Kansas earthquakes

M2.8 earthquake 7 km ENE of Caldwell, Kansas

A magnitude 2.8 earthquake struck 7 km ENE of Caldwell, Kansas on Thu, Aug 27, 2015, 6:20 PM CDT (23:20 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 10 km NW of Perry, Oklahoma. This one was a foreshock.

Caldwell forecast More in Kansas

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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), micro
Local time: Thu, Aug 27, 2015, 6:20 PM CDT
UTC: 2015-08-27 23:20:05 UTC
Depth: 5.2 km (3.3 mi), shallow
Epicenter: 37.060° N, 97.527° W
Region: Kansas
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 1.0 km horizontally, 5.9 km in depth
Magnitude uncertainty: ±0.20
Station coverage gap: 106°
Stations used: 36

Nearest places

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

Nearby

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

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us100035ki (also filed as ismpkansas70131443). Read Tue, Sep 22, 2026, 9:02 PM UTC.