M2.1 earthquake 15 km ESE of Acme, Washington

A magnitude 2.1 earthquake struck 15 km ESE of Acme, Washington on Sun, Mar 22, 2026, 2:56 PM PDT (21:56 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.7 5 km N of Anacortes, 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
2.07	ML, local (Richter)	Pacific Northwest Seismic Network	Preferred · Final · ±0.11845609591435813 · 8 stations
1.9	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.053 · 46 stations

2 people reported to the USGS what they felt; the strongest reported shaking was II, 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: 12 in the 60 days after this one and 9 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw62228512 (also filed as us6000silb). Read Thu, Oct 1, 2026, 4:59 PM UTC.