Volcano Hazards Program Features Archive
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20 Years of AVO
Alaska Volcano Observatory (AVO) Celebrates Twenty Years of Volcano Research and Hazard Mitigation …
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Halema`uma`u gas plume becomes ash-laden
On the evening of March 23, 2008 small incandescent particles were observed erupting from the vent below the Halema`uma`u Overlook. See the HVO Web Site for more information …
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Mount St. Helens Alert Level and Aviation Color Code Decreased to Advisory Yellow
Growth of the new lava dome inside the crater of Mount St. Helens, which began in October 2004, appears to have paused …
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Recent ups and downs of the Yellowstone Caldera
Parts of the Yellowstone Caldera rose as much as 7 cm (~3") per year from 2004 to 2006. …
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New USGS Hazards Assessment for Medicine Lake Volcano
Medicine Lake volcano covers more than 2000 square km in California. New report covers potential volcano hazards. …
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New lava flow hazard assessment
Lava flow hazard assessment, as of August 2007, for Kilauea East Rift Zone eruptions, Hawai'i Island …
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Volcano and Earthquake Mapplets
Track volcanic and earthquake activity on your personal Google Map …
