A new seismic station was installed in August 2025 on Burley Mountain, near Mount Rainier. After a swarm of earthquakes ...

Seismometers at Mount Rainier recorded a 72-hour burst of underground vibrations starting November 15, 2025, around 5 a.m. ET, relevant to the Seattle–Tacoma area. The Mount Rainier tremor follows ...

A Graham farm helped detect Mount Rainier's largest earthquake swarm. It hosts one of about 650 seismic stations operated by the Pacific Northwest Seismic Network. The PNSN relies on public and ...

Mount Rainier is not getting ready to erupt, but scientists at the Pacific Northwest Seismic Network might blow their stacks over having to respond to a rumor about increased tremor activity at the ...

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 ...

The earthquake was centered about 13 miles from Packwood, which is nearly 80 miles southeast from Olympia. The U.S. Geological Survey reports it was a shallow quake, at just 2.2 kilometers deep. The ...

No, there was no “eruption threat” or sudden seismic tremor activity at Mount Rainier. But there is an eruption of backlash for an article that stoked fears with some faulty reporting. If you were ...

Outdoors at a Graham farm and enclosed within a small padlocked gate for protection from meddling cattle, an antenna mast roughly 12 feet tall stands behind a weathered equipment-cabinet and a silver ...

The Daily Mail reported Mount Rainier has shown unusual seismic activity over three days. However, the active stratovolcano is behaving normally, according to a monitoring group. PNSN cited ...