M2.2 earthquake 4 km N of La Conner, Washington

A magnitude 2.2 earthquake struck 4 km N of La Conner, Washington on Sat, Jun 17, 1978, 5:53 PM PDT (00:53 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.3 Puget Sound region, Washington. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw10847253. Read Thu, Sep 24, 2026, 5:11 AM UTC.