Oregon earthquakes

M4.1 earthquake 23 km WNW of Klamath Falls, Oregon

A magnitude 4.1 earthquake struck 23 km WNW of Klamath Falls, Oregon on Wed, Sep 22, 1993, 11:21 PM PDT (06:21 UTC), 6 km (3 mi) below the surface.

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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
4.1 (md), light
Local time
UTC
1993-09-23 06:21:10 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
42.304° N, 122.050° 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, 1.9 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
87°
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: 93 in the 60 days after this one and 106 in the 30 days before it.

After

The first 60 of 93.

Before

Earthquakes todayOregon earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10315433 (also filed as usp00060ww). Read Tue, Sep 22, 2026, 4:01 PM UTC.