Earthquake Hazard Maps

Seismic Hazards

A new analysis of the Seattle area’s risk during a major earthquake has found new locations at higher potential for violent shaking. Highlighted in dark red, the Interbay area between Magnolia and Queen Anne along with northern Montlake and the University Village area are now considered at high risk for strong ground shaking in a quake.

Scientists at the U.S. Geological Survey, working with colleagues at the University of Washington, performed a massive data-crunching exercise using multiple computers to arrive at the new “Seattle Urban Seismic Hazard Map.

Seattle Seismic Hazard Map

Washington State Earthquake Hazard Map

Seattle Fault Lines

552 - Hood Canal fault zone (Class B)
570 - Seattle fault zone
572 - Southern Whidbey Island fault zone
575 - Saddle Mountain faults
581 - Tacoma fault zone

USA Earthquake Hazard Map

Source: United States Geological Survey

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