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

Episode 28 of the ongoing Halemaʻumaʻu eruption began at 4:10 a.m. on July 9 and is currently exhibiting a vent overflow and ...

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

Mount Rainier experienced a significant earthquake swarm, the largest since 2009, with hundreds of small quakes detected near ...

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

Kīlauea is putting on a show once again. Episode 28 of the ongoing Halemaʻumaʻu eruption began at 4:10 a.m., and is currently ...

MT. RAINIER, Wash. — A swarm of small earthquakes was detected at Mount Rainier Tuesday morning, according to the U.S. Geological Survey Cascades Volcano Observatory (CVO) and the Pacific Northwest ...

In 2014, he started Lanikai Brewing Co. on Oʻahu, and now he is back on the Big Island, set to open on Friday a second ...

A swarm of hundreds of small earthquakes have been detected rumbling deep below Mt. Rainier in Washington State early Tuesday ...

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according ...

Mount Rainier, the active volcano towering above southwestern Washington state, started rumbling — very lightly — on Tuesday.

Some volcanoes erupt without warning. Scientists studying Alaska’s Veniaminof volcano found that warm rock, small magma chambers, and slow flows can mask eruption signs.