Washington earthquakes

M1.9 earthquake 23 km E of Kelso, Washington

A magnitude 1.9 earthquake struck 23 km E of Kelso, Washington on Sat, Jul 8, 2006, 10:33 AM PDT (17:33 UTC), 13 km (8 mi) below the surface.

A larger quake followed: M3.8 2 km WNW of Cherry Grove, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
2006-07-08 17:33:17 UTC
Depth
13.4 km (8.3 mi), shallow
Epicenter
46.157° N, 122.602° 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 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
84°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 62 in the 30 days before it.

After

The first 60 of 169.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10695263. Read Sun, Oct 4, 2026, 12:21 AM UTC.