Kansas earthquakes

M3.3 earthquake 5 km WSW of Bluff City, Kansas

A magnitude 3.3 earthquake struck 5 km WSW of Bluff City, Kansas on Fri, Sep 11, 2015, 7:55 PM CDT (00:55 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.4 12 km ENE of Nash, Oklahoma. This one was a foreshock.

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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: 3.3 (ml), minor
Local time: Fri, Sep 11, 2015, 7:55 PM CDT
UTC: 2015-09-12 00:55:33 UTC
Depth: 6.3 km (3.9 mi), shallow
Epicenter: 37.059° N, 97.932° W
Region: Kansas
Felt reports: 4
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

4 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 2.1 km horizontally, 4.8 km in depth
Magnitude uncertainty: ±0.22
Station coverage gap: 126°
Stations used: 31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 202 in the 60 days after this one and at least 200 in the 30 days before it.

After

The first 60 of at least 202.

Before

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003iwg (also filed as ismpkansas70134893). Read Tue, Sep 29, 2026, 9:56 PM UTC.