Mind the Gap: Inadequate monitoring at many U.S. volcanoes | Science News

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Mind the Gap: Inadequate monitoring at many U.S. volcanoes

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12:01pm, May 4, 2005

A report just released by the U.S. Geological Survey (USGS) ranks the threats posed by the nation's volcanoes, identifies gaps in monitoring at and around those peaks, and proposes a comprehensive early-warning system for volcanic unrest and eruptions.

The United States and its territories are home to 169 volcanoes that are now erupting, have erupted recently, or became dormant so recently that they may merely be napping. Since 1980, when Mount St. Helens blew its top, a total of 45 eruptions have occurr

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