The Puget Sound region is built on two prominent fault lines — the Seattle and Tacoma Faults. Damage to the Washington Federal Savings building in Olympia following the 2001 Nisqually earthquake.

Washington is home to dozens of active faults and fault zones, including beneath major cities like Seattle and Tacoma, leading to occasional earthquakes. While these quakes may not be as powerful ...

Dozens of active faults and fault zones lie beneath Washington, including under major cities like Seattle and Tacoma, which leads to earthquakes happening occasionally. READ MORE: Chase Bank to ...

The city of Tacoma wouldn’t have power for quite some ... or the Cascadia subduction zone, fault. “That plate-boundary fault is normally locked, and stresses build up, and then when it lets ...