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

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

Volcanoes in the United States that have been active since spring woke up, brushed themselves off, and then went back to sleep. Two volcanoes, one in Alaska and one in Hawaii, are experiencing active ...

Mount Saint Helens, Mount Adams, Mount Baker, and Glacier Peak are four of the active volcanoes in Washington state. The fifth, located less than 70 miles from Seattle, is Mount Rainier.

Scientists fear Washington’s Mount Rainier could trigger a swift debris flow caused by melting snow and ice. An event could endanger nearby populated areas.

Dozens of flights to and from Indonesia's Bali island were canceled after a volcano belched a colossal ash tower 11 miles ...

A video showing a white plume ominously moving over Mount Rainier on Wednesday sparked concern that the active volcano in Washington state was about to erupt.

SEATTLE (KPTV) - Mount Rainier put on a display Wednesday morning as it seemed to be venting steam. It later turned out to be a cloud, according to officials. The mountain is an active volcano but ...

The United States Geological Survey said Wednesday that fears of an imminent Mount Rainier eruption were unsubstantiated. Reports on social media said steam was "venting" from the volcano, but the ...

An odd-looking cloud formation over Mount Rainier drew curious eyes from social media users Wednesday as the volcano looked as if it was giving a warning before some sort of event, but experts ...

Mount Rainier is a composite volcano in Pierce County, Washington, located 54 miles (87 km) southeast of Seattle, Washington, in the United States. It is the highest peak in the Cascade Range ...