M1.8 earthquake 25 km SW of Chiloquin, Oregon

A magnitude 1.8 earthquake struck 25 km SW of Chiloquin, Oregon on Fri, Apr 15, 1994, 5:35 AM PDT (12:35 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M1.9 24 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: 54 in the 60 days after this one and 53 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event uw10344803. Read Wed, Sep 23, 2026, 5:19 AM UTC.