Mount Rainier’s seismic sensors showed unusual activity for several days, prompting widespread attention online, but experts told KIRO 7 News the readings came from a malfunctioning instrument rather ...

For many, the word “eruption” brings to mind 1980 when Mount Saint Helens demonstrated that the Washington Cascades are one of the most volcanically active parts of the country. Mount Saint Helens, ...

Mount Rainier (Figure 2.1) is one of about two dozen recently active volcanoes in the Cascade Range, a volcanic arc formed by subduction of the Juan de Fuca plate beneath the North American plate.

SEATTLE — No, there is not increased activity at Mount Rainier, despite a national headline Wednesday morning claiming there is an uptick in seismic activity happening on the mountain. The Daily Mail ...

Scientists have recorded the "largest" earthquake swarm at Mount Rainier in Washington state since 2009, the U.S. Geological Survey reported. The swarm at the second-most seismically active volcano in ...

Tigard mayor admits city has no backup plan after voters reject $150M public safety bond Tigard city leaders are reassessing how to address aging police facilities after voters overwhelmingly rejected ...

View of Mount Rainier from Pinnacle Peak trail in Mount Rainier National Park, Washington State, USA. (Photo by Wolfgang Kaehler/LightRocket via Getty Images) USGS Volcanoes, a USGS social media ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A "swarm" of earthquakes began at Mount Rainier in Washington in the ...

An outpouring of magma isn’t the biggest risk to people downhill from Mount Rainier. The active volcano’s greatest danger comes from lahars — amalgams of mud, rock and water that are as dense as wet ...

The previous chapters reviewed the hazards to property and life from Mount Rainier and outlined research needed to provide for better understanding of their nature and frequency of occurrence. This ...