M2.7 earthquake 5 km W of Lucien, Oklahoma

A magnitude 2.7 earthquake struck 5 km W of Lucien, Oklahoma on Sat, Sep 19, 2015, 2:50 AM CDT (07:50 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.9 7 km WSW of Langston, Oklahoma. This one was a foreshock.

Map

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

2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Reviewed by a seismologist.

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

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

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event us20003mhd. Read Tue, Sep 22, 2026, 5:04 AM UTC.