U.S. Volcanoes and Current Activity Alerts

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News


  • Acoustic flow monitoring station maintenance, instrument can sense ground vibrations associated with debris flows in Loowit Creek.at Mount St. Helens.
    Acoustic flow monitoring station maintenance, instrument can sense ground vibrations associated with debris flows in Loowit Creek.at Mount St. Helens.
    Acoustic flow monitoring station maintenance, instrument can sense ground vibrations associated with debris flows in Loowit Creek.at Mount St. Helens.
  • Panorama shows Mount St. Helens with Mount Hood and in distance.
    Panorama shows Mount St. Helens with Mount Hood and in distance.
    Panorama shows Mount St. Helens with Mount Hood and in distance.
  • Rime ice coats telemetry station north of Mount St. Helens.
    Rime ice coats telemetry station north of Mount St. Helens.
    Rime ice coats telemetry station north of Mount St. Helens, Washington.
  • Volcanically-heated water of Loowit Creek flows from Mount St. Helens' crater through Loowit Channel.
    Volcanically-heated water of Loowit Creek flows from Mount St. Helens' crater through Loowit Channel.
    Volcanically-heated water of Loowit Creek flows from Mount St. Helens' crater through Loowit Channel.
  • Depositional fan in foreground of Mount St.Helens crater formed as material eroded out of the crater. Volcanic sediment is transported continuously by stream water and occasionally by debris flows.
    Depositional fan in foreground of Mount St.Helens crater formed as material eroded out of the crater. Volcanic sediment is transported continuously by stream water and occasionally by debris flows.
    Depositional fan in foreground of Mount St.Helens crater formed as material eroded out of the crater. Volcanic sediment is transported continuously by stream water and occasionally by debris flows.
  • North Fork Toutle River's braided channel indicates a high sediment load, even 32 years after the catastrophic eruption of May 18, 1980.
    North Fork Toutle River's braided channel indicates a high sediment load, even 32 years after the catastrophic eruption of May 18, 1980.
    North Fork Toutle River's braided channel indicates a high sediment load, even 32 years after the catastrophic eruption of May 18, 1980.


Prepare

National Volcano Early Warning System.
NVEWS
The National Volcano Early Warning System plans to closely monitor threatening volcanoes.


Earthquakes leading up to the January 11, 2006 eruption of Augustine volcano, AK.
Monitoring
Current monitoring data from USGS volcano observatories.


Cars covered in volcanic ash, Mount Pinatubo eruption, Philippines.
Volcanic Ash
Ash hazards information and guidance for homes, businesses, and communities.

Look

Lava flows within Pu‘u ‘Ō‘ō crater, Kilauea volcano, HI.
Webcams
Frequently updated real-time images of several U.S. volcanoes.


Jake Lowenstern giving lessons about Yellowstone volcano.
Podcasts and Videos
Yellowstone volcano podcasts and videos.


Bishop Tuff outcrop from Long Valley, CA.
Images from Observatories
Archived photographs and images of U.S. volcanoes.

Learn

Mount Rainier as a backdrop behind the city of Tacoma, WA.
U.S. Volcano List
Information, photos and status updates for volcanoes of concern in the U.S.


Arched lava fountain from Kilauea volcano, HI.
Photoglossary
Pictures and definitions of volcanic terms.


Alaska Volcanoes Guidebook for Teachers.
Volcano Education Resources
Grades 6-12 lessons and activities for teachers.