M2.8 earthquake 16 km NNE of Morrison, Oklahoma

A magnitude 2.8 earthquake struck 16 km NNE of Morrison, Oklahoma on Thu, Sep 6, 2018, 1:40 AM CDT (06:40 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.3 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: 63 in the 60 days after this one and 16 in the 30 days before it.

The first 60 of 63.

From the USGS Earthquake Hazards Program and its partner networks, event us2000h961. Read Tue, Sep 22, 2026, 12:12 AM UTC.