The best time to visit Mount Rainier National Park is from July to August at the height of the Pacific Northwest summer.

No, there is not increased activity at Mount Rainier, despite a national headline Wednesday morning claiming there is an ...

Mount Rainier, the active stratovolcano that experienced an unusual but benign swarm of tiny earthquakes this past summer, isn’t suddenly showing seismic-tremor activity despite a recent news report ...

Mount Rainier looms over the Pacific Northwest, its snow-capped summit visible from Seattle on clear days. At 14,411 feet, ...

Mount Rainer, the active stratovolcano located in Washington state, is likely shrinking due to climate change, according to new research.

Researchers detected the largest Mount Rainier earthquake swarm on record. Over 400 small quakes have been located as of Friday and many more have been detected. The temblors have shown no evidence ...

According to the new paper, Mount Rainier’s highest point is a fraction of an inch below 14,400 feet, or 10 feet below the U.S. Geological Survey’s longstanding official measurement of 14,410 feet.

The tremors recorded at Mount Rainier since Saturday have been unprecedented, with seismometers capturing high-energy seismic signals that indicate volcanic activity rather than typical tectonic ...

MOUNT RAINIER, Wash. - A new study has revealed that Mount Rainier is experiencing a significant reduction in size due to shifting climate patterns.