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July Evening Public Lecture — USGS California Volcano Observatory: It's not just earthquake country!
Автор: USGS Presentations
Загружено: 2016-08-16
Просмотров: 15060
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Volcanic eruptions occur int he State about as frequently as the large San Andreas Fault Zone earthquakes. California's "watch list" volcanoes are dispersed throughout the State and future eruptions are inevitable—the likelihood of renewed volcanism is on the order of one in a few hundred to one in a few thousand annually.
With Margaret Mangan, Scientist-in-Charge, USGS CalVO
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