M2.5 earthquake 30 km SW of Chiloquin, Oregon

A magnitude 2.5 earthquake struck 30 km SW of Chiloquin, Oregon on Wed, Sep 22, 1993, 5:21 AM PDT (12:21 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 19 km WNW of Klamath Falls, 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: 112 in the 60 days after this one and 87 in the 30 days before it.

The first 60 of 112.

From the USGS Earthquake Hazards Program and its partner networks, event usp00060v7. Read Tue, Sep 22, 2026, 3:55 PM UTC.