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List of volcanoes in the United States facts for kids

Kids Encyclopedia Facts

This article contains a list of volcanoes in the United States and its territories.

Alaska

Name Elevation Location Last eruption
meters feet Coordinates
Mount Adagdak 645 2115 51°59′16″N 176°35′30″W / 51.98778°N 176.59167°W / 51.98778; -176.59167 (Mount Adagdak) 210,000 ± 5,000 years ago
Mount Akutan 1303 4275 54°8′4″N 165°59′10″W / 54.13444°N 165.98611°W / 54.13444; -165.98611 (Mount Akutan) 1996
Alagogshak 1675 5495 59°09′26″N 155°23′54″W / 59.15722°N 155.39833°W / 59.15722; -155.39833 (Alagogshak) 43,000 ± 8,000 years ago
Amak Volcano 488 1601 55°25′26″N 163°8′57″W / 55.42389°N 163.14917°W / 55.42389; -163.14917 (Mount Amak) 1796
Mount Amukta 1066 3497 52°30′0″N 171°15′8″W / 52.50000°N 171.25222°W / 52.50000; -171.25222 (Mount Amukta) 1997
Mount Aniakchak 1341 4400 56°53′0″N 158°10′0″W / 56.88333°N 158.16667°W / 56.88333; -158.16667 (Mount Aniakchak) 1931
Mount Augustine 1252 4108 59°21′48″N 153°26′0″W / 59.36333°N 153.43333°W / 59.36333; -153.43333 (Mount Augustine) 2005
Black Peak 1032 3385 56°33′11″N 158°47′12″W / 56.55306°N 158.78667°W / 56.55306; -158.78667 (Black Peak) 1900 BCE ± 150 years
Bogoslof Island 150 492 53°56′0″N 168°2′0″W / 53.93333°N 168.03333°W / 53.93333; -168.03333 (Bogoslof Island) 2017
Buldir Volcano 656 2152 52°21′0″N 175°54′38″W / 52.35000°N 175.91056°W / 52.35000; -175.91056 (Mount Buldir) Holocene
Mount Bona 5005 16,421 61°23′6″N 141°45′3″W / 61.38500°N 141.75083°W / 61.38500; -141.75083 (Mount Bona) 847
Mount Blackburn 4996 16,390 61°43′54″N 143°25′59″W / 61.73167°N 143.43306°W / 61.73167; -143.43306 3.4 million years ago
Buzzard Creek 830 2723 64°3′40″N 148°24′55″W / 64.06111°N 148.41528°W / 64.06111; -148.41528 (Buzzard Creek) 1050 BC
Capital Mountain 2356 7728 62°26′N 144°06′W / 62.43°N 144.10°W / 62.43; -144.10 (Capital) 1.02 million years ago
Mount Carlisle 1620 5315 52°53′38″N 170°3′15″W / 52.89389°N 170.05417°W / 52.89389; -170.05417 (Mount Carlisle) 1987
Chagulak Island 1142 3747 52°34′36″N 171°8′0″W / 52.57667°N 171.13333°W / 52.57667; -171.13333 (Mount Chagulak) Unknown
Mount Chiginagak 2221 7287 57°8′6″N 156°59′24″W / 57.13500°N 156.99000°W / 57.13500; -156.99000 (Mount Chiginagak) 1998
Mount Cleveland 1730 5676 52°49′30″N 169°56′38″W / 52.82500°N 169.94389°W / 52.82500; -169.94389 (Mount Cleveland) 2020
Mount Dana 1354 4442 55°38′28″N 161°12′50″W / 55.64111°N 161.21389°W / 55.64111; -161.21389 (Mount Dana) 1890 BC
Davidof Volcano 328 1076 51°57′15″N 178°19′34″E / 51.9542°N 178.326°E / 51.9542; 178.326 (Davidof Volcano) Probably Holocene
Mount Denison 2318 7606 58°25′4″N 154°26′57″W / 58.41778°N 154.44917°W / 58.41778; -154.44917 (Mount Denison) Probably Holocene
Devils Desk 1954 6409 58°30′N 154°18′W / 58.5°N 154.3°W / 58.5; -154.3 (Devils Desk) 245,000 years ago
Double glacier volcano 1239 4065 60°41′N 152°37′W / 60.68°N 152.62°W / 60.68; -152.62 (Double Glacier) Pleistocene
Mount Douglas 2140 7021 58°51′19″N 153°32′31″W / 58.85528°N 153.54194°W / 58.85528; -153.54194 (Mount Douglas) Probably Holocene
Mount Dutton 1506 4941 55°10′5″N 162°16′18″W / 55.16806°N 162.27167°W / 55.16806; -162.27167 (Mount Dutton) Holocene
Mount Edgecumbe 970 3132 57°3′0″N 135°45′0″W / 57.05000°N 135.75000°W / 57.05000; -135.75000 (Mount Edgecumbe) 2220 BC ± 100 years
Mount Emmons 1436 4711 55°20′26″N 164°4′43″W / 55.34056°N 164.07861°W / 55.34056; -164.07861 (Mount Emmons) More than 10,000 years ago
Espenberg 66°21′N 164°20′W / 66.35°N 164.33°W / 66.35; -164.33 (Espenberg) 17,500 years BP
Mount Fisher 1112 3648 54°39′0″N 164°26′0″W / 54.65000°N 164.43333°W / 54.65000; -164.43333 (Mount Fisher) 1830
Fourpeaked 2105 6906 58°46′12″N 153°40′20″W / 58.77000°N 153.67222°W / 58.77000; -153.67222 (Fourpeaked) 2006
Frosty Peak Volcano 1920 6299 55°04′55″N 162°53′38″W / 55.082°N 162.894°W / 55.082; -162.894 (Cold Bay Volcano) Late Pleistocene or later
Gareloi Volcano 1573 5161 51°47′25″N 178°47′38″W / 51.79028°N 178.79389°W / 51.79028; -178.79389 (Mount Gareloi) 1989
Mount Gilbert 818 2684 54°15′08″N 165°39′43″W / 54.2521°N 165.662°W / 54.2521; -165.662 (Mount Gilbert) Unknown, fumaroles until 1948
Great Sitkin 1740 5709 52°4′34″N 176°7′48″W / 52.07611°N 176.13000°W / 52.07611; -176.13000 (Great Sitkin) Ongoing
Mount Gordon 2755 9039 62°8′0″N 143°5′0″W / 62.13333°N 143.08333°W / 62.13333; -143.08333 (Mount Gordon) Holocene
Mount Griggs 2317 7602 58°21′14″N 155°5′30″W / 58.35389°N 155.09167°W / 58.35389; -155.09167 (Mount Griggs) 1790 BC ± 40 years
Hayes Volcano 3034 9954 61°38′25″N 152°24′41″W / 61.64028°N 152.41139°W / 61.64028; -152.41139 (Hayes Volcano) 1200 ± 300 years
Mount Herbert 1280 4199 52°44′32″N 170°6′38″W / 52.74222°N 170.11056°W / 52.74222; -170.11056 (Mount Herbert) Unknown
Mount Iliamna 3053 10,016 60°1′55″N 153°5′25″W / 60.03194°N 153.09028°W / 60.03194; -153.09028 (Mount Iliamna) 1876
Imuruk Lake 610 2001 65°36′0″N 163°55′0″W / 65.60000°N 163.91667°W / 65.60000; -163.91667 (Imuruk Lake) 300
Ingakslugwat Hills 190 623 61°26′0″N 164°28′0″W / 61.43333°N 164.46667°W / 61.43333; -164.46667 (Ingakslugwat Hills) Holocene
Isanotski Peaks 2446 8025 54°45′54″N 163°43′21″W / 54.76500°N 163.72250°W / 54.76500; -163.72250 (Mount Isanotski) Unknown
Kagamil Island 893 2930 52°58′25″N 169°43′0″W / 52.97361°N 169.71667°W / 52.97361; -169.71667 (Mount Kagamil) 1929
Mount Kaguyak 901 2956 58°36′30″N 154°1′40″W / 58.60833°N 154.02778°W / 58.60833; -154.02778 (Mount Kaguyak) 1650 BC
Mount Kanaga 1307 4288 51°55′22″N 177°10′4″W / 51.92278°N 177.16778°W / 51.92278; -177.16778 (Mount Kanaga) 2012
Kasatochi Island 314 1030 52°10′39″N 175°30′30″W / 52.17750°N 175.50833°W / 52.17750; -175.50833 (Kasatochi Island) 2008
Mount Katmai 2047 6716 58°16′47″N 154°57′48″W / 58.27972°N 154.96333°W / 58.27972; -154.96333 (Mount Katmai) 1912
Kejulik Volcano 1517 4977 58°01′33″N 155°39′17″W / 58.02583°N 155.65472°W / 58.02583; -155.65472 (Kejulik Volcano) Unknown
Mount Kialagvik 1575 5167 57°12′10″N 156°44′43″W / 57.20278°N 156.74528°W / 57.20278; -156.74528 (Mount Kialagvik) Holocene
Kiska Volcano 1220 4003 52°06′11″N 177°36′13″E / 52.1031°N 177.6035°E / 52.1031; 177.6035 (Mount Kiska) 1990
Koniuji Island 273 896 52°13′0″N 175°8′0″W / 52.21667°N 175.13333°W / 52.21667; -175.13333 (Mount Koniuji) 1150 BC
Korovin Volcano 1533 5029 52°22′54″N 174°9′57″W / 52.38167°N 174.16583°W / 52.38167; -174.16583 (Korovin Volcano) 2007
Mount Kukak 2043 6703 58°27′10″N 154°21′18″W / 58.45278°N 154.35500°W / 58.45278; -154.35500 (Mount Kukak) Holocene
Mount Kupreanof 1895 6217 56°0′40″N 159°47′50″W / 56.01111°N 159.79722°W / 56.01111; -159.79722 (Mount Kupreanof) 1987
Kookooligit Mountains 673 2208 63°36′0″N 170°26′0″W / 63.60000°N 170.43333°W / 63.60000; -170.43333 (Kookooligit Mountains) Holocene
Little Sitkin 1174 3852 51°57′0″N 178°32′35″W / 51.95000°N 178.54306°W / 51.95000; -178.54306 (Little Sitkin) 1830
Mount Mageik 2165 7103 58°11′41″N 155°15′10″W / 58.19472°N 155.25278°W / 58.19472; -155.25278 (Mount Mageik) 500 BC ± 50 years
Mount Makushin 1800 5905 53°53′27″N 165°55′22″W / 53.89083°N 165.92278°W / 53.89083; -165.92278 (Mount Makushin) 1995
Mount Martin 1863 6112 58°10′20″N 155°21′40″W / 58.17222°N 155.36111°W / 58.17222; -155.36111 (Mount Martin) 1953
Mount Moffett 1196 3924 51°56′38″N 176°44′48″W / 51.94389°N 176.74667°W / 51.94389; -176.74667 (Monte Moffett) 1600 BC
Novarupta 841 2759 58°16′0″N 155°9′24″W / 58.26667°N 155.15667°W / 58.26667; -155.15667 (Novarupta) 1912
Nunivak Island 511 1676 60°1′0″N 166°20′0″W / 60.01667°N 166.33333°W / 60.01667; -166.33333 (Nunivak Island) 300,000 years ago
Mount Okmok 1073 3520 53°26′0″N 168°8′0″W / 53.43333°N 168.13333°W / 53.43333; -168.13333 (Mount Okmok) 2008
St. Michael volcanic field 715 2346 63°27′0″N 162°7′0″W / 63.45000°N 162.11667°W / 63.45000; -162.11667 (Saint Michael (volcano)) More recent than 500 BC
Saint Paul Island 203 666 57°11′0″N 170°18′0″W / 57.18333°N 170.30000°W / 57.18333; -170.30000 (Saint Paul Island) 1280 BC ± 40 years
Mount Pavlof 2519 8264 55°25′0″N 161°53′15″W / 55.41667°N 161.88750°W / 55.41667; -161.88750 (Mount Pavlof) 2022
Pavlof Sister 2142 7027 55°27′10″N 161°50′35″W / 55.45278°N 161.84306°W / 55.45278; -161.84306 (Pavlof Sister) 1786
Pogromni 2002 6569 54°34′N 164°51′W / 54.57°N 164.85°W / 54.57; -164.85 (Pogromni) Late Pleistocene
Pyre Peak 1054 3458 52°18′55″N 172°35′30″W / 52.31528°N 172.59167°W / 52.31528; -172.59167 (Mount Seguam) 1993
Mount Recheschnoi 1984 6509 53°9′24″N 168°32′20″W / 53.15667°N 168.53889°W / 53.15667; -168.53889 (Mount Recheschnoi) 3,000 years ago
Mount Redoubt 3108 10,197 60°29′7″N 152°44′31″W / 60.48528°N 152.74194°W / 60.48528; -152.74194 (Mount Redoubt) 2009
Roundtop Mountain 1871 6138 54°48′0″N 163°35′20″W / 54.80000°N 163.58889°W / 54.80000; -163.58889 (Mount Roundtop) 9,100-10,000 years ago
Mount Sanford 4949 16,237 62°13′0″N 144°8′0″W / 62.21667°N 144.13333°W / 62.21667; -144.13333 (Mount Sanford) 320,000 years ago
Mount Segula 1160 3806 52°0′55″N 178°8′8″W / 52.01528°N 178.13556°W / 52.01528; -178.13556 (Mount Segula) A few hundred years ago
Semisopochnoi Island 1221 4006 51°56′0″N 179°35′0″W / 51.93333°N 179.58333°W / 51.93333; -179.58333 (Mount Semisopochnoi) 2023
Mount Sergief 560 1837 52°2′0″N 174°56′0″W / 52.03333°N 174.93333°W / 52.03333; -174.93333 (Mount Sergief) Pleistocene
Mount Shishaldin 2857 9373 54°45′20″N 163°58′0″W / 54.75556°N 163.96667°W / 54.75556; -163.96667 (Mount Shishaldin) Ongoing
Snowy Mountain 2162 7093 58°20′8″N 154°40′55″W / 58.33556°N 154.68194°W / 58.33556; -154.68194 (Snowy Mountain) 1710 ± 200 years
Mount Spurr 3374 11,069 61°17′58″N 152°15′4″W / 61.29944°N 152.25111°W / 61.29944; -152.25111 (Mount Spurr) 1992
St. Michael volcanic field 715 2346 63°27′0″N 162°7′0″W / 63.45000°N 162.11667°W / 63.45000; -162.11667 (St. Michael) Within 3,000 years
St. Paul Island 203 666 57°11′0″N 170°18′0″W / 57.18333°N 170.30000°W / 57.18333; -170.30000 (St. Paul Island) 1280 BC ± 40 years
Mount Steller 2272 7454 58°26′0″N 154°24′0″W / 58.43333°N 154.40000°W / 58.43333; -154.40000 (Mount Steller) Probably Holocene
Stepovak Bay 3 1555 5102 55°56′0″N 160°0′0″W / 55.93333°N 160.00000°W / 55.93333; -160.00000 (Mount Stepovak) Probably Pleiocene
Table Top-Wide Bay 792 2598 53°58′5″N 166°40′38″W / 53.96806°N 166.67722°W / 53.96806; -166.67722 (Table Top-Wide Bay) Holocene
Mount Takawangha 1449 4754 51°52′22″N 178°0′20″W / 51.87278°N 178.00556°W / 51.87278; -178.00556 (Mount Takawangha) Last few hundred years
Tana (volcano) 1170 3839 52°49′48″N 169°16′12″W / 52.83000°N 169.27000°W / 52.83000; -169.27000 (Tana (volcano)) Mid-late Holocene
Mount Tanaga 1806 5925 51°53′6″N 178°8′45″W / 51.88500°N 178.14583°W / 51.88500; -178.14583 (Mount Tanaga) 1914
Tlevak Strait-Suemez Island 50 164 55°15′0″N 133°18′0″W / 55.25000°N 133.30000°W / 55.25000; -133.30000 (Tlevak Strait-Suemez Island) Holocene/Post-glacial
Trident Volcano 1864 6115 58°14′8″N 155°6′0″W / 58.23556°N 155.10000°W / 58.23556; -155.10000 (Trident Volcano) 1975
Ugashik-Peulik 1474 4836 57°45′3″N 156°22′5″W / 57.75083°N 156.36806°W / 57.75083; -156.36806 (Ugashik-Peulik) 1814
Ukinrek maars 91 299 57°49′54″N 156°30′35″W / 57.83167°N 156.50972°W / 57.83167; -156.50972 (Ukinrek maars) 1977
Uliaga Island 888 2913 53°3′54″N 169°46′0″W / 53.06500°N 169.76667°W / 53.06500; -169.76667 (Mount Uliaga) Holocene
Mount Veniaminof 2507 8225 56°10′0″N 159°23′0″W / 56.16667°N 159.38333°W / 56.16667; -159.38333 (Mount Veniaminof) 2021
Mount Vsevidof 2149 7050 53°7′48″N 168°41′35″W / 53.13000°N 168.69306°W / 53.13000; -168.69306 (Mount Vsevidof) 1957
Mount Westdahl 1654 5426 54°31′6″N 164°39′0″W / 54.51833°N 164.65000°W / 54.51833; -164.65000 (Mount Westdahl) 1992
Yantarni Volcano 1345 4413 57°1′17″N 157°11′6″W / 57.02139°N 157.18500°W / 57.02139; -157.18500 (Yantarni Volcano) 800 BC ± 500 years
Yunaska Island 550 1804 52°38′34″N 170°37′43″W / 52.64278°N 170.62861°W / 52.64278; -170.62861 (Mount Yunaska) 1937
Prindle Volcano - - 63°43′N 141°37′W / 63.72°N 141.62°W / 63.72; -141.62 (Prindle Volcano) Pleistocene
Mount Churchill 4766 15,632 61°15′N 141°42′W / 61.25°N 141.7°W / 61.25; -141.7 (Mount Churchill) 700 ± 200 years
Mount Drum 3661 12,010 62°06′N 144°30′W / 62.1°N 144.5°W / 62.1; -144.5 (Mount Drum) About 250,000 years ago
Mount Jarvis 4091 13,422 62°1′4″N 143°37′2″W / 62.01778°N 143.61722°W / 62.01778; -143.61722 (Mount Jarvis) 1 million years ago
Mount Wrangell 4317 14,163 62°00′N 144°01′W / 62.00°N 144.02°W / 62.00; -144.02 (Mount Wrangell) 1999

American Samoa

Name Elevation Location Last eruption
meters feet Coordinates
Malumalu Last 8,000 years
Ta‘u- 931 3054 14°13′48″S 169°27′14″W / 14.23°S 169.454°W / -14.23; -169.454 (Ta‘u-) 30,000 years ago
Ofu-Olosega 639 2096 14°10′30″S 169°37′05″W / 14.175°S 169.618°W / -14.175; -169.618 (Ofu-Olosega) 1866 unnamed submarine cone eruption
Tutuila 653 2142 14°17′42″S 170°42′00″W / 14.295°S 170.70°W / -14.295; -170.70 (Tutuila) 440 CE
Vailulu'u -592 -1842 14°17′42″S 170°42′00″W / 14.295°S 170.70°W / -14.295; -170.70 (Vailulu'u) 2003 west of unnamed submarine caldera and nafauna

Arizona

Name Elevation Location Last eruption
meters feet Coordinates
Arlington Cone - - 33°20′55.6″N 112°44′54.2″W / 33.348778°N 112.748389°W / 33.348778; -112.748389 -
Black Bottom Crater - - 35°23′54.02″N 111°23′42.55″W / 35.3983389°N 111.3951528°W / 35.3983389; -111.3951528 -
Colton Crater 2,246 7,368 35°32′42″N 111°38′13.2″W / 35.54500°N 111.637000°W / 35.54500; -111.637000 (Colton Crater) 1075 AD Sunset Crater and Unnamed Fissure vents
Double Crater 2,426 7,959 35°20′34.03″N 111°26′51.55″W / 35.3427861°N 111.4476528°W / 35.3427861; -111.4476528 (Double Crater) Pleistocene
Lenox Crater - - 35°21′35.999″N 111°31′47.62″W / 35.35999972°N 111.5298944°W / 35.35999972; -111.5298944 (Lenox Crater) -
Maroon Crater - - 35°26′32.02″N 111°28′12.56″W / 35.4422278°N 111.4701556°W / 35.4422278; -111.4701556 (Maroon Crater) -
Merriam Cone 2,077 6,813 35°18′N 111°18′W / 35.300°N 111.300°W / 35.300; -111.300 (Merriam Cone) 150,000 years ago
Mount Baldy 3,480 11,420 33°54′22″N 109°33′46″W / 33.90611°N 109.56278°W / 33.90611; -109.56278 8-9 million years ago
Mount Elden 2,834 9,299 35°14′28″N 111°35′48″W / 35.24111°N 111.59667°W / 35.24111; -111.59667 (Mount Elden) 250,000 years ago
Red Mountain 2428 7965 35°31′23″N 111°52′32″W / 35.52306°N 111.87556°W / 35.52306; -111.87556 740,000 years ago
Roden Crater - - 35°25′37.02″N 111°15′27.76″W / 35.4269500°N 111.2577111°W / 35.4269500; -111.2577111 400,000 years ago
San Francisco Peaks 3851 12,633 35°20′47″N 111°40′40″W / 35.34639°N 111.67778°W / 35.34639; -111.67778 (San Francisco Mountain) 92,000 years ago
San Francisco volcanic field - - 35°21′51″N 111°30′11″W / 35.36417°N 111.50306°W / 35.36417; -111.50306 (San Francisco volcanic field) 1075 AD ± 25 years
SP Crater 2141 7021 35°34′56″N 111°37′55″W / 35.58222°N 111.63194°W / 35.58222; -111.63194 (SP Crater) 5,500 years ago
Stewart Crater - - 35°21′39.6″N 111°24′14.4″W / 35.361000°N 111.404000°W / 35.361000; -111.404000 (Stewart Crater) -
Strawberry Crater 1,989 6,526 35°26′32.02″N 111°28′12.6″W / 35.4422278°N 111.470167°W / 35.4422278; -111.470167 (Double Strawberry Crater) Late Pleistocene
Sunset Crater (San Francisco volcanic field) 2447 8026 35°21′51″N 111°30′11″W / 35.36417°N 111.50306°W / 35.36417; -111.50306 (Sunset Crater) 1075 AD ± 25 years
Uinkaret volcanic field - - 36°13′7.93″N 113°4′38.74″W / 36.2188694°N 113.0774278°W / 36.2188694; -113.0774278 (Uinkaret volcanic field) 1100 AD ± 75 years Little Springs Pyroclastic Cone

California

Name Elevation Location Last eruption
meters feet Coordinates
Amboy Crater -

300

 -

984

 -

34°32′38″N 115°47′28″W / 34.54389°N 115.79111°W / 34.54389; -115.79111 (Amboy Crater)

 23 million years ago 79,000 ± 5,000 years ago
Big Cave 1259 4131 40°57′18″N 121°21′54″W / 40.955°N 121.365°W / 40.955; -121.365 (Big Cave) 38,000 ± 7,000 years ago
Big Pine volcanic field 37°00′N 118°15′W / 37.000°N 118.250°W / 37.000; -118.250 (Big Pine volcanic field) 17,000 years ago
Black Butte 1939 6362 41°22′01″N 121°20′53″W / 41.367°N 121.348°W / 41.367; -121.348 (Black Butte) 9,500 years ago
Brushy Butte 1174 3852 41°10′41″N 121°26′35″W / 41.178°N 121.443°W / 41.178; -121.443 (Brushy Butte) 12,000 years ago
Burney Mountain 2397 7863 40°49′N 121°38′W / 40.81°N 121.63°W / 40.81; -121.63 (Burney Mountain) 280,000 ± 6,000 years ago
Cima volcanic field 1509 6925 35°15′N 115°45′W / 35.25°N 115.75°W / 35.25; -115.75 (Cima Volcanic Field) 15,000 ± 5,000 years ago
Cinder Cone and the Fantastic Lava Beds 2105 6907 40°33′N 121°19′W / 40.55°N 121.32°W / 40.55; -121.32 1666
Inyo Craters 2629 8625 37°41′31″N 119°01′12″W / 37.692°N 119.02°W / 37.692; -119.02 (Inyo Craters) 1380 CE ± 50 years
Mount Konocti (Clear Lake Volcanic Field) 1312 4305 38°58′N 122°46′W / 38.97°N 122.77°W / 38.97; -122.77 (California Coast Range) 11,000 years ago
Lassen Peak 3189 10,462 40°29′17″N 121°30′18″W / 40.48806°N 121.50500°W / 40.48806; -121.50500 (Lassen Peak) 1917
Lassen Volcanic Center - - 40°29′30″N 121°30′30″W / 40.49167°N 121.50833°W / 40.49167; -121.50833 (Lassen Volcanic Center) 1917
Long Valley Caldera 3390 11,122 37°36′N 118°48′W / 37.6°N 118.8°W / 37.6; -118.8 (Long Valley Caldera) 50,000 years ago
Malapai Hill 1304 4278 33°54′N 116°00′W / 33.9°N 116.0°W / 33.9; -116.0 (Malapi Hill) 15.93 ± 0.08 million years ago
Mammoth Mountain 3371 11,059 37°38′N 119°02′W / 37.63°N 119.03°W / 37.63; -119.03 (Mammoth Mountain) 1260 AD ± 40 years
Medicine Lake Volcano 2412 7913 41°22′N 121°20′W / 41.36°N 121.33°W / 41.36; -121.33 (Medicine Lake Volcano) 1060 AD
Mono Craters 2,796 9,173 37°53′N 119°00′W / 37.88°N 119.00°W / 37.88; -119.00 (Mono Craters) 1350 AD ± 20 years
Pinnacles - - 36°29′13″N 121°10′01″W / 36.487°N 121.167°W / 36.487; -121.167 (Pinnacles) 23 million years ago
Pipkin 34°41′12″N 116°37′12″W / 34.68667°N 116.62000°W / 34.68667; -116.62000 770,000 ± 40,000 years ago
Pisgah Crater 774 2,539 34°44′47″N 116°22′30″W / 34.74639°N 116.37500°W / 34.74639; -116.37500 (Pisgah Crater) 18,000 ± 5,000 years ago
Red Cones 2,748 9,015 37°35′N 119°03′W / 37.58°N 119.05°W / 37.58; -119.05 (Red Cones) 8,500 years ago
Round Top 538 1,764 37°51′N 122°11′W / 37.85°N 122.19°W / 37.85; -122.19 (Round Top) 10 Million Years Ago
Mount Saint Helena 1,323 4,342 38°40′N 122°38′W / 38.67°N 122.63°W / 38.67; -122.63 (Clear Lake Volcanic Field) 3.4 million years ago
Mount Shasta 4,317 14,162 41°24′32″N 122°11′35″W / 41.409°N 122.193°W / 41.409; -122.193 (Mount Shasta) 1250
Sutter Buttes 650 2,130 39°12′20.61″N 121°49′12.9″W / 39.2057250°N 121.820250°W / 39.2057250; -121.820250 (Sutter Buttes) 1.5 million years ago
Tumble Buttes 2,191 7,188 40°41′N 121°33′W / 40.68°N 121.55°W / 40.68; -121.55 (Tumble Buttes) 10,000 – 15,000 years ago
Twin Buttes 1631 5351 40°47′N 121°36′W / 40.78°N 121.60°W / 40.78; -121.60 (Twin Buttes) 10,000 to 15,000 years ago
Ubehebe Craters 752 2467 37°01′N 117°27′W / 37.02°N 117.45°W / 37.02; -117.45 (Ubehebe Craters) 150 BC

Colorado

Name Elevation Location Last eruption
meters feet Coordinates
Dotsero 2,230 7,316 39°39′40″N 107°03′22″W / 39.661°N 107.056°W / 39.661; -107.056 (Dotsero) 2200 BC ± 300 years
La Garita Caldera 4,274 14,022 37°43′36″N 106°46′28″W / 37.72667°N 106.77444°W / 37.72667; -106.77444 (La Garita Caldera) 26.3 Ma
Never Summer Mountains 3,946 12,945 40°28′10″N 105°53′42″W / 40.46944°N 105.89500°W / 40.46944; -105.89500 (Never Summer Mountains) 24 to 29 million years ago
Summer Coon - - 37°46′51″N 106°22′09″W / 37.78083°N 106.36917°W / 37.78083; -106.36917 (Summer Coon) 24 to 34 million years ago

Hawaii

Further information: Evolution of Hawaiian volcanoes and List of volcanoes in the Hawaiian – Emperor seamount chain
Name Elevation Location Last eruption
meters feet Coordinates
Diamond Head 232 761 21°15′35″N 157°48′42″W / 21.25972°N 157.81167°W / 21.25972; -157.81167 (Diamond Head) 400,000 to 500,000 years ago
Haleakalā or East Maui Volcano 3055 10,023 20°43′N 156°15′W / 20.71°N 156.25°W / 20.71; -156.25 (Haleakala) 1750
Hanauma Bay (Koko Head) 196 642 21°16′17″N 157°41′40″W / 21.27139°N 157.69444°W / 21.27139; -157.69444 (Hanauma Bay) 10,000 - 32,000 years ago
Hualalai 2521 8270 19°41′N 155°52′W / 19.69°N 155.87°W / 19.69; -155.87 (Hualalai) 1801
Kaʻau Crater 462 1,516 21°19′43″N 157°46′21″W / 21.32861°N 157.77250°W / 21.32861; -157.77250 35000 or 76000 years ago.
Kaʻena Point - - 21°34′31″N 158°16′57″W / 21.57528°N 158.28250°W / 21.57528; -158.28250 Pleistocene Epoch
Kahoolawe 450 1475 20°36′N 156°36′W / 20.6°N 156.6°W / 20.6; -156.6 (Kahoolawe) 1 million years ago
Kauhakō Crater 150 490 21°11′16″N 156°57′58″W / 21.18778°N 156.96611°W / 21.18778; -156.96611 230,000-300,000 years ago
Kawaikini 1,598 5,243 22°03′24″N 159°29′48″W / 22.05667°N 159.49667°W / 22.05667; -159.49667 4 million years ago
Kilauea 1247 4091 19°27′07″N 155°17′31″W / 19.452°N 155.292°W / 19.452; -155.292 (Kilauea) 2023
Kohala (mountain) 1670 5480 20°5′10″N 155°43′2″W / 20.08611°N 155.71722°W / 20.08611; -155.71722 (Kohala (mountain)) 120,000 years ago
Koko Guyot - - 35°15′N 171°35′E / 35.250°N 171.583°E / 35.250; 171.583 50 million years ago
Koko Crater 368 1207 21°15′42″N 157°42′11″W / 21.261585°N 157.702949°W / 21.261585; -157.702949 (Koko Head) 10,000 years ago
Koʻolau Range 941 3149 21°22′N 157°48′W / 21.37°N 157.80°W / 21.37; -157.80 (Koolau) 40,000 years ago
Lanai 1,026 3,366 20°50′N 156°56′W / 20.833°N 156.933°W / 20.833; -156.933 1.2 million years ago
Kamaʻehuakanaloa Seamount (Loihi) -975 -3199 18°55′N 155°15′W / 18.92°N 155.25°W / 18.92; -155.25 (Loihi Seamount) 1996
Māhukona - - 20°06′N 156°06′W / 20.1°N 156.1°W / 20.1; -156.1 (Mahukona) About 470,000 years ago
Mauna Kea 4208 13,796 19°48′N 155°30′W / 19.8°N 155.5°W / 19.8; -155.5 (Mauna Kea) 2460 BC ± 100 years
Mauna Loa 4169 13,679 19°30′N 155°36′W / 19.5°N 155.6°W / 19.5; -155.6 (Mauna Loa) 2022
Mount Waialeale 1,544 5,066 22°04′26″N 159°29′55″W / 22.07389°N 159.49861°W / 22.07389; -159.49861 -
Puʻu Hawaiʻiloa 103 337 21°26′53″N 157°45′24″W / 21.44806°N 157.75667°W / 21.44806; -157.75667 -
Punchbowl Crater - - 21°18′45″N 157°50′46″W / 21.31250°N 157.84611°W / 21.31250; -157.84611 400,000 to 500,000 years ago
Ulupaʻu Crater 201 659 21°27′16″N 157°43′54″W / 21.45444°N 157.73167°W / 21.45444; -157.73167 -
Waianae Range 1342 4,025 21°30′25″N 158°08′34″W / 21.50694°N 158.14278°W / 21.50694; -158.14278 2.6 million years ago
West Maui Volcano 1,764 5,788 20°53′37″N 156°35′22″W / 20.89361°N 156.58944°W / 20.89361; -156.58944 320,000 years ago

Idaho

Name Elevation Location Last eruption
meters feet Coordinates
Big Southern Butte 2298 7540 43°14′N 113°01′W / 43.24°N 113.01°W / 43.24; -113.01 (Big Southern Butte) 300,000 years ago
Blue Creek - - - -
Craters of the Moon 2005 6578 43°25′N 113°30′W / 43.42°N 113.50°W / 43.42; -113.50 (Craters of the Moon) 130 BC ± 50 years
Yellowstone Plateau volcanic field 2805 9203 44°28′16″N 110°30′07″W / 44.471031°N 110.501862°W / 44.471031; -110.501862 (Yellowstone Plateau) 70,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal)
Juniper Buttes 1905 6250 44°12′N 111°32′W / 44.20°N 111.53°W / 44.20; -111.53 (Juniper Buttes) -
Menan Buttes 1713 5619 43°36′N 111°30′W / 43.60°N 111.5°W / 43.60; -111.5 (Menan Buttes) 10,000 years ago
Split Butte - - 44°15′N 111°44′W / 44.25°N 111.73°W / 44.25; -111.73 -
The Great Rift - - 43°27′42″N 113°33′46″W / 43.46167°N 113.56278°W / 43.46167; -113.56278 -
Shoshone volcano - - - -

Illinois

Name Elevation Location Last eruption
meters feet Coordinates
Hicks Dome 203 666 37°32′N 88°22′W / 37.53°N 88.37°W / 37.53; -88.37 400-345 million years ago

Louisiana

Name Elevation Location Last eruption
meters feet Coordinates
Door Point Volcano -2200 -7200 - 74-90 million years ago

Michigan

Name Elevation Location Last eruption
meters feet Coordinates
Porcupine Mountains Central-Volcano 595 1,958 46°46′52″N 89°40′51″W / 46.78111°N 89.68083°W / 46.78111; -89.68083 1.093 billion years ago

Mississippi

Name Elevation Location Last eruption
meters feet Coordinates
Jackson Volcano -880 (from surface) -2900 32°18′0″N 90°10′19″W / 32.30000°N 90.17194°W / 32.30000; -90.17194 (Jackson Volcano) 65 million years ago
Midnight Volcano -1110 (from surface) -3641 33°02′57″N 90°34′25″W / 33.04904°N 90.573494°W / 33.04904; -90.573494 66 million years ago

Missouri

Name Elevation Location Last eruption
meters feet Coordinates
Taum Sauk Caldera 540 1772 37°31′44″N 90°47′10″W / 37.5288°N 90.7862°W / 37.5288; -90.7862 (Taum Sauk Caldera) 1.485 billion years ago

Nevada

Name Elevation Location Last eruption
meters feet Coordinates
Cottonwood Caldera - - - 15.70 million years ago
Crater Flat (Southwest Nevada Volcanic Field) - - 36°47′N 116°34′W / 36.783°N 116.567°W / 36.783; -116.567 (Crater Flat) 80,000 years ago
Indian Peak-Caliente Caldera Complex - - 38°00′00″N 114°00′00″W / 38.000°N 114.000°W / 38.000; -114.000 (Indian Peak-Caliente Caldera Complex) 18 million years ago
Jessup area - - 39°56′N 118°52′W / 39.933°N 118.867°W / 39.933; -118.867 Jurassic
Lunar Crater volcanic field - - 38°N 116°W / 38°N 116°W / 38; -116 (Lunar Crater volcanic field) 38,100 ± 10,000 years ago
McDermitt Caldera 2078 6816 42°00′05″N 117°59′48″W / 42.00139°N 117.99667°W / 42.00139; -117.99667 (McDermitt Caldera) 16.39 ± 0.02 million years ago
Steamboat Springs 1415 4642 39°22′30″N 119°43′12″W / 39.375°N 119.72°W / 39.375; -119.72 (Steamboat Springs) 1.14 million years ago
Soda Lakes 1251 4104 39°53′N 119°27′W / 39.883°N 119.450°W / 39.883; -119.450 (Soda Lakes) Holocene
Virgin Valley Caldera - - - 16.38 million years ago
Yucca Mountain 2044 6707 36°56′N 116°29′W / 36.933°N 116.483°W / 36.933; -116.483 (Yucca Mountain) 80,000 years ago

New Hampshire

Name Elevation Location Last eruption
meters feet Coordinates
Pawtuckaway Mountains - - 43°06′39″N 71°11′11″W / 43.11083°N 71.18639°W / 43.11083; -71.18639 (Pawtuckaway Mountains) Cretaceous
Ossipee Mountains - - 43°44′37″N 71°16′26″W / 43.74361°N 71.27389°W / 43.74361; -71.27389 (Ossipee Mountains) Cretaceous

New Jersey

Name Elevation Location Last eruption
meters feet Coordinates
Rutan Hill 310 1,020 41°14′43″N 74°40′35″W / 41.24528°N 74.67639°W / 41.24528; -74.67639 Ordovician

New Mexico

Name Elevation Location Last eruption
meters feet Coordinates
Albuquerque volcanic field 1,840 6,030 35°8′29″N 106°46′19″W / 35.14139°N 106.77194°W / 35.14139; -106.77194 70,000-170,000 years ago
Capulin Volcano 2,494 8,182 36°47′20″N 103°57′42″W / 36.78889°N 103.96167°W / 36.78889; -103.96167 (Capulin Volcano) 58,000–52,000 years ago
Carrizozo Malpais 1,731 5,679 33°47′N 105°56′W / 33.78°N 105.93°W / 33.78; -105.93 (Carrizozo Malpais) 3,250 BC ± 500 years ago
Cerros del Rio 664 2,178 35°42′N 106°12′W / 35.7°N 106.2°W / 35.7; -106.2 (Cerros del Rio) 2.2 million years ago
Jemez Mountains 3,525 - 35°53′N 106°32′W / 35.88°N 106.53°W / 35.88; -106.53 (Jemez Mountains) 60,000-50,000 years ago
Jornada del Muerto Volcano 1,565 5,136 33°32′N 106°52′W / 33.533°N 106.867°W / 33.533; -106.867 (Jornada del Muerto Volcano) 760,000 years ago
Kilbourne Hole 1,555 4,240 31°58′N 106°58′W / 31.97°N 106.97°W / 31.97; -106.97 (Kilbourne Hole) 80,000 years ago
Mount Taylor 2,445 11,300 35°14′19″N 107°36′30″W / 35.23861°N 107.60833°W / 35.23861; -107.60833 (Mount Taylor) 1,500,000 years ago
Shiprock 2,188 7,177 36°41′15″N 108°50′10″W / 36.68750°N 108.83611°W / 36.68750; -108.83611 27 million years ago
Sierra Blanca 3,652 11,981 33°22′27″N 105°48′31″W / 33.37417°N 105.80861°W / 33.37417; -105.80861 (Sierra Blanca) 26 million years ago
Valles Caldera 3,430 11,253 35°52′N 106°34′W / 35.87°N 106.57°W / 35.87; -106.57 (Valles Caldera) 50,000 to 60,000 years ago
Zuni-Bandera volcanic field 2,550 8,366 34°48′N 108°00′W / 34.800°N 108.000°W / 34.800; -108.000 1,170 BC ± 300 years

North Carolina

Name Elevation Location Last eruption
meters feet Coordinates
Hillsborough Caldera 36°4′24″N 78°58′52″W / 36.07333°N 78.98111°W / 36.07333; -78.98111 (Hillsborough Caldera) 630 million years ago
Pond Mountain Volcanic Center 1517.904 4980 36°34′29.1″N 81°39′10.7″W / 36.574750°N 81.652972°W / 36.574750; -81.652972 (Pond Mountain Volcanic Center) 760 million years ago

Northern Mariana Islands

Map Mariana Islands volcanoes
Major volcanoes of the Mariana Islands
Name Elevation Location Last eruption
meters feet Coordinates
Agrigan 965 3165 18°48′N 145°42′E / 18.8°N 145.7°E / 18.8; 145.7 (Agrigan) 1917
Ahyi Seamount -137 -449 20°25′N 145°02′E / 20.42°N 145.03°E / 20.42; 145.03 (Ahyi) 2023
Alamagan 744 2441 17°36′N 145°50′E / 17.60°N 145.83°E / 17.60; 145.83 (Dante Rodondi) 1887
Anatahan 788 2592 16°21′N 145°40′E / 16.35°N 145.67°E / 16.35; 145.67 (Veronica Rodondi) 2008
Asuncion Island 857 2810 19°42′N 145°24′E / 19.7°N 145.4°E / 19.7; 145.4 (Asuncion) 1906
Daikoku Seamount -323 -1060 21°19′N 144°11′E / 21.32°N 144.19°E / 21.32; 144.19 (Daikoku) Holocene
Eifuku -1535 -5036 21°29′06″N 144°02′35″E / 21.485°N 144.043°E / 21.485; 144.043 (Eifuku) Holocene
East Diamante -127 -417 15°56′N 145°40′E / 15.93°N 145.67°E / 15.93; 145.67 (East Diamante) Holocene
Esmeralda Bank -43 -141 15°00′N 145°15′E / 15.00°N 145.25°E / 15.00; 145.25 (Ashley Rodondi) Holocene
Farallon de Pajaros 360 1,180 20°30′N 144°54′E / 20.5°N 144.9°E / 20.5; 144.9 (Farallon de Pajaros) 1967
Forecast Seamount -1456 -4777 13°24′N 143°55′E / 13.4°N 143.92°E / 13.4; 143.92 (Forecast) Holocene
Fukujin Seamount -217 -712 21°56′N 143°28′E / 21.93°N 143.47°E / 21.93; 143.47 (Fukujin) 1974
Guguan 287 942 17°19′N 145°50′E / 17.32°N 145.83°E / 17.32; 145.83 (Guguan) 1883
Kasuga Seamounts -598 -1962 21°45′54″N 143°42′36″E / 21.765°N 143.71°E / 21.765; 143.71 (Kasuga) 1959
Maug Islands 227 745 20°01′N 145°13′E / 20.02°N 145.22°E / 20.02; 145.22 (Maug Islands) Pleistocene
Northwest Rota-1 -517 -1696 14°36′04″N 144°46′30″E / 14.601°N 144.775°E / 14.601; 144.775 (Northwest Rota-1) 2004
Pagan Island 570 1870 18°06′N 145°46′E / 18.10°N 145.76°E / 18.10; 145.76 (Pagan Island) 2021
Ruby Seamount -230 -755 15°37′N 145°34′E / 15.62°N 145.57°E / 15.62; 145.57 (Ruby) 2023
Sarigan 538 1765 16°42′29″N 145°46′48″E / 16.708°N 145.78°E / 16.708; 145.78 (Sarigan) Unknown
Seamount X -1230 -4035 13°15′N 144°01′E / 13.25°N 144.02°E / 13.25; 144.02 (Seamount X) Holocene
South Sarigan Seamount -184 -604 16°35′N 145°47′E / 16.58°N 145.78°E / 16.58; 145.78 (South Sarigan) 2010
Supply Reef -8 -26 20°08′N 145°06′E / 20.13°N 145.10°E / 20.13; 145.10 (Supply Reef) 1989
Zealandia Bank 0 0 16°53′N 145°51′E / 16.88°N 145.85°E / 16.88; 145.85 (Zealandia Bank) Holocene

Oregon

Name Elevation Location Last eruption
meters feet Coordinates
Mount Bachelor 2,763 9,064 43°58′45.90″N 121°41′18.63″W / 43.9794167°N 121.6885083°W / 43.9794167; -121.6885083 (Mount Bachelor) 5800 BC ± 750 years
Bald Mountain Caldera - - 43°25′N 121°25′W / 43.417°N 121.417°W / 43.417; -121.417 (Bald Mountain Caldera) 3.4 to 4.6 million years ago
Mount Bailey 2,551 8,368 43°9′18.52″N 122°13′11.98″W / 43.1551444°N 122.2199944°W / 43.1551444; -122.2199944 (Mount Bailey) 11,000 to 100,000 years ago
Belknap Crater 2,095 6,873 44°17′05.80″N 121°50′32.04″W / 44.2849444°N 121.8422333°W / 44.2849444; -121.8422333 (Belknap Crater) 480 AD
Black Butte 1,962 6,436 44°23′59.0″N 121°38′07.7″W / 44.399722°N 121.635472°W / 44.399722; -121.635472 About 1,430,000 years ago
Blue Lake Crater 1,230 4,035 44°24′40″N 121°46′26″W / 44.411°N 121.774°W / 44.411; -121.774 (Blue Lake Crater) 680 AD ± 200 years
Broken Top 2,800 9,185 44°04′58″N 121°41′59″W / 44.08278°N 121.69972°W / 44.08278; -121.69972 (Broken Top) About 100,000 years ago
Brown Mountain - - 42°22′N 122°16′W / 42.36°N 122.27°W / 42.36; -122.27 (Brown Mountain) 12,000 to 60,000 years ago
Cinnamon Butte 1956 6417 43°14′28″N 122°06′29″W / 43.241°N 122.108°W / 43.241; -122.108 (Cinnamon Butte) 4855 BC to 9,000 BC
Columbia River Basalt Group - - - 6.0 million years ago
Crater Lake (Mount Mazama) 2,487 8,159 42°56′N 122°07′W / 42.93°N 122.12°W / 42.93; -122.12 (Crater Lake) 2850 BC
Crooked River caldera - - 44°18′N 120°54′W / 44.3°N 120.9°W / 44.3; -120.9 29.5 million years ago
Diamond Craters 1,450 4,750 43°06′N 118°42′W / 43.1°N 118.7°W / 43.1; -118.7 (Diamond Craters) 5610 BC ± 470 years
Diamond Peak 2,665 8,744 43°31′14.5″N 122°08′58.5″W / 43.520694°N 122.149583°W / 43.520694; -122.149583 11,000 to 100,000 years ago
Fort Rock 1,716 5,628 43°22′27″N 121°04′08″W / 43.37417°N 121.06889°W / 43.37417; -121.06889 (Fort Rock) 13,500 to 18,000 years ago
Gray Butte - - 44°30′N 121°18′W / 44.5°N 121.3°W / 44.5; -121.3 (Gray Butte) 29.5 million years ago
Mount Hood 3,426 11,237 45°22′24.65″N 121°41′45.31″W / 45.3735139°N 121.6959194°W / 45.3735139; -121.6959194 (Mount Hood) 1866
Jackies Butte 1,418 4,652 42°36′22″N 117°35′20″W / 42.606°N 117.589°W / 42.606; -117.589 (Jackies Butte) Holocene
Mount Jefferson 3199 10,492 44°42′N 121°48′W / 44.7°N 121.8°W / 44.7; -121.8 (Mount Jefferson) 950 AD
Jordan Craters 1400 4600 43°08′49″N 117°27′36″W / 43.147°N 117.460°W / 43.147; -117.460 (Jordan Craters) 1250 BC or later
Maiden Peak 2,380 7,810 43°37′37″N 121°57′50″W / 43.62694°N 121.96389°W / 43.62694; -121.96389 (Maiden Peak) Pleistocene
McDermitt Caldera 2,078 6,816 - 16.39 ± 0.02 million years ago
Mahogany Mountain - - 43°14′06″N 117°15′21″W / 43.234976817°N 117.255852547°W / 43.234976817; -117.255852547 15.5 million years ago
Mount McLoughlin 2,894 9,492 42°26′40.10″N 122°18′56.23″W / 42.4444722°N 122.3156194°W / 42.4444722; -122.3156194 (Mount McLoughlin) 20,000 to 30,000 years ago
Middle Sister 3,063 10,050 44°09′N 121°47′W / 44.150°N 121.783°W / 44.150; -121.783 (Middle Sister) 14,000 years ago
Newberry Caldera 2,434 7,986 43°42′N 121°30′W / 43.7°N 121.5°W / 43.7; -121.5 (Newberry Caldera) 690 AD ± 100 years
North Sister 3,075 10,090 44°10′N 121°46′W / 44.167°N 121.767°W / 44.167; -121.767 (North Sister) 46,000 years ago
Olallie Butte 2,200 7,219 44°49′18.1″N 121°45′50.2″W / 44.821694°N 121.763944°W / 44.821694; -121.763944 11,000 years ago or earlier
Pelican Butte - - 42°31′N 122°04′W / 42.51°N 122.06°W / 42.51; -122.06 (Pelican Butte) 60,000 years ago or earlier
Rocky Butte - - 45°32′48″N 122°33′57″W / 45.546713961°N 122.565940936°W / 45.546713961; -122.565940936 30,000 to 90,000 years ago
Round Butte - - 44°30′N 121°00′W / 44.5°N 121.0°W / 44.5; -121.0 (Round Butte) -
Saddle Butte 1,700 - 43°00′N 117°48′W / 43.00°N 117.80°W / 43.00; -117.80 (Saddle Butte) 430,000 ± 90,000 years ago
South Sister 3,158 10,360 44°06′N 121°46′W / 44.100°N 121.767°W / 44.100; -121.767 (South Sister) 50 BC
Strawberry Volcanics - - 44°12′N 118°48′W / 44.2°N 118.8°W / 44.2; -118.8 (Strawberry Volcanics) 12.5 to 16.2 million years ago
Mount Sylvania 298 978 45°26′17″N 122°43′21″W / 45.438054°N 122.722407°W / 45.438054; -122.722407 1 million years ago or earlier
Mount Tabor - 636 45°30′46″N 122°35′33″W / 45.5128968°N 122.5925937°W / 45.5128968; -122.5925937 300,000 years ago or earlier
Mount Thielsen 2,800 9,184 43°09′10.21″N 122°03′59.45″W / 43.1528361°N 122.0665139°W / 43.1528361; -122.0665139 (Mount Thielsen) 290,000 years ago
Three Fingered Jack 2,390 7,840 44°28′42″N 121°50′29″W / 44.47833°N 121.84139°W / 44.47833; -121.84139 (Three Fingered Jack) 40,000 to 80,000 years ago
Tower Mountain (Oregon) - - - 22.0 million years ago
Mount Washington 2,376 7,790 44°19′55″N 121°50′13″W / 44.332°N 121.837°W / 44.332; -121.837 (Mount Washington) 700 AD
Wildcat Mountain Caldera - - - 36.0 million years ago

Texas

Name Elevation Location Last eruption
meters feet Coordinates
Pilot Knob 169 576 30°09′43″N 97°42′22″W / 30.162°N 97.706°W / 30.162; -97.706 (Pilot Knob) 79 to 83 million years ago (late Cretaceous)
Inge Mountain 125 410 29°10′52″N 99°45′58″W / 29.181°N 99.766°W / 29.181; -99.766 (Inge Mountain) Eocene or possibly Miocene

Utah

Name Elevation Location Last eruption
meters feet Coordinates
Bald Knoll Volcanic Field 2,135 7,005 37°19′41″N 112°24′29″W / 37.328°N 112.408°W / 37.328; -112.408 (Bald Knoll) 300,000 years ago or later
Black Rock Desert Volcanic Field 1,800 5,904 38°58′12″N 112°30′00″W / 38.970°N 112.500°W / 38.970; -112.500 (Black Rock Desert volcanic field) 1290 AD ± 150 years
Fumarole Butte 1,609 5,279 39°36′54″N 112°48′11″W / 39.615°N 112.803°W / 39.615; -112.803 (Fumarole Butte) 900,000 years ago
Indian Peak-Caliente Caldera Complex - - 38°00′00″N 114°00′00″W / 38.000°N 114.000°W / 38.000; -114.000 (Indian Peak-Caliente Caldera Complex) 18 million years ago
Marysvale Volcanic Field 3,694 12,137 38°30′00″N 112°30′00″W / 38.500°N 112.500°W / 38.500; -112.500 (Marysvale volcanic field) 19 million years ago
Markagunt Plateau Volcanic Field 2,840 9,318 37°37′01″N 112°49′30″W / 37.617°N 112.825°W / 37.617; -112.825 (Markagunt Plateau) 1050 AD
Santa Clara Volcanic Field 1,465 4,806 37°15′25″N 113°37′30″W / 37.257°N 113.625°W / 37.257; -113.625 (Santa Clara) 32,000 years ago

Virginia

Name Elevation Location Last eruption
meters feet Coordinates
Mole Hill 577 1,893 38°26′55″N 78°57′12″W / 38.44861°N 78.95333°W / 38.44861; -78.95333 (Mole Hill) 47 million years ago (early Eocene)
Trimble Knob 952 3,123 38°24′17″N 79°35′16″W / 38.40472°N 79.58778°W / 38.40472; -79.58778 (Trimble Knob) 35 million years ago (late Eocene)
Mount Rogers Volcanic Center 1,750 5,730 36°39′35″N 81°32′40″W / 36.65972°N 81.54444°W / 36.65972; -81.54444 (Mount Rogers) 760 million years ago (Tonian)
Battle Mountain 354 1,162 38°39′26″N 78°3′36″W / 38.65722°N 78.06000°W / 38.65722; -78.06000 (Battle Mountain) 704 million years ago (Cryogenian)

Washington

Name Elevation Location Last eruption
meters feet Coordinates
Battle Ground Lake 229 750 45°48′19″N 122°39′29″W / 45.80528°N 122.65806°W / 45.80528; -122.65806 (Battle Ground Lake) 105,000 years ago
Black Buttes 2,857 9,373 48°46′09″N 121°51′10″W / 48.7692861°N 121.8526467°W / 48.7692861; -121.8526467 (Black Buttes) 500,000 to 300,000 years ago
Mount Adams 3,743 12,281 46°12′09″N 121°29′27″W / 46.20250°N 121.49083°W / 46.20250; -121.49083 (Mount Adams) 500 BC ± 1000 years
Mount Baker 3,285 10,778 48°46′38″N 121°48′48″W / 48.77722°N 121.81333°W / 48.77722; -121.81333 (Mount Baker) 1880
Glacier Peak 3,213 10,541 48°06′45″N 121°06′50″W / 48.11250°N 121.11389°W / 48.11250; -121.11389 (Glacier Peak) 1700 ± 100 years
Goat Rocks 2,494 8,184 46°30′N 121°27′W / 46.50°N 121.45°W / 46.50; -121.45 (Goat Rocks) 500,000 years ago
Indian Heaven 1,513 5,925 45°56′N 121°49′W / 45.93°N 121.82°W / 45.93; -121.82 (Indian Heaven) ~6250 BC
Lone Butte 1457 4,780 46°03′16″N 121°50′21″W / 46.05444°N 121.83917°W / 46.05444; -121.83917 (Lone Butte) Either 80,000 or 140,000 years ago ± 10,000 years
Marble Mountain-Trout Creek Hill volcanic zone 1,378 4,521 45°54′N 122°00′W / 45.9°N 122.0°W / 45.9; -122.0 (Marble Mountain-Trout Creek Hill volcanic zone) ~7700 years ago
Mount Rainier 4,392 14,411 46°51′11″N 121°45′35″W / 46.85306°N 121.75972°W / 46.85306; -121.75972 (Mount Rainier) 1894
Mount St. Helens 2,550 8,364 46°11′28″N 122°11′39″W / 46.19111°N 122.19417°W / 46.19111; -122.19417 (Mount St. Helens) 2008
Mount Si 1,270 4,167 47°30′27″N 121°44′24″W / 47.50750°N 121.74000°W / 47.50750; -121.74000 (Mount Si)
Pinnacle Peak 549 1,801 47°10′25″N 121°58′24″W / 47.17361°N 121.97333°W / 47.17361; -121.97333 (Pinnacle Peak)
Silver Star Mountain 1,330 4,364 45°44′51.8″N 122°14′20.5″W / 45.747722°N 122.239028°W / 45.747722; -122.239028 Pluton formed 20 million years ago
Simcoe Mountains 1954 6,410 46°06′N 120°54′W / 46.1°N 120.9°W / 46.1; -120.9 (Simcoe Mountains) 631,000 ± 27,000 years ago
Trout Creek Hill 890 2,920 45°50′11″N 121°59′41″W / 45.8365040°N 121.9948065°W / 45.8365040; -121.9948065 (Trout Creek Hill) 340,000 years ago
Tumtum Mountain 611 2,004 45°56′03″N 122°20′13″W / 45.93414°N 122.33695°W / 45.93414; -122.33695 (Tumtum Mountain) 70,000 years ago
West Crater 1,329 4,360 45°53′N 122°05′W / 45.88°N 122.08°W / 45.88; -122.08 (West Crater) 5750 BC
White Chuck Cinder Cone 1,830 6,002 48°03′N 121°10′W / 48.05°N 121.17°W / 48.05; -121.17 (White Chuck Cinder Cone) Between 17,000 and 2,000 years ago

Wyoming

Name Elevation Location Last eruption
meters feet Coordinates
Yellowstone Plateau volcanic field 2,805 9,203 44°28′16″N 110°30′07″W / 44.471031°N 110.501862°W / 44.471031; -110.501862 (Yellowstone Plateau) 70,000 years ago (magmatic) / 1350 BC ± 200 years (hydrothermal)

See also

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List of volcanoes in the United States Facts for Kids. Kiddle Encyclopedia.