Mount Rainier is considered an active volcano and has not had a significant eruption in the past 500 years. However, it is ...

The Pacific Northwest Seismic Network recorded hundreds of small earthquakes at Mt. Rainier on Tuesday morning. The US ...

The quakes began just before 1:30 a.m. on Tuesday, according to the Geological Survey at the Cascade Volcano Observatory.

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...

Lava spewed from Hawaii’s Kilauea Volcano on Sunday, June 29, as it entered Episode 27 of its ongoing eruptive phase, the US ...

While considered an active volcano, Mount Rainier hasn’t erupted in at least a century, possibly much longer. The U.S ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

Earthquakes are common at Mount Rainier, happening about nine times every month, the agency said. Swarms of earthquakes ...

Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier but say there is ...

An increase in seismicity—marked by frequent tremors—was observed recently at Alaska's Iliamna Volcano, which last erupted in ...

One of the most famous mountains in Washington, Mount Rainier, has been rumbling over the last day due to the amplified ...

The Kilauea volcano eruption sent lava fountains soaring up to 1,000ft into the sky in Hawaii. Authorities confirmed that the powerful new episode of the ongoing blast at the volcano's summit began ...