A series of earthquakes has rattled the Pacific Northwest in recent weeks, raising concerns. A local expert says it's nothing ...

This earthquake is larger than much of the recent seismic activity around western Washington, per initial reports.

Earthquakes occur along fault lines between continental plates, where one plate is diving beneath another. Pressure builds between each plate, called fault stress. When this stress builds enough to ...

The state has the second highest risk in the U.S. of experiencing a large and damaging earthquake because of its geologic setting. The Pacific Northwest typically experiences three types of ...