Kansas earthquakes

M3.4 earthquake 5 km E of Harper, Kansas

A magnitude 3.4 earthquake struck 5 km E of Harper, Kansas on Wed, Sep 13, 2017, 11:14 PM CDT (04:14 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.7 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: 3.4 (ml), minor
Local time: Wed, Sep 13, 2017, 11:14 PM CDT
UTC: 2017-09-14 04:14:41 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 37.279° N, 97.967° W
Region: Kansas
Felt reports: 11
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

11 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 2.8 km horizontally, 6.0 km in depth
Magnitude uncertainty: ±0.11
Station coverage gap: 138°
Stations used: 30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 102 in the 60 days after this one and 72 in the 30 days before it.

After

The first 60 of 102.

Before

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000am4b (also filed as ismpkansas70235183). Read Tue, Sep 22, 2026, 6:54 PM UTC.