Long Valley Caldera
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Long Valley Caldera is a depression in eastern California that is adjacent to Mammoth Mountain. The valley is one of the Earth's largest calderas, measuring about 20 mi long, 11 mi wide, and up to 3,000 ft deep. Wikipedia
Age: 760,000 yrs
Depth: up to 3,000 ft (900 m)
Floor elevation: 6,500–8,500 ft (2,000–2,600 m)
Length: 20 mi (32 km) EW
Location: Mono County, California; United States
Width: 11 mi (18 km)
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