M2.2 earthquake 27 km SSE of Greenwater, Washington

A magnitude 2.2 earthquake struck 27 km SSE of Greenwater, Washington on Mon, Apr 23, 2001, 8:36 PM PDT (03:36 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.6 3 km SSE of Gleed, 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: 24 in the 60 days after this one and 20 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw10531673. Read Wed, Sep 30, 2026, 9:38 PM UTC.