View of Mono Lake and Negit Island
from Panum Dome
LONG VALLEY VOLCANIC CENTER VOLCANO (CAVW #1203-14-)
37°42' N 118°52'12" W, Summit Elevation 7231 ft (2204 m)
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN
Twenty earthquakes between magnitude 1.0 and 2.0 occurred in the Mammoth Lakes-Long Valley region in the past week (since 2:47 PM on Friday, October 7). All but one of these events (a magnitude 1.0 under Mammoth Mountain) were located in the Sierra Nevada to the south of the caldera.
News
Features
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Monitoring Data
Access Long Valley Caldera monitoring information and data.
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Virtual Tour
Go on a Virtual Tour of the Long Valley Volcanic Center.
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Maps
Maps and illustrations of Long Valley Caldera area.
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Hot Creek
Hot Creek and other hazards in the Long Valley Caldera.
