Bishop eruption | |
---|---|
Volcano | Long Valley Caldera |
Date | 764,800 ± 600 years ago |
Type | Ultra-Plinian |
Location | California, United States 37°43′00″N 118°53′03″W / 37.71667°N 118.88417°W |
Volume | Approx. 200 km3 (48 cu mi) |
VEI | 7 |
Map of the Long Valley Caldera, with Bishop Tuff outlined. |
The Bishop Tuff is a welded tuff which formed 764,800 ± 600 years ago as a rhyolitic pyroclastic flow during the approximately six-day eruption that formed the Long Valley Caldera.[1][2][3] Large outcrops of the tuff are located in Inyo and Mono Counties, California, United States. Approximately 200 cubic kilometers of ash and tuff erupted outside the caldera.[4]
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