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The California Volcano Observatory (CalVO) is the volcano observatory that monitors the volcanic and geologic activity of California and Nevada. It is a part of the Volcano Hazards Program of the United States Geological Survey, a scientific agency of the United States government. [2]
[73] Similarly, the California Volcano Observatory lists its threat level as "Very High." [4] [82] At the time of the early 20th century eruptions, the area surrounding the volcano was only sparsely populated, but a similar eruption today would threaten many lives and the northern Californian economy. [83]
The National Volcano Early Warning and Monitoring System has two purposes: [11] To "organize, modernize, standardize, and stabilize the monitoring systems of the volcano observatories in the United States, which includes the Alaska Volcano Observatory, California Volcano Observatory, Cascades Volcano Observatory, Hawaiian Volcano Observatory, and Yellowstone Volcano Observatory".
For years now, California has been bracing for the "big one" -- the magnitude 6.7 or greater earthquake that is expected to send ripples through the state within the century. But there's another ...
Montgomery-Brown, an expert on the Long Valley Caldera who is now with the USGS' Cascades Volcano Observatory, said the most recent episode of increased earthquake activity in the area began in ...
In October 2006, the United States Geological Survey (USGS) adopted a nationwide alert system for characterizing the level of unrest and eruptive activity at volcanoes. The system is now used by the Alaska Volcano Observatory, the California Volcano Observatory (California and Nevada), the Cascades Volcano Observatory (Washington, Oregon and Idaho), the Hawaiian Volcano Observatory and the ...
Judith Ellen Fierstein is a geologist and researcher employed by the U.S. Geological Survey (USGS), [1] [2] and affiliated with the USGS California Volcano Observatory. [3] Fierstein's research in geology has advanced the understanding of volcanism in Chile, including the history of Laguna del Maule.
Geologists believe these basalt-lined table tops are the remains of ancient lava flow from a volcano that erupted 10 to 12 million years ago in what today is either eastern California or western ...