M1.6 earthquake 9 km E of Chickasha, Oklahoma

A magnitude 1.6 earthquake struck 9 km E of Chickasha, Oklahoma on Mon, Mar 15, 2021, 2:53 PM CDT (19:53 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 9 km SE of Ratliff City, Oklahoma. 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: 197 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 197.

From the USGS Earthquake Hazards Program and its partner networks, event ok2021fexc. Read Wed, Sep 23, 2026, 2:14 PM UTC.