The Pacific Northwest Seismic Network confirmed a magnitude 3.5 earthquake struck the region near Coulee City and Grand Coulee Dam...
Pacific Northwest Seismic Network News
A magnitude-4.3 earthquake that rumbled under Washington state’s Cascade Range early Wednesday was “not a great advertisement” for an early...
A magnitude 3.4 earthquake occurred at 2:51 a.m. Wednesday about 10 miles north of Mount St. Helens. The Pacific Northwest...