Kansas earthquakes

M2.8 earthquake 4 km SW of Gypsum, Kansas

A magnitude 2.8 earthquake struck 4 km SW of Gypsum, Kansas on Tue, Dec 28, 2021, 6:33 AM CST (12:33 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 4 km ESE of Assaria, Kansas. This one was a foreshock.

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
2.8 (mb_lg), micro
Local time
UTC
2021-12-28 12:33:53 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
38.675° N, 97.459° W
Region
Kansas
Felt reports
3
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.7 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.06
Depth from
Operator assigned
Station coverage gap
82°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 2.48 km SW of Gypsum, Kansas · 1727 days ago · 5 km deep · 4 km away · felt by 1
  2. 2.58 km SW of Gypsum, Kansas · 1719 days ago · 5 km deep · 4 km away · felt by 6
  3. 3.14 km ESE of Assaria, Kansas · 1716 days ago · 5 km deep · 9 km away · felt by 28
  4. 1.86 km E of Assaria, Kansas · 1712 days ago · 5 km deep · 6 km away · felt by 1
  5. 2.7Kansas · 1712 days ago · 5 km deep · 5 km away · felt by 3
  6. 3.15 km SW of Gypsum, Kansas · 1711 days ago · 5 km deep · 1 km away · felt by 6
  7. 2.55 km WSW of Gypsum, Kansas · 1706 days ago · 4 km deep · 2 km away · felt by 1
  8. 2.46 km SW of Woodbine, Kansas · 1697 days ago · 5 km deep · 40 km away · felt by 3
  9. 2.55 km WSW of Gypsum, Kansas · 1694 days ago · 5 km deep · 2 km away · felt by 3
  10. 2.56 km ENE of Hope, Kansas · 1693 days ago · 5 km deep · 39 km away · felt by 10
  11. 2.47 km ENE of Hope, Kansas · 1683 days ago · 5 km deep · 40 km away · felt by 5
  12. 2.28 km WSW of Woodbine, Kansas · 1672 days ago · 5 km deep · 37 km away · felt by 3
  13. 2.36 km WSW of Woodbine, Kansas · 1669 days ago · 5 km deep · 39 km away · felt by 1

Before

  1. 2.58 km SW of Gypsum, Kansas · 1730 days ago · 5 km deep · 4 km away · felt by 7
  2. 2.56 km WSW of Gypsum, Kansas · 1730 days ago · 5 km deep · 4 km away
  3. 3.77 km WSW of Gypsum, Kansas · 1731 days ago · 5 km deep · 3 km away · felt by 28
  4. 3.76 km SW of Gypsum, Kansas · 1731 days ago · 5 km deep · 2 km away · felt by 46
  5. 2.02 km SSW of Marion, Kansas · 1732 days ago · 5 km deep · 54 km away · felt by 5
  6. 2.74 km E of Assaria, Kansas · 1739 days ago · 5 km deep · 8 km away · felt by 2
  7. 2.66 km WSW of Gypsum, Kansas · 1740 days ago · 5 km deep · 3 km away · felt by 1
  8. 2.4Kansas · 1740 days ago · 5 km deep · 4 km away · felt by 2
  9. 3.35 km SSW of Gypsum, Kansas · 1740 days ago · 2 km deep · 1 km away · felt by 6
  10. 2.56 km SW of Gypsum, Kansas · 1741 days ago · 5 km deep · 2 km away · felt by 1
  11. 3.17 km SW of Gypsum, Kansas · 1742 days ago · 5 km deep · 3 km away · felt by 10
  12. 3.57 km ESE of Assaria, Kansas · 1742 days ago · 5 km deep · 6 km away · felt by 20
  13. 4.01 km SSW of Gypsum, Kansas · 1742 days ago · 3 km deep · 3 km away · felt by 129
  14. 2.56 km SSW of Gypsum, Kansas · 1743 days ago · 5 km deep · 3 km away · felt by 2
  15. 2.68 km SW of Gypsum, Kansas · 1745 days ago · 5 km deep · 5 km away · felt by 2
  16. 3.67 km WSW of Gypsum, Kansas · 1746 days ago · 5 km deep · 4 km away · felt by 101
  17. 2.56 km WSW of Gypsum, Kansas · 1746 days ago · 5 km deep · 3 km away · felt by 3
  18. 2.6Kansas · 1746 days ago · 5 km deep · 3 km away · felt by 1
  19. 3.05 km WSW of Gypsum, Kansas · 1746 days ago · 3 km deep · 3 km away · felt by 5
  20. 2.48 km S of Gypsum, Kansas · 1748 days ago · 5 km deep · 6 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gfuz. Read Tue, Sep 22, 2026, 5:22 PM UTC.