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Mount St. Helens’ 1980 Eruption Changed the Future of Volcanology

Mount St. Helens’ 1980 Eruption Changed the Future of Volcanology

If scientists armed with today's monitoring tools and knowledge could step back in time to the two months before May 18, 1980, they would have been...

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Earthquakes occur in Mount Rainier's hydrothermal system.

Earthquakes occur in Mount Rainier's hydrothermal system.

While the seismicity represents a temporary uptick in activity, Mount Rainier remains at normal, background levels of activity.

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Field guides provide history and context for your next field trip to Mount St. Helens

Field guides provide history and context for your next field trip to Mount St. Helens

Exposures in valleys surrounding Mount St. Helens reveal records of diverse geologic processes including debris avalanche, lahar, huge water wave on a...

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CalVO announces Dr. Andy Calvert as new Scientist-in-Charge

CalVO announces Dr. Andy Calvert as new Scientist-in-Charge

After 36 years with the USGS and 7 years as the Scientist-in-Charge of CalVO, Dr. Margaret (Maggie) Mangan will be stepping down from leading the...

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USGS to Install New Volcano Early Detection and Monitoring Stations at Mount Hood--Improving Early Detection of Unrest at this Active Volcano

USGS to Install New Volcano Early Detection and Monitoring Stations at Mount Hood--Improving Early Detection of Unrest at this Active Volcano

New sensor network will help safeguard lives and property, and because of the relatively small footprint, there will be very little disturbance to the...

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USGS Hazard Science – Understanding the Risks is Key to Preparedness

USGS Hazard Science – Understanding the Risks is Key to Preparedness

 Learn About USGS Hazards Science and More About National Preparedness Month:  The very nature of natural hazards means that they have the potential...

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“Science is Amazing”: GeoGirls Explore Mount St. Helens During Outdoor Science and Technology Program

“Science is Amazing”: GeoGirls Explore Mount St. Helens During Outdoor Science and Technology Program

Twenty-five middle school-age GeoGirls spent five days conducting hands-on research and interacting with female scientists, educators and older...

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New names at Newberry drawn from CalVO geologist's mapping

New names at Newberry drawn from CalVO geologist's mapping

In June 2019, the U.S. Board on Geographic Names approved twenty-five new formal geographic names at Newberry Volcano in central Oregon. The names...

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Reporters: Join GeoGirls and scientists at Mount St. Helens as they collect data and learn more about this active volcano

Reporters: Join GeoGirls and scientists at Mount St. Helens as they collect data and learn more about this active volcano

VANCOUVER, Wash. — Twenty-five middle school girls from Washington and Oregon are participating in the fifth annual GeoGirls outdoor volcano science...

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Earthquake swarm at Mount Hood July 8-9, 2019

Earthquake swarm at Mount Hood July 8-9, 2019

Earthquakes occurring on tectonic faults and are not directly related to volcanic processes occurring beneath Mount Hood

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Earthquake swarm beneath Mount St. Helens June 2019

Earthquake swarm beneath Mount St. Helens June 2019

Earthquake swarm beneath Mount St. Helens June 2019

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The National Volcano Early Warning System (NVEWS) will help USGS better monitor nation’s most dangerous volcanoes

The National Volcano Early Warning System (NVEWS) will help USGS better monitor nation’s most dangerous volcanoes

In September 2004, USGS scientists detected sudden, but unmistakable, signs that Mount St. Helens was waking up. Volcano monitors had picked up the...

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