Kansas earthquakes

M2.5 earthquake 8 km ENE of Caldwell, Kansas

A magnitude 2.5 earthquake struck 8 km ENE of Caldwell, Kansas on Sun, Sep 27, 2015, 8:39 PM CDT (01:39 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.0 6 km NE of Medford, Oklahoma. This one was a foreshock.

Caldwell forecast More in Kansas

Map

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

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The earthquake

Magnitude: 2.5 (ml), micro
Local time: Sun, Sep 27, 2015, 8:39 PM CDT
UTC: 2015-09-28 01:39:50 UTC
Depth: 6.1 km (3.8 mi), shallow
Epicenter: 37.062° N, 97.518° W
Region: Kansas
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 1.4 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.20
Station coverage gap: 108°
Stations used: 42

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 us10003ij9 (also filed as ismpkansas70139268, ismpkansas70139268). Read Tue, Sep 22, 2026, 10:32 PM UTC.