Oklahoma earthquakes

M2.8 earthquake 1 km S of Chester, Oklahoma

A magnitude 2.8 earthquake struck 1 km S of Chester, Oklahoma on Sat, Sep 29, 2018, 8:11 AM CDT (13:11 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 1 km WNW of Chester, Oklahoma. This one was a foreshock.

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

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The earthquake

Magnitude
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2018-09-29 13:11:02 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
36.207° N, 98.919° W
Region
Oklahoma
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.5 km horizontally, 4.7 km in depth
Station coverage gap
87°
Stations used
100

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 13 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000h49d. Read Thu, Oct 1, 2026, 6:13 AM UTC.