Mammoth Mountain
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Mammoth Mountain is a lava dome complex partially located in the town of Mammoth Lakes, California, within the Inyo National Forest of Madera and Mono counties. It is home to a large ski area primaril
Mammoth Mountain from the south, with Ritter Range behind
Overabundance of carbon dioxide in the soil from a natural underground volcanic source has killed a large area of trees
Ski runs
Long Valley Caldera
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Long Valley Caldera is a volcanic caldera in eastern California that is adjacent to Mammoth Mountain. The valley is one of the Earth's largest calderas, measuring about 20 miles long, 11 miles wide, a
Mammoth Mountain
…hazardous volcanic gases that kill trees. Mammoth Mountain is a lava dome complex in Mono County, California. It lies in the southwestern corner of the Long Valley Caldera and consists of about 12 rhyodacite and dacite overlapping domes. These domes formed in a long series of eruptions from 110,000 to 57,000 years ago…
View from northeast rim of caldera
Early winter in Long Valley, 2017
Layers of the Bishop tuff, in a rock quarry in Chalfant Valley, about 25 km (16 mi) southwest of the Long Valley Caldera, laid down in phases of a major eruption 760,000 years ago.
Hot Creek Fish Hatchery at base of Resurgent Dome