Oregon earthquakes

M5.1 earthquake 20 km WNW of Klamath Falls, Oregon

A magnitude 5.1 earthquake struck 20 km WNW of Klamath Falls, Oregon on Sat, Dec 4, 1993, 2:15 PM PST (22:15 UTC), 5 km (3 mi) below the surface.

Klamath Falls forecast More in Oregon

Map

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

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The earthquake

Magnitude: 5.1 (md), moderate
Local time: Sat, Dec 4, 1993, 2:15 PM PST
UTC: 1993-12-04 22:15:19 UTC
Depth: 4.8 km (3.0 mi), shallow
Epicenter: 42.291° N, 122.009° W
Region: Oregon
Strongest shaking: VI, strong shaking
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: VI, strong shaking
Peak ground acceleration: 21.4% of gravity
Peak ground velocity: 2.9 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.5 km horizontally, 0.6 km in depth
Magnitude uncertainty: ±0.04
Depth from: From location
Station coverage gap: 113°
Stations used: 126

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 174 in the 60 days after this one and 8 in the 30 days before it.

After

The first 60 of 174.

Before

Earthquakes today Oregon earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10316468 (also filed as gcmtb120493d, usp00064nr, gcmt19931204221519, ci3134819, iscgem192016, atlas19931204221519). Read Tue, Sep 22, 2026, 8:30 AM UTC.