M3.7 earthquake 10 km NE of Anoka, Nebraska
A magnitude 3.7 earthquake struck 10 km NE of Anoka, Nebraska on Fri, Jun 4, 2021, 10:25 AM CDT (15:25 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mwr), minor
- Local time
- UTC
- 2021-06-04 15:25:00 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 43.008° N, 98.733° W
- Region
- Nebraska
- Felt reports
- 64
- Strongest shaking
- V, moderate 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
- V, moderate shaking
- Peak ground acceleration
- 13.8% of gravity
- Peak ground velocity
- 0.9 cm/s
- Map
- Automatic
Did you feel it?
64 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.
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
| Range | Chance |
|---|---|
| Under 1 | 69% |
| 1 to 10 | 29% |
| 10 to 100 | 2% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
| Range, million USD | Chance |
|---|---|
| Under 1 | 65% |
| 1 to 10 | 30% |
| 10 to 100 | 4% |
| 100 to 1,000 | Under 1% |
| 1,000 to 10,000 | Under 1% |
| 10,000 to 100,000 | Under 1% |
| 100,000 to 10,000,000 | Under 1% |
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
- 3.7 Mwr
- Nodal plane 1
- Strike 203°, dip 65°, rake -40°
- Nodal plane 2
- Strike 313°, dip 54°, rake -149°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.2 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 51°
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayNebraska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000e9qy. Read Tue, Sep 22, 2026, 8:20 AM UTC.