Kansas earthquakes

M2.8 earthquake 4 km SW of Harper, Kansas

A magnitude 2.8 earthquake struck 4 km SW of Harper, Kansas on Mon, Mar 2, 2015, 11:10 PM CST (05:10 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 8 km E of Byron, 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: 2.8 (mb_lg), micro
Local time: Mon, Mar 2, 2015, 11:10 PM CST
UTC: 2015-03-03 05:10:22 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 37.263° N, 98.068° 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 2.6 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.07
Depth from: OPERATOR_ASSIGNED
Station coverage gap: 65°
Stations used: 56

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 usc000tuke (also filed as ismpkansas70079878). Read Tue, Sep 22, 2026, 9:15 PM UTC.