Isla Tortuga was formed relatively recently from a volcano that rose out of the sea floor off Baja California and is home to ...

A string of earthquakes has made some wonder if this enormous West Coast volcano is about to erupt, but here's what seismologists have to say.

An underwater volcano near Tonga revealed how sediment spreads, disrupts marine life, and raises questions about deep-sea ...

An Alaskan volcano that has been inactive for more than 100 years is showing signs of rumbling, according to scientists.

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

The RattleCam is back! For the second year in a row, California Polytechnic State University and Dickinson College are live ...

Mantle plumes were the implicit link in previous studies relating BLOBS to giant volcanic eruptions. Their shape is a bit ...

Hawaiian Volcano Observatory field engineers on July 10, 2025, visited monitoring stations downwind of the Kīlauea summit ...

Hundreds of small earthquakes have rattled Mount Rainier this week in the largest swarm of tremors in more than a decade.

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

If you’ve been following the ongoing episodic summit eruption of Kīlauea volcano on the Big Island, you might have seen the ...