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

The Kamchatka Peninsula witnessed a series of earthquakes on July 20. Located at the intersection of tectonic plates, the ...

A 7.3 magnitude earthquake struck off the coast of Alaska on July 16, 2025. While significant, the 1964 Prince William Sound ...

Mount Rainier is rattling with the most powerful earthquake swarm scientists have ever recorded at the volcano. Why it matters: Rainier's reputation as the Cascades' most dangerous volcano means even ...

Earth's continents may look fixed on a globe, but they've been drifting, splitting and reforming over billions of years—and they still are. Our new study reveals fresh evidence of rhythmic pulses of ...

A powerful 7.3-magnitude earthquake struck Alaska on Wednesday, unleashing seismic shockwaves that raced through the Earth's ...

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the ...

The volcano last erupted in 2015, producing 450-foot-thick lava flows, but because of its remote location, it is not a threat ...

Kamchatka: A series of strong earthquakes struck off the coast of Russia’s far eastern Kamchatka Peninsula on Sunday, July 20 ...

Volcanoes across several US states have recently become active, while no immediate danger is reported, experts remain ...

In a new study, published July 18 in the high impact journal Science Advances, Western engineering professor Bing Li and his ...