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

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

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

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

Mount Rainier is an active stratovolcano 45 miles southeast of Tacoma and 60 miles south-southeast of Seattle. Its last ...

However, a team of scientists recently found magma chambers lurking beneath six volcanoes in the Cascade Range.

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

This month we'll take a tour of the Cascade Range volcanoes, all located along the western edge of North America. Some will be very familiar but others are hidden gems (and dangers) of the Pacific ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.