Kansas earthquakes

M2.5 earthquake 4 km SSE of Harper, Kansas

A magnitude 2.5 earthquake struck 4 km SSE of Harper, Kansas on Sat, Feb 21, 2015, 11:55 PM CST (05:55 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.9 4 km E of Pond Creek, Oklahoma. This one was a foreshock.

Harper 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 (mb_lg), micro
Local time: Sat, Feb 21, 2015, 11:55 PM CST
UTC: 2015-02-22 05:55:00 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 37.251° N, 98.011° W
Region: Kansas
Felt reports: 3
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

3 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 3.6 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.11
Depth from: OPERATOR_ASSIGNED
Station coverage gap: 112°
Stations used: 36

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.

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000tsdd (also filed as ismpkansas70077763). Read Tue, Sep 22, 2026, 9:28 PM UTC.