Sequences of small earthquakes typically tell that a volcano is ... in the past at Mount St. Helens and at other volcanoes ...

This 2023 satellite photo shows the heart-shaped Spirit Lake, which was transformed by the cataclysmic eruption of Mount St.

David A. Johnston was killed just hours after his last ever picture was taken. The volcanologist from Chicago, US was once ...

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

The Mount St. Helens eruption in 1980 started on March ... As a result of the volcano eruption and all of this activity, 15 miles of railway and over 185 miles of road were destroyed, alongside ...

Mount St. Helens has recently been swarming with geological activity, which could mean the giant American volcano is gearing up for its next big eruption. Produced by Zach Wasser and Dave Mosher.

When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...

A teenager when he began scuba diving in the shadow of Mount St. Helens, he remembers the lake as it was before the May 1980 eruption, before the top 1,300 feet of the volcano—more than three ...

During the Mount St. Helens eruptions, lahars flowed up to 60 miles ... wind patterns would often direct any ash from an erupting volcano eastward whereas the lahar risk primarily impacts the ...

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One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...