Nebraska earthquakes

M3.6 earthquake 5 km ESE of Arnold, Nebraska

A magnitude 3.6 earthquake struck 5 km ESE of Arnold, Nebraska on Tue, Jul 3, 2018, 3:15 PM CDT (20:15 UTC), 3 km (2 mi) below the surface.

Arnold 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
3.6 (mwr), minor
Local time
UTC
2018-07-03 20:15:21 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
41.398° N, 100.142° W
Region
Nebraska
Felt reports
6
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
4247.0% of gravity
Peak ground velocity
0.8 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

6 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?

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
3.6 Mwr
Nodal plane 1
Strike 92°, dip 67°, rake -142°
Nodal plane 2
Strike 345°, dip 55°, rake -28°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.3 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
41°
Stations used
169

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.48 km SSE of Arnold, Nebraska · 3001 days ago · 5 km deep · 5 km away · felt by 2
  2. 2.47 km S of Arnold, Nebraska · 2992 days ago · 5 km deep · 6 km away · felt by 3
  3. 2.811 km SE of Arnold, Nebraska · 2990 days ago · 5 km deep · 7 km away · felt by 13
  4. 2.04 km SE of Arnold, Nebraska · 2981 days ago · 5 km deep · 1 km away · felt by 5
  5. 3.67 km SE of Arnold, Nebraska · 2980 days ago · 1 km deep · 2 km away · felt by 8
  6. 2.74 km E of Arnold, Nebraska · 2960 days ago · 5 km deep · 2 km away · felt by 3
  7. 2.66 km SE of Arnold, Nebraska · 2954 days ago · 5 km deep · 2 km away · felt by 4
  8. 2.67 km WSW of Arnold, Nebraska · 2945 days ago · 5 km deep · 11 km away

Before

  1. 2.78 km SE of Arnold, Nebraska · 3003 days ago · 5 km deep · 4 km away · felt by 2
  2. 3.82 km SE of Arnold, Nebraska · 3004 days ago · 5 km deep · 3 km away · felt by 8
  3. 3.98 km SE of Arnold, Nebraska · 3005 days ago · 5 km deep · 4 km away · felt by 41
  4. 3.79 km SE of Arnold, Nebraska · 3005 days ago · 5 km deep · 5 km away · felt by 5
  5. 2.77 km SE of Arnold, Nebraska · 3005 days ago · 5 km deep · 3 km away · felt by 3
  6. 4.15 km SE of Arnold, Nebraska · 3006 days ago · 5 km deep · 2 km away · felt by 47
  7. 2.31 km WNW of Arnold, Nebraska · 3015 days ago · 5 km deep · 7 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000fw8c. Read Tue, Sep 22, 2026, 9:06 AM UTC.