Kansas earthquakes

M3.9 earthquake 5 km NNE of Danville, Kansas

A magnitude 3.9 earthquake struck 5 km NNE of Danville, Kansas on Thu, Aug 30, 2018, 3:37 PM CDT (20:37 UTC), 5 km (3 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: 3.9 (Mwr, regional moment), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Thu, Aug 30, 2018, 3:37 PM CDT
UTC: 2018-08-30 20:37:08 UTC
Depth: 5.0 km (3.1 mi), shallow
Epicenter: 37.336° N, 97.865° W
Region: Kansas
Felt reports: 28
Strongest shaking: IV, light shaking
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
Peak ground acceleration: 1337.0% of gravity
Peak ground velocity: 1.9 cm/s
Map: Automatic

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

Did you feel it?

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

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

Fault motion and ground failure

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

Faulting: Oblique normal
Moment magnitude: 3.9 Mwr
Nodal plane 1: Strike 107°, dip 67°, rake -57°
Nodal plane 2: Strike 228°, dip 40°, rake -142°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 2.6 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 60°
Stations used: 58

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 45 in the 30 days before it.

After

The first 60 of 96.

Before

Earthquakes today Kansas earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000h5nn. Read Thu, Oct 1, 2026, 3:15 PM UTC.