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

Recent volcanic activity across the Pacific Ring of Fire has raised alarms among scientists and volcanologists, with several volcanoes experiencing heightened eruptions and seismic tremors. The Ring ...

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 ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

The earthquakes are not currently a cause for concern, and do not indicate an impending eruption, the U.S. Geological Survey ...

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.