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Mount Cayley facts for kids

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Mount Cayley
Mount Cayley.jpg
Mount Cayley as seen from its southeast slopes
Highest point
Elevation 2,377 m (7,799 ft)
Prominence 674 m (2,211 ft)
Listing List of volcanoes in Canada
List of Cascade volcanoes
Location Squamish River, British Columbia, Canada
Parent range Pacific Ranges
Topo map NTS 92J/03
Age of rock Pleistocene
Mountain type Stratovolcano
(potentially active)
Volcanic arc/belt Canadian Cascade Arc
Garibaldi Volcanic Belt
Last eruption Pleistocene
First ascent 1928 by E.C. Brooks, W.G. Wheatley, B.Clegg, R.E. Knight, and Tom Fyles
Easiest route rock/ice climb

Mount Cayley is an eroded stratovolcano. It is 11 km southeast of Callaghan Lake and 24 west of Whistler, British Columbia, Canada. It is part of the Garibaldi Volcanic Belt which is a segment of the Cascade Volcanic Arc.

A scenario of an eruption of Mount Cayley shows how western Canada is vulnerable to an eruption. The scenario is based on past activity in the Garibaldi Volcanic Belt and involves both effusive and explosive eruptions. The scenario impact is largely a result of the concentration of vulnerable infrastructure in valleys.

In 2003, Catherine Hickson, a scientist with the Geological Survey of Canada, was one of the three scientists to report on the hypothetical eruption at Mount Cayley. The first signs of activity at the volcano would probably be enlarged seismic activity in and close to the mountain. Flooding would turn out to be a huge issue for the community of Squamish and could eventually overrun parts of Highway 99.

The Mount Cayley volcanic field is named after Mount Cayley.

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