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

In central Oregon between Crater Lake and the Columbia River Gorge, Bend is a top outdoor destination. Travelers will find ...

Axial Seamount, a submarine volcano 300 miles off the coast of Oregon, could erupt for the first time since 2015, spewing “very fluid lava” into the sea where scientists were recording more ...

About 300 miles off the coast of Oregon, an underwater volcano appears to be rumbling to life.. Scientists who have been monitoring the vast submarine volcano for decades say a flurry of recent ...

The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and 300 miles off the Oregon coast, but it is showing signs it will soon erupt for the first time since 2015.

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

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

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano since 2009.