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Caldera Features

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Map of the Long Valley area, California....

Geologic history of the Long Valley, Mono Basin region

Geologic history of the Long Valley, Mono Basin region.
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California Volcano Observatory, Long Valley Caldera
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Geologic history of the Long Valley, Mono Basin region

Geologic history of the Long Valley, Mono Basin region.
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Long Valley caldera viewed toward the east across the northern part...

Features of the Long Valley Caldera

The broad depression of Long Valley Caldera that we see today is much shallower and a little larger in diameter than it was immediately after its formation about 760,000 years ago.
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Long Valley Caldera
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Features of the Long Valley Caldera

The broad depression of Long Valley Caldera that we see today is much shallower and a little larger in diameter than it was immediately after its formation about 760,000 years ago.
Learn More