M1.9 earthquake 14 km W of Klamath Falls, Oregon

A magnitude 1.9 earthquake struck 14 km W of Klamath Falls, Oregon on Sat, Dec 4, 1993, 3:40 PM PST (23:40 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.3 12 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: 201 in the 60 days after this one and 43 in the 30 days before it.

The first 60 of 201.

From the USGS Earthquake Hazards Program and its partner networks, event uw10317818 (also filed as usp00064p0). Read Wed, Sep 30, 2026, 5:42 PM UTC.