Kansas earthquakes

M2.7 earthquake 6 km SSW of Harper, Kansas

A magnitude 2.7 earthquake struck 6 km SSW of Harper, Kansas on Sun, Jul 12, 2015, 9:44 PM CDT (02:44 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M3.3 4 km SW of Renfrow, Oklahoma. 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: 2.7 (mb_lg), micro
Local time: Sun, Jul 12, 2015, 9:44 PM CDT
UTC: 2015-07-13 02:44:09 UTC
Depth: 5.5 km (3.4 mi), shallow
Epicenter: 37.231° N, 98.052° W
Region: Kansas
Felt reports: 2
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.5 km horizontally, 4.7 km in depth
Magnitude uncertainty: ±0.07
Depth from: From location
Station coverage gap: 49°
Stations used: 62

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 us20002x1g (also filed as ismpkansas70120898). Read Tue, Sep 22, 2026, 11:34 AM UTC.