Washington earthquakes

M1.8 earthquake 17 km SSE of Darrington, Washington

A magnitude 1.8 earthquake struck 17 km SSE of Darrington, Washington on Wed, Nov 3, 1976, 8:58 PM PST (04:58 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.4 16 km SE of Skykomish, 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
1.8 (md), micro
Local time
UTC
1976-11-04 04:58:29 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
48.114° N, 121.508° 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 2.3 km horizontally, 6.7 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
206°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10842503. Read Tue, Sep 22, 2026, 9:41 PM UTC.