Kansas earthquakes

M3.8 earthquake 9 km SE of Harper, Kansas

A magnitude 3.8 earthquake struck 9 km SE of Harper, Kansas on Tue, Sep 30, 2014, 9:55 AM CDT (14:55 UTC), 3 km (2 mi) below the surface.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.8 (mwr), minor
Local time: Tue, Sep 30, 2014, 9:55 AM CDT
UTC: 2014-09-30 14:55:04 UTC
Depth: 3.2 km (2.0 mi), shallow
Epicenter: 37.221° N, 97.963° W
Region: Kansas
Felt reports: 65
Strongest shaking: IV, light shaking
PAGER alert: Green
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: IV, light shaking
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

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

Estimated impact

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Alert level: Green: little or no damage or loss of life expected

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Normal
Moment magnitude: 3.8 Mwr
Nodal plane 1: Strike 87°, dip 34°, rake -67°
Nodal plane 2: Strike 241°, dip 59°, rake -105°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 2.3 km horizontally, 7.7 km in depth
Magnitude uncertainty: ±0.06
Depth from: FROM_LOCATION
Station coverage gap: 86°
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 usb000shc5 (also filed as ismpkansas70037178). Read Tue, Sep 22, 2026, 6:36 AM UTC.