Oregon earthquakes

M1.6 earthquake 7 km N of Scotts Mills, Oregon

A magnitude 1.6 earthquake struck 7 km N of Scotts Mills, Oregon on Wed, Aug 25, 1982, 2:27 AM PDT (09:27 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.0 29 km NNE of Detroit, Oregon. 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
1.6 (md), micro
Local time
UTC
1982-08-25 09:27:10 UTC
Depth
24.2 km (15.1 mi), shallow
Epicenter
45.110° N, 122.683° W
Region
Oregon
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 2.2 km horizontally, 2.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
210°, poorly surrounded by stations
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10145113. Read Tue, Sep 22, 2026, 7:39 PM UTC.