Kansas earthquakes

M3.5 earthquake 3 km NE of Eastborough, Kansas

A magnitude 3.5 earthquake struck 3 km NE of Eastborough, Kansas on Sun, Mar 14, 2021, 6:08 PM CDT (23:08 UTC), 5 km (3 mi) below the surface.

Eastborough forecastMore in Kansas

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.5 (Mwr, regional moment), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2021-03-14 23:08:31 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.713° N, 97.235° W
Region
Kansas
Felt reports
1,765
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
8.1% of gravity
Peak ground velocity
0.4 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

1,765 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
Strike-slip
Moment magnitude
3.5 Mwr
Nodal plane 1
Strike 112°, dip 66°, rake -25°
Nodal plane 2
Strike 212°, dip 67°, rake -154°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
59°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 1.83 km NNE of Eastborough, Kansas · 2028 days ago · 5 km deep · 1 km away · felt by 41
  2. 2.03 km NE of Eastborough, Kansas · 2028 days ago · 5 km deep · 0 km away · felt by 84
  3. 3.13 km NE of Eastborough, Kansas · 2028 days ago · 5 km deep · 0 km away · felt by 291
  4. 3.24 km NE of Eastborough, Kansas · 2028 days ago · 5 km deep · 0 km away · felt by 590
  5. 1.75 km NE of Eastborough, Kansas · 2027 days ago · 5 km deep · 2 km away · felt by 4
  6. 2.33 km ENE of Eastborough, Kansas · 2027 days ago · 5 km deep · 1 km away · felt by 44
  7. 1.96 km N of Nardin, Oklahoma · 2015 days ago · 4 km deep · 97 km away
  8. 2.23 km SE of McConnell AFB, Kansas · 2010 days ago · 5 km deep · 12 km away · felt by 18
  9. 1.94 km NE of Eastborough, Kansas · 1987 days ago · 5 km deep · 1 km away · felt by 5

Before

  1. 2.43 km NE of Eastborough, Kansas · 2029 days ago · 5 km deep · 0 km away · felt by 27
  2. 3.01 km N of Eastborough, Kansas · 2029 days ago · 5 km deep · 3 km away · felt by 240
  3. 3.55 km NE of Eastborough, Kansas · 2029 days ago · 5 km deep · 1 km away · felt by 1,294
  4. 3.43 km NE of Eastborough, Kansas · 2029 days ago · 5 km deep · 0 km away · felt by 426
  5. 1.77 km N of Nardin, Oklahoma · 2035 days ago · 8 km deep · 95 km away
  6. 2.46 km NNE of Norwich, Kansas · 2045 days ago · 5 km deep · 56 km away
  7. 2.57 km NE of Norwich, Kansas · 2045 days ago · 5 km deep · 54 km away · felt by 10
  8. 1.77 km NE of Nardin, Oklahoma · 2055 days ago · 5 km deep · 97 km away
  9. 2.47 km NE of Partridge, Kansas · 2056 days ago · 5 km deep · 77 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000djda. Read Sat, Oct 3, 2026, 9:28 AM UTC.