Magnitude 4.2 Earthquake Strikes Off Washington Coast

No tsunami threat or damage reported from early morning offshore tremor

Apr. 12, 2026 at 1:05pm

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A dramatic, atmospheric landscape painting in muted tones of gray, blue, and green, depicting a stormy, turbulent seascape with crashing waves and ominous clouds, conveying the overwhelming power of nature.A powerful offshore earthquake serves as a sobering reminder of the Pacific Northwest's vulnerability to major seismic events.Seattle Today

A magnitude 4.2 earthquake occurred off the coast of Washington state early Sunday morning, with the U.S. Geological Survey confirming the offshore quake posed no tsunami threat and was unlikely to cause significant damage on land.

Why it matters

Earthquakes along the Pacific Northwest's Cascadia subduction zone, even relatively small ones, serve as reminders for coastal residents to be prepared for the possibility of a major seismic event that could generate destructive tsunamis.

The details

The earthquake struck at a depth of 10 kilometers beneath the Pacific Ocean, west of the Olympic Peninsula. Coastal communities may have experienced light shaking, but inland areas including Seattle were unlikely to feel the tremor. Emergency officials reported no infrastructure issues, road impacts, or power disruptions.

  • The earthquake occurred at 4:48 a.m. on Sunday, April 12, 2026.

The players

U.S. Geological Survey

The federal agency responsible for monitoring and reporting on seismic activity in the United States.

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What’s next

Seismic monitoring will continue in the region, and officials say no further advisories or warnings are in effect as of Sunday morning.

The takeaway

This earthquake serves as a reminder for coastal residents to review their emergency preparedness plans and ensure they are ready for the possibility of a major seismic event and potential tsunami in the future.