Kansas earthquakes

M3.7 earthquake 3 km WSW of Freeport, Kansas

A magnitude 3.7 earthquake struck 3 km WSW of Freeport, Kansas on Sun, Mar 16, 2014, 3:46 AM CDT (08:46 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.9 4 km ENE of Hunter, 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
3.7 (mwr), minor
Local time
UTC
2014-03-16 08:46:20 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
37.192° N, 97.899° W
Region
Kansas
Felt reports
25
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?

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

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

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
Strike-slip
Moment magnitude
3.7 Mwr
Nodal plane 1
Strike 94°, dip 65°, rake -20°
Nodal plane 2
Strike 193°, dip 72°, rake -154°

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.05
Depth from
FROM_LOCATION
Station coverage gap
47°
Stations used
119

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 89 in the 60 days after this one and 28 in the 30 days before it.

After

The first 60 of 89.

Before

Earthquakes todayKansas earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usc000nd9r. Read Tue, Sep 22, 2026, 4:03 PM UTC.