Oklahoma earthquakes

M3.2 earthquake 5 km NE of Medford, Oklahoma

A magnitude 3.2 earthquake struck 5 km NE of Medford, Oklahoma on Sat, May 23, 2015, 5:46 AM CDT (10:46 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 4 km SW of Stillwater, Oklahoma. This one was a foreshock.

Medford forecastMore in Oklahoma

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.2 (mwr), minor
Local time
UTC
2015-05-23 10:46:42 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
36.849° N, 97.697° W
Region
Oklahoma
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

4 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Strike-slip
Moment magnitude
3.2 Mwr
Nodal plane 1
Strike 147°, dip 81°, rake -4°
Nodal plane 2
Strike 238°, dip 86°, rake -171°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.3 km horizontally, 7.2 km in depth
Magnitude uncertainty
±0.04
Station coverage gap
40°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

Earthquakes todayOklahoma earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10002bta. Read Tue, Sep 22, 2026, 8:49 AM UTC.