Seismologists have counted nine earthquakes in the Washington Cascades, in addition to the 3.5-magnitude event that happened near North Bend on Monday.
in suburban Richmond about 100 miles southeast of Washington, D.C. Its magnitude was given as 2.8 on the earthquake monitoring scale — weak but apparently strong enough to be felt by several ...
Twenty years later, this disaster serves as a reminder about earthquake and tsunami readiness in Western Washington. Earthquakes are no-notice events. Unlike significant hazardous weather events ...
Some commuter rail systems in Southern California use ShakeAlert to automatically slow trains, and one school district in Washington sends earthquake alerts through its public address system.