Oregon earthquakes

M2.5 earthquake 19 km WNW of Klamath Falls, Oregon

A magnitude 2.5 earthquake struck 19 km WNW of Klamath Falls, Oregon on Wed, Sep 22, 1993, 9:36 AM PDT (16:36 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.9 20 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
2.5 (md), micro
Local time
UTC
1993-09-22 16:36:24 UTC
Depth
-0.1 km (-0.0 mi), shallow
Epicenter
42.287° N, 122.007° 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 1.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
179°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 107 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of 107.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10314938 (also filed as usp00060vn). Read Tue, Sep 22, 2026, 11:12 AM UTC.