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News about Mount St. Helens.

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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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Small earthquake swarm at Mount St. Helens March 11, 2019

Small earthquake swarm at Mount St. Helens March 11, 2019

Small earthquake swarm occurs at Mount St. Helens March 11, 2019

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Which U.S. volcanoes pose a threat?

Which U.S. volcanoes pose a threat?

USGS Volcanic Threat Assessment updates the 2005 rankings.

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USGS Unmanned Aircraft Systems (UAS) monitors gas emissions at Mount St. Helens

USGS Unmanned Aircraft Systems (UAS) monitors gas emissions at Mount St. Helens

USGS Unmanned Aircraft Systems (UAS) monitors gas emissions at Mount St. Helens in 2018

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GeoGirls Rock! USGS women encourage and support the next generation of scientists

GeoGirls Rock! USGS women encourage and support the next generation of scientists

Mount St. Helens volcano loomed in the distance as 25 middle-school “GeoGirls” signed in, received a name tag, dropped their overnight gear and...

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Scientists Discover New Clues to Mount St. Helens Unusual Location

Scientists Discover New Clues to Mount St. Helens Unusual Location

The atypical location of Mount St. Helens may be due to geologic structures that control where deep magmas can rise through the crust, as suggested by...

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MEDIA ADVISORY: Join GeoGirls at Mount St. Helens August 1

MEDIA ADVISORY: Join GeoGirls at Mount St. Helens August 1

Twenty-five middle-school girls from Washington and Oregon are participating in the fourth annual “GeoGirls” outdoor volcano science program at Mount...

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Tectonic earthquake detected near Mount St. Helens.

Tectonic earthquake detected near Mount St. Helens.

There is no sign that this is connected to volcanic activity.

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Volcano Watch — Legacy of the Mount St. Helens 1980 eruption still defies perfect solution

Volcano Watch — Legacy of the Mount St. Helens 1980 eruption still defies perfect solution

Thirty-seven years after the May 18, 1980, eruption of Mount St. Helens, Washington, scientists, engineers, land managers, and Federal, State, and...

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Seismologists deploy largest number of seismometers ever at Mount St. Helens—a dense array designed to detect tiny quakes.

Seismologists deploy largest number of seismometers ever at Mount St. Helens—a dense array designed to detect tiny quakes.

Scientists learn more about conditions in the shallow subsurface at this active volcano.

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Reporters: Join as GeoGirls Dig Geology at Mount St. Helens

Reporters: Join as GeoGirls Dig Geology at Mount St. Helens

MEDIA ADVISORY

Twenty-five middle-school girls from 11 cities in Washington and Oregon are participating in the third annual “GeoGirls” outdoor volcano...

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Ever Vigilant: USGS Marks the 37th Anniversary of Mount St. Helen's Eruption and the 35th Anniversary of the Cascades Volcano Observatory

Ever Vigilant: USGS Marks the 37th Anniversary of Mount St. Helen's Eruption and the 35th Anniversary of the Cascades Volcano Observatory

Today, in 1980, Mount St. Helens unleashed the most devastating eruption in U.S. history. Two years later, USGS founded the Cascades Volcano...

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