Oregon earthquakes

M2.2 earthquake 23 km WNW of Klamath Falls, Oregon

A magnitude 2.2 earthquake struck 23 km WNW of Klamath Falls, Oregon on Mon, Sep 20, 1993, 9:46 PM PDT (04:46 UTC), -1 km (0 mi) below the surface.

A larger quake followed: M2.7 10 km WSW of Mount Hebron, California. This one was a foreshock.

Klamath Falls forecastMore in Oregon

Map

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

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The earthquake

Magnitude
2.2 (md), micro
Local time
UTC
1993-09-21 04:46:01 UTC
Depth
-0.7 km (-0.4 mi), shallow
Epicenter
42.295° N, 122.047° 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.

Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
287°, poorly surrounded by stations
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 195 in the 60 days after this one and 4 in the 30 days before it.

After

The first 60 of 195.

Before

Earthquakes todayOregon earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10313793. Read Tue, Sep 22, 2026, 9:37 PM UTC.