Washington earthquakes

M1.5 earthquake 4 km SSE of Mill Plain, Washington

A magnitude 1.5 earthquake struck 4 km SSE of Mill Plain, Washington on Mon, Jul 10, 2000, 5:23 AM PDT (12:23 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 7 km ENE of Government Camp, Oregon. This one was a foreshock.

Mill Plain forecastMore in Washington

Map

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

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
2000-07-10 12:23:59 UTC
Depth
5.4 km (3.4 mi), shallow
Epicenter
45.605° N, 122.461° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.7 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
162°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 0 in the 30 days before it.

After

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10502833. Read Wed, Sep 30, 2026, 4:02 AM UTC.