Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Pack it up and explore the Pacific Northwest with nine picture-perfect Oregon road trip stops. From Portland to the ...

Here's why this volcanic region of the Pacific Northwest should be on every outdoor enthusiast's hiking bucket list, with scenic trails and caves to explore.

Although researchers did predict the Axial Seamount would erupt in 2025, people on the Pacific coast shouldn't worry about its impact. Axial's eruptions are akin to the ones in Hawaii in which runny ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

The Pacific Northwest Seismic Network recorded hundreds of small earthquakes at Mt. Rainier on Tuesday morning. The US ...

This Saturday they are holding an open house to teach people about volcanoes in the Pacific Northwest and the important work they do. Outreach Scientist, Holly Weiss-Racine joined us with the details.