The ground beneath the United States is never truly still. S. could experience potentially damaging earthquakes and intense ground shaking, putting hundreds of millions of people at risk, according to ...
After more than 300 years of quiet, the Cascadia Subduction Zone is on the verge of releasing immense energy. This underwater ...
At 10:54 a.m. on Wednesday, February 28, 2001, western Washington was rocked by a powerful earthquake. Thurston County was heavily impacted.