Volcano Hazards Program

U.S. Geological Survey
General Information Product 74
Version 1.1

Volcano Hazards Program


By Dina Y. Venezky, Bobbie Myers, and Carolyn Driedger

2008, revised 2009

face of postcard
Illustration modified from GIP 64 by Bobbie Myers and Carolyn Driedger.

Diagram of common volcano hazards. The U.S. Geological Survey Volcano Hazards Program (VHP) monitors unrest and eruptions at U.S. volcanoes, assesses potential hazards, responds to volcanic crises, and conducts research on how volcanoes work. When conditions change at a monitored volcano, the VHP issues public advisories and warnings to alert emergency-management authorities and the public. See http://volcanoes.usgs.gov/ to learn more about volcanoes and find out what’s happening now.

Download the postcard (gip74.pdf; 176 kB)

For questions about the content of this report, contact Dina Venezky

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