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Long-Term Outlook for Volcanic Activity in Long Valley Caldera
and the Mono-Inyo Craters Volcanic Chain

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The area of eastern California that includes Long Valley Caldera and the Mono-Inyo Craters volcanic chain has a long history of geologic activity that includes both earthquakes and volcanic eruptions. This activity is likely to continue long into the future. Geologic processes proceed at a ponderous pace, however, and when measured in the time-scale of a human lifetime, volcanic eruptions or destructive earthquakes are infrequent events. How does this ongoing geologic activity affect those who live in or visit this area of spectacular eastern Sierra scenery?

The best guide to the future behavior of a volcano or volcanic system is its past behavior. Geological studies of Long Valley Caldera and the Mono-Inyo Craters volcanic chain indicate that:




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U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
Contact: Long Valley Web Team

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