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1973 Point Mugu earthquake facts for kids

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1973 Point Mugu earthquake
UTC time 1973-02-21 14:45:57
ISC event 764165
Local date February 21, 1973
Local time 06:45:57 PST
Magnitude 5.8 Mw
Depth 10 km (6.2 mi)
Epicenter 34°02′N 119°02′W / 34.04°N 119.03°W / 34.04; -119.03
Type Oblique-slip
Areas affected South Coast (California)
United States
Total damage $1,000,000
Max. intensity VII (Very strong)
Peak acceleration 0.13 g
Casualties Several injured

The 1973 Point Mugu earthquake occurred at 06:45:57 local time on February 21 in the Point Mugu area of southeastern Ventura County of southern California. It had a moment magnitude of 5.8 and a maximum Mercalli Intensity of VII (Very strong). This oblique-slip shock resulted in several injuries and $1 million in damage. The epicenter was near the Oxnard Plain and the northern terminus of the Santa Monica Mountains, in the California South Coast region.


At the most extreme points of its perceptibility along the coast, it was felt between intensity I and III (Not felt – Weak) at San Luis Obispo in the north and San Diego in the south. Inland, it was felt at McFarland in the central valley and Cantil in the western Mojave Desert, and to the southeast in Palm Springs.

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