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Glacial Features

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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
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Top of the basalt columns showing the classical hexagonal shapes, f...

Glacial Features in the Long Valley Area, California

Glaciers have played an important role in modifying the landscape of the Long Valley area before, during, and after the enormous caldera-forming eruption 760,000 years ago.
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Long Valley Caldera
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Glacial Features in the Long Valley Area, California

Glaciers have played an important role in modifying the landscape of the Long Valley area before, during, and after the enormous caldera-forming eruption 760,000 years ago.
Learn More