M2.5 earthquake 22 km SSW of Chiloquin, Oregon

A magnitude 2.5 earthquake struck 22 km SSW of Chiloquin, Oregon on Tue, Sep 21, 1993, 4:45 PM PDT (23:45 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 22 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: 128 in the 60 days after this one and 71 in the 30 days before it.

The first 60 of 128.

From the USGS Earthquake Hazards Program and its partner networks, event usp00060tu. Read Tue, Sep 22, 2026, 11:27 PM UTC.