Washington earthquakes

M2.8 earthquake 12 km NNE of Concrete, Washington

A magnitude 2.8 earthquake struck 12 km NNE of Concrete, Washington on Fri, Jun 11, 2004, 1:28 PM PDT (20:28 UTC), -1 km (-1 mi) below the surface.

Concrete 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
2.8 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2004-06-11 20:28:49 UTC
Depth
-1.1 km (-0.7 mi), shallow
Epicenter
48.632° N, 121.656° W
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

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.ScaleComputed byNotes
2.8Md, durationPacific Northwest Seismic NetworkPreferred · Final · ±0.05 · 11 stations
2.8Md, durationUSGS National Earthquake Information CenterReviewed

What happened

The USGS’s account of the effects of this earthquake.

no people dead or missing; no people injured; no buildings damaged or destroyed

From the USGS event page for uw10609348. U.S. Geological Survey text and figures are in the public domain.

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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
159°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 3 in the 30 days before it.

After

Before

Earthquakes todayWashington earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10609348 (also filed as usp000cxqb). Read Fri, Oct 2, 2026, 9:33 PM UTC.