U.S. Volcanoes and Current Activity Alerts
Zoom to Region: Alaska | Hawaii | Mariana Islands | CA-NV | WA-OR | ID-WY | UT-CO-AZ-NM | U.S. Volcanoes
Volcano Status: Elevated | Normal | Unassigned
The National Volcano Early Warning System plans to closely monitor threatening volcanoes.
Current monitoring data from USGS volcano observatories.
Ash hazards information and guidance for homes, businesses, and communities.
Frequently updated real-time images of several U.S. volcanoes.
Yellowstone volcano podcasts and videos.
Archived photographs and images of U.S. volcanoes.
Information, photos and status updates for volcanoes of concern in the U.S.
Pictures and definitions of volcanic terms.
Grades 6-12 lessons and activities for teachers.