Kansas earthquakes

M3.7 earthquake 6 km SW of Gypsum, Kansas

A magnitude 3.7 earthquake struck 6 km SW of Gypsum, Kansas on Sun, Dec 26, 2021, 4:40 AM CST (10:40 UTC), 5 km (3 mi) below the surface.

Lindsborg 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
3.7 (mwr), minor
Local time
UTC
2021-12-26 10:40:16 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
38.661° N, 97.468° W
Region
Kansas
Felt reports
46
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
7.5% of gravity
Peak ground velocity
0.3 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

46 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
3.7 Mwr
Nodal plane 1
Strike 26°, dip 82°, rake -145°
Nodal plane 2
Strike 290°, dip 55°, rake -10°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.4 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
30°
Stations used
110

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 3.77 km WSW of Gypsum, Kansas · 1730 days ago · 5 km deep · 3 km away · felt by 28
  2. 2.56 km WSW of Gypsum, Kansas · 1730 days ago · 5 km deep · 3 km away
  3. 2.58 km SW of Gypsum, Kansas · 1730 days ago · 5 km deep · 3 km away · felt by 7
  4. 2.84 km SW of Gypsum, Kansas · 1729 days ago · 5 km deep · 2 km away · felt by 3
  5. 2.48 km SW of Gypsum, Kansas · 1726 days ago · 5 km deep · 3 km away · felt by 1
  6. 2.58 km SW of Gypsum, Kansas · 1719 days ago · 5 km deep · 3 km away · felt by 6
  7. 3.14 km ESE of Assaria, Kansas · 1716 days ago · 5 km deep · 8 km away · felt by 28
  8. 1.86 km E of Assaria, Kansas · 1711 days ago · 5 km deep · 6 km away · felt by 1
  9. 2.7Kansas · 1711 days ago · 5 km deep · 4 km away · felt by 3
  10. 3.15 km SW of Gypsum, Kansas · 1711 days ago · 5 km deep · 1 km away · felt by 6
  11. 2.55 km WSW of Gypsum, Kansas · 1706 days ago · 4 km deep · 3 km away · felt by 1
  12. 2.46 km SW of Woodbine, Kansas · 1696 days ago · 5 km deep · 41 km away · felt by 3
  13. 2.55 km WSW of Gypsum, Kansas · 1694 days ago · 5 km deep · 3 km away · felt by 3
  14. 2.56 km ENE of Hope, Kansas · 1692 days ago · 5 km deep · 40 km away · felt by 10
  15. 2.47 km ENE of Hope, Kansas · 1683 days ago · 5 km deep · 41 km away · felt by 5
  16. 2.28 km WSW of Woodbine, Kansas · 1672 days ago · 5 km deep · 39 km away · felt by 3

Before

  1. 2.02 km SSW of Marion, Kansas · 1731 days ago · 5 km deep · 53 km away · felt by 5
  2. 2.74 km E of Assaria, Kansas · 1739 days ago · 5 km deep · 8 km away · felt by 2
  3. 2.66 km WSW of Gypsum, Kansas · 1739 days ago · 5 km deep · 3 km away · felt by 1
  4. 2.4Kansas · 1740 days ago · 5 km deep · 3 km away · felt by 2
  5. 3.35 km SSW of Gypsum, Kansas · 1740 days ago · 2 km deep · 1 km away · felt by 6
  6. 2.56 km SW of Gypsum, Kansas · 1740 days ago · 5 km deep · 2 km away · felt by 1
  7. 3.17 km SW of Gypsum, Kansas · 1742 days ago · 5 km deep · 2 km away · felt by 10
  8. 3.57 km ESE of Assaria, Kansas · 1742 days ago · 5 km deep · 4 km away · felt by 20
  9. 4.01 km SSW of Gypsum, Kansas · 1742 days ago · 3 km deep · 4 km away · felt by 129
  10. 2.56 km SSW of Gypsum, Kansas · 1743 days ago · 5 km deep · 2 km away · felt by 2
  11. 2.68 km SW of Gypsum, Kansas · 1744 days ago · 5 km deep · 3 km away · felt by 2
  12. 3.67 km WSW of Gypsum, Kansas · 1745 days ago · 5 km deep · 4 km away · felt by 101
  13. 2.56 km WSW of Gypsum, Kansas · 1745 days ago · 5 km deep · 3 km away · felt by 3
  14. 2.6Kansas · 1746 days ago · 5 km deep · 3 km away · felt by 1
  15. 3.05 km WSW of Gypsum, Kansas · 1746 days ago · 3 km deep · 4 km away · felt by 5
  16. 2.48 km S of Gypsum, Kansas · 1747 days ago · 5 km deep · 5 km away · felt by 1
  17. 3.08 km SW of Gypsum, Kansas · 1749 days ago · 5 km deep · 3 km away · felt by 29
  18. 2.66 km SW of Gypsum, Kansas · 1749 days ago · 5 km deep · 1 km away · felt by 3
  19. 4.36 km SSW of Gypsum, Kansas · 1749 days ago · 3 km deep · 2 km away · felt by 812
  20. 2.53 km NNE of Assaria, Kansas · 1753 days ago · 5 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gfe5. Read Tue, Sep 22, 2026, 10:44 AM UTC.