Nebraska earthquakes

M3.8 earthquake 8 km WSW of Superior, Nebraska

A magnitude 3.8 earthquake struck 8 km WSW of Superior, Nebraska on Sun, Jul 17, 2022, 7:51 AM CDT (12:51 UTC), 3 km (2 mi) below the surface.

Superior forecastMore in Nebraska

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
UTC
2022-07-17 12:51:41 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
39.989° N, 98.163° W
Region
Nebraska
Felt reports
149
Strongest shaking
V, moderate 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
V, moderate shaking
Peak ground acceleration
19.8% of gravity
Peak ground velocity
2.8 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

149 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
Normal
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 337°, dip 42°, rake -77°
Nodal plane 2
Strike 140°, dip 49°, rake -101°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.06
Depth from
From moment tensor inversion
Station coverage gap
25°
Stations used
90

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 3.48 km WSW of Superior, Nebraska · 1519 days ago · 5 km deep · 1 km away · felt by 12
  2. 2.66 km WNW of Cawker City, Kansas · 1491 days ago · 5 km deep · 57 km away
  3. 2.75 km WNW of Cawker City, Kansas · 1486 days ago · 5 km deep · 58 km away · felt by 7

Before

  1. 2.513 km N of Cawker City, Kansas · 1558 days ago · 5 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000i38f. Read Tue, Sep 22, 2026, 4:16 PM UTC.