Volcano Hazards
U.S. Volcanoes and Current Activity Alerts
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There are 169 potentially active volcanoes in the U.S. The mission of the USGS Volcano Hazards Program is to enhance public safety and minimize social and economic disruption from volcanic unrest and eruption. We accomplish this by delivering effective forecasts, warnings, and information about volcano hazards based on scientific understanding of volcanic processes.
News
Photo and Video Chronology – Kīlauea – October 20, 2020
Direct gas sampling at Sulphur Banks on September 30, 2020
Trump Administration Officials Tour New Mt. Rainier Lahar Detection Stations
TACOMA, Wash. — Deputy Secretary of the Interior Katharine MacGregor, U.S. Geological Survey Director Jim Reilly, and Counselor to the Secretary Margaret Everson, Exercising the Delegated Authority of the Director of the National Park Service, today visited Mount Rainier National Park to announce the successful permitting and ongoing installation of five new lahar monitoring stations.
Yellowstone's tool-making lava flows
Yellowstone has a lot to offer visitors, from its world-famous hydrothermal features to its vast array of wildlife and breath-taking scenery. Yellowstone has also provided humans with another important resource for the last 11,000 years or more—obsidian.