Kansas earthquakes

M2.6 earthquake 3 km E of Milan, Kansas

A magnitude 2.6 earthquake struck 3 km E of Milan, Kansas on Tue, Dec 29, 2015, 11:46 AM CST (17:46 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 7 km NNE of Nash, Oklahoma. This one was a foreshock.

Conway Springs forecast More in Kansas

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 2.6 (ML, local (Richter)), micro
Magnitude from: USGS National Earthquake Information Center
Local time: Tue, Dec 29, 2015, 11:46 AM CST
UTC: 2015-12-29 17:46:14 UTC
Depth: 5.8 km (3.6 mi), shallow
Epicenter: 37.264° N, 97.635° W
Region: Kansas
Felt reports: 3
Tsunami flag: No
Status: Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
2.6	ML, local (Richter)	USGS National Earthquake Information Center	Preferred · Reviewed · ±0.138 · 22 stations
2.55	ML, local (Richter)	ISMPKANSAS	Final · ±0.138 · 22 stations

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 2.1 km horizontally, 6.3 km in depth
Magnitude uncertainty: ±0.14
Station coverage gap: 97°
Stations used: 37

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 199 in the 60 days after this one and 151 in the 30 days before it.

After

The first 60 of at least 199.

Before

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10004a9a (also filed as ismpkansas70164218). Read Fri, Oct 2, 2026, 4:18 PM UTC.