volcano Archives - Notes From the Field

California Geological Survey Scientists Assess Coastal Damage After Volcanic Tsunami Across the Pacific

An underwater volcanic eruption in Tonga sent a small but damaging series of tsunami surges toward the California coast in January.

The Mammoth Lakes Earthquakes – 40th Anniversary

On May 25, 1980–nearly one week after the spectacular eruption of the Mount St. Helens volcano–at 9:33 a.m. PST, a magnitude 6.0 earthquake rocked through Mammoth Lakes, California. During the next 16 minutes, four more shocks, magnitude 4.1 – 5.5 followed. This seismic activity was the beginning of an earthquake sequence that produced 72 magnitude…

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Notes From the Field

Tag: volcano

California Geological Survey Scientists Assess Coastal Damage After Volcanic Tsunami Across the Pacific

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The Mammoth Lakes Earthquakes – 40th Anniversary

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