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

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 ...

Ice buildup on an antenna at Mount Rainier has led to false reports of increased tremor activity, according to the Pacific Northwest Seismic Network (PNSN). The signal is actually radio interference ...

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington’s Mount Rainier but say there is no indication that the cluster of quakes is cause for ...

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 ...

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 ...

It seems that there have been a lot of earthquakes recently. And ever since I was in second grade, people have insisted the Pacific Northwest was due for “The Big One.” Will we be hit soon? What do we ...

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 ...