M2.5 earthquake 3 km WSW of Concrete, Washington

A magnitude 2.5 earthquake struck 3 km WSW of Concrete, Washington on Sun, Apr 12, 2026, 4:12 AM PDT (11:12 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.9 2 km ESE of Oak Harbor, Washington. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.5	ML, local (Richter)	Pacific Northwest Seismic Network	Preferred · Final · ±0.13092432519775676 · 27 stations
2.7	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.035 · 110 stations

9 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 8 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw62233217 (also filed as us6000sph2). Read Thu, Oct 1, 2026, 10:44 AM UTC.