Washington earthquakes

M2.0 earthquake 5 km W of Orcas, Washington

A magnitude 2.0 earthquake struck 5 km W of Orcas, Washington on Tue, Mar 9, 1976, 5:28 PM PST (01:28 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.1 6 km NW of Orcas, Washington. This one was a foreshock.

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

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The earthquake

Magnitude
2.0 (md), micro
Local time
UTC
1976-03-10 01:28:02 UTC
Depth
10.4 km (6.5 mi), shallow
Epicenter
48.605° N, 123.017° 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 1.2 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
195°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10840853. Read Tue, Sep 22, 2026, 4:15 PM UTC.