A lava-spewing fissure has opened up along Iceland's Sundhnúkur crater row as the Reykjanes peninsula experiences another ...

Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

What if the most telling indications of an impending volcanic eruption are buried deep under the ocean, or in a fleeting succession of tiny quakes that no one perceives? As volcanoes of the Pacific ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009 ...

CALIPATRIA– A 4.3-magnitude earthquake struck near the Salton Sea early Friday morning, jolting residents and triggering a ...

A significant earthquake swarm was detected beneath Mount Rainier in Washington State, marking the most intense seismic activity in the area since 2009. Over 300 earthquakes have occurred since the ...

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