Scientists in Mexico documented a number of changes inside El Chichón during monitoring between June and December 2025.

New seismic imaging shows magma lingering beneath quiet Cascade volcanoes, shaping how scientists monitor and plan for eruptions.

Scientists know that changing tree leaves can indicate when a nearby volcano is becoming more active and might erupt. In a new collaboration between NASA and the Smithsonian Institution, scientists ...

This week the U.S. Geological Survey Cascades Volcano Observatory, in cooperation with the U.S. Forest Service and Mount Hood National Forest, installed three new volcano monitoring stations on the ...

Add Yahoo as a preferred source to see more of our stories on Google. Volcanoes in Alaska, Washington state, Oregon and Hawaii have been rumbling and even spewing lava, enough to spark a swarm of news ...

A long-dormant mud volcano erupted in Diglipur, Andaman Islands, prompting safety restrictions. Officials have cordoned off the site as scientists monitor continuing geological activity.

The U.S. Geological Survey’s Hawaiian Volcano Observatory website is currently offline, officials said Sunday. The outage ...

Mount Shasta, a steep-sided Cascade Range stratovolcano in Northern California, looms above Little Glass Mountain, a thick obsidian flow erupted from the Medicine Lake shield volcano about 1,000 years ...

American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) website is currently offline, raising concerns among the public and researchers alike. However, officials have confirmed that this ...