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 ...

A magnitude-6.6 earthquake struck near the South Pacific island nation of Samoa on Friday, the U.S. Geological Survey said. A staff member at the Samoa Observer news website said he had not felt a ...

In an exciting development, scientists from the University of Washington have observed signs that an underwater volcano off the coast of the Pacific Northwest is preparing to erupt, possibly ...

A total of 895 earthquakes have shaken the ground beneath Washington’s highest mountain since the beginning of July.

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

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 ...

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

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.