Kansas earthquakes

M2.7 earthquake 4 km E of Assaria, Kansas

A magnitude 2.7 earthquake struck 4 km E of Assaria, Kansas on Sat, Dec 18, 2021, 9:21 AM CST (15:21 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.7 6 km SW of Gypsum, 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
2.7 (mb_lg), micro
Local time
UTC
2021-12-18 15:21:37 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
38.678° N, 97.553° W
Region
Kansas
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, 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 3.2 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.07
Depth from
Operator assigned
Station coverage gap
92°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.02 km SSW of Marion, Kansas · 1731 days ago · 5 km deep · 60 km away · felt by 5
  2. 3.76 km SW of Gypsum, Kansas · 1731 days ago · 5 km deep · 8 km away · felt by 46
  3. 3.77 km WSW of Gypsum, Kansas · 1730 days ago · 5 km deep · 5 km away · felt by 28
  4. 2.56 km WSW of Gypsum, Kansas · 1730 days ago · 5 km deep · 5 km away
  5. 2.58 km SW of Gypsum, Kansas · 1730 days ago · 5 km deep · 4 km away · felt by 7
  6. 2.84 km SW of Gypsum, Kansas · 1729 days ago · 5 km deep · 8 km away · felt by 3
  7. 2.48 km SW of Gypsum, Kansas · 1726 days ago · 5 km deep · 6 km away · felt by 1
  8. 2.58 km SW of Gypsum, Kansas · 1719 days ago · 5 km deep · 7 km away · felt by 6
  9. 3.14 km ESE of Assaria, Kansas · 1716 days ago · 5 km deep · 2 km away · felt by 28
  10. 1.86 km E of Assaria, Kansas · 1711 days ago · 5 km deep · 2 km away · felt by 1
  11. 2.7Kansas · 1711 days ago · 5 km deep · 6 km away · felt by 3
  12. 3.15 km SW of Gypsum, Kansas · 1711 days ago · 5 km deep · 7 km away · felt by 6
  13. 2.55 km WSW of Gypsum, Kansas · 1706 days ago · 4 km deep · 6 km away · felt by 1
  14. 2.46 km SW of Woodbine, Kansas · 1696 days ago · 5 km deep · 48 km away · felt by 3
  15. 2.55 km WSW of Gypsum, Kansas · 1694 days ago · 5 km deep · 6 km away · felt by 3
  16. 2.56 km ENE of Hope, Kansas · 1692 days ago · 5 km deep · 47 km away · felt by 10
  17. 2.47 km ENE of Hope, Kansas · 1683 days ago · 5 km deep · 48 km away · felt by 5

Before

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

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gder. Read Tue, Sep 22, 2026, 9:52 AM UTC.