M2.9 earthquake 18 km WNW of Klamath Falls, Oregon

A magnitude 2.9 earthquake struck 18 km WNW of Klamath Falls, Oregon on Tue, Sep 21, 1993, 10:50 PM PDT (05:50 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.1 27 km SW of Chiloquin, Oregon. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 119 in the 60 days after this one and 80 in the 30 days before it.

The first 60 of 119.

From the USGS Earthquake Hazards Program and its partner networks, event uw10314513 (also filed as usp00060ud). Read Wed, Sep 23, 2026, 3:34 AM UTC.