Explore Search: Volcano
Volcano Hazards Program
There are about 170 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 through our National Volcano Early Warning System. We deliver forecasts, warnings, and information about volcano hazards based on a scientific understanding of volcanic behavior.
Volcano Hazards Program
There are about 170 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 through our National Volcano Early Warning System. We deliver forecasts, warnings, and information about volcano hazards based on a scientific understanding of volcanic behavior.
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Hawaiian volcano observatory summary 103; Part I, seismic data, January to December 2003
![Color photograph of gound cracks on ash covered surface](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/search_result/public/media/images/multimediaFile-4067.jpg?itok=BAuHUrMQ)
June 6, 2024 — Cracks formed around recent Kīlauea Southwest Rift Zone eruption fissures
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