Oregon earthquakes

M3.0 earthquake 22 km WNW of Klamath Falls, Oregon

A magnitude 3.0 earthquake struck 22 km WNW of Klamath Falls, Oregon on Tue, Sep 21, 1993, 5:45 PM PDT (00:45 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.3 14 km WNW of Klamath Falls, 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
3.0 (md), minor
Local time
UTC
1993-09-22 00:45:22 UTC
Depth
-0.3 km (-0.2 mi), shallow
Epicenter
42.322° N, 122.028° 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 1.1 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
129°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 128 in the 60 days after this one and 71 in the 30 days before it.

After

The first 60 of 128.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10314423 (also filed as usp00060tx). Read Tue, Sep 22, 2026, 12:11 PM UTC.