Kansas earthquakes

M2.6 earthquake 10 km N of Harper, Kansas

A magnitude 2.6 earthquake struck 10 km N of Harper, Kansas on Fri, Sep 7, 2018, 2:35 PM CDT (19:35 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.7 7 km E of Freeport, Kansas. This one was a foreshock.

Harper 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: 2.6 (mb_lg), micro
Local time: Fri, Sep 7, 2018, 2:35 PM CDT
UTC: 2018-09-07 19:35:50 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 37.378° N, 98.029° 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 1.7 km horizontally, 1.6 km in depth
Magnitude uncertainty: ±0.29
Depth from: Operator assigned
Station coverage gap: 138°
Stations used: 40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 68 in the 60 days after this one and 68 in the 30 days before it.

After

The first 60 of 68.

Before

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000ham7 (also filed as ismpkansas70250638). Read Tue, Sep 22, 2026, 5:02 AM UTC.