M1.6 earthquake 9 km SE of Chickasha, Oklahoma

A magnitude 1.6 earthquake struck 9 km SE of Chickasha, Oklahoma on Sat, Jul 9, 2022, 9:06 PM CDT (02:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.9 11 km ESE of Chickasha, Oklahoma. This one was a foreshock.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
1.63	ML, local (Richter)	Oklahoma Geological Survey	Preferred · Confirmed · ±0.21 · 6 stations
1.5	ML, local (Richter)	USGS National Earthquake Information Center	Reviewed · ±0.074 · 24 stations

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak 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: 32 in the 60 days after this one and 6 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event ok2022njht (also filed as us6000iach). Read Thu, Oct 1, 2026, 11:17 AM UTC.