Kansas earthquakes

M3.1 earthquake 8 km NE of Harper, Kansas

A magnitude 3.1 earthquake struck 8 km NE of Harper, Kansas on Mon, Jun 18, 2018, 5:21 PM CDT (22:21 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.4 8 km WSW of Hunnewell, Kansas. This one was a foreshock.

Harper 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
3.1 (mb_lg), minor
Local time
UTC
2018-06-18 22:21:22 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
37.349° N, 97.973° W
Region
Kansas
Felt reports
4
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

4 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 1.5 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
90°
Stations used
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 52 in the 60 days after this one and 20 in the 30 days before it.

After

  1. 2.57 km E of Bluff City, Kansas · 3024 days ago · 7 km deep · 34 km away
  2. 2.61 km N of Medford, Oklahoma · 3024 days ago · 8 km deep · 62 km away
  3. 2.14 km ENE of Milan, Kansas · 3023 days ago · 4 km deep · 32 km away
  4. 2.77 km E of Nescatunga, Oklahoma · 3020 days ago · 7 km deep · 66 km away
  5. 2.57 km E of Nescatunga, Oklahoma · 3017 days ago · 7 km deep · 66 km away
  6. 3.25 km NW of Wellington, Kansas · 3016 days ago · 5 km deep · 49 km away · felt by 41
  7. 1.58 km WSW of Hunnewell, Kansas · 3015 days ago · 5 km deep · 59 km away
  8. 1.96 km ENE of Harper, Kansas · 3015 days ago · 6 km deep · 4 km away
  9. 1.58 km ESE of Caldwell, Kansas · 3014 days ago · 6 km deep · 55 km away
  10. 2.57 km WSW of Hunnewell, Kansas · 3013 days ago · 5 km deep · 59 km away · felt by 1
  11. 2.28 km WSW of Hunnewell, Kansas · 3013 days ago · 5 km deep · 59 km away
  12. 3.17 km E of Nescatunga, Oklahoma · 3012 days ago · 7 km deep · 66 km away
  13. 2.55 km NE of Harper, Kansas · 3011 days ago · 7 km deep · 3 km away
  14. 1.57 km ESE of Freeport, Kansas · 3010 days ago · 5 km deep · 26 km away
  15. 2.03 km WSW of Bluff City, Kansas · 3009 days ago · 5 km deep · 33 km away
  16. 1.62 km SSE of Freeport, Kansas · 3007 days ago · 4 km deep · 23 km away
  17. 3.48 km WSW of Hunnewell, Kansas · 3006 days ago · 5 km deep · 59 km away · felt by 10
  18. 3.15 km NE of Medford, Oklahoma · 3003 days ago · 8 km deep · 61 km away · felt by 1
  19. 1.66 km WNW of Danville, Kansas · 3003 days ago · 5 km deep · 5 km away
  20. 1.64 km NNW of Bluff City, Kansas · 3002 days ago · 5 km deep · 27 km away
  21. 1.96 km ENE of Harper, Kansas · 3001 days ago · 6 km deep · 4 km away
  22. 1.53 km WSW of Bluff City, Kansas · 2997 days ago · 4 km deep · 33 km away
  23. 3.04 km SW of Lambert, Oklahoma · 2995 days ago · 7 km deep · 89 km away
  24. 3.24 km SW of Lambert, Oklahoma · 2995 days ago · 7 km deep · 89 km away · felt by 1
  25. 1.93 km WSW of Bluff City, Kansas · 2995 days ago · 5 km deep · 33 km away
  26. 2.05 km SE of Freeport, Kansas · 2993 days ago · 5 km deep · 25 km away
  27. 2.59 km N of Nash, Oklahoma · 2993 days ago · 5 km deep · 67 km away
  28. 2.65 km NNE of Carmen, Oklahoma · 2991 days ago · 5 km deep · 91 km away · felt by 1
  29. 1.912 km SSE of Milan, Kansas · 2990 days ago · 5 km deep · 38 km away
  30. 1.6Kansas · 2987 days ago · 6 km deep · 24 km away
  31. 3.15 km SE of Dacoma, Oklahoma · 2986 days ago · 6 km deep · 93 km away
  32. 3.35 km NE of Medford, Oklahoma · 2986 days ago · 7 km deep · 61 km away · felt by 3
  33. 2.85 km NE of Medford, Oklahoma · 2986 days ago · 5 km deep · 62 km away
  34. 1.63 km SSE of Milan, Kansas · 2983 days ago · 4 km deep · 31 km away
  35. 3.23 km SSW of Alva, Oklahoma · 2982 days ago · 11 km deep · 89 km away · felt by 5
  36. 2.68 km E of Nescatunga, Oklahoma · 2982 days ago · 7 km deep · 66 km away
  37. 1.72 km SSE of Freeport, Kansas · 2982 days ago · 4 km deep · 23 km away
  38. 2.48 km SSW of Burlington, Oklahoma · 2982 days ago · 2 km deep · 72 km away · felt by 1
  39. 2.98 km NNE of Caldwell, Kansas · 2980 days ago · 5 km deep · 43 km away · felt by 4
  40. 3.24 km N of Breckinridge, Oklahoma · 2979 days ago · 5 km deep · 99 km away · felt by 4
  41. 3.45 km NE of Medford, Oklahoma · 2974 days ago · 7 km deep · 61 km away · felt by 17
  42. 2.38 km N of Caldwell, Kansas · 2974 days ago · 5 km deep · 43 km away
  43. 1.88 km WSW of Hunnewell, Kansas · 2972 days ago · 5 km deep · 59 km away
  44. 1.82 km SSE of Bluff City, Kansas · 2972 days ago · 10 km deep · 34 km away
  45. 2.05 km E of Bluff City, Kansas · 2971 days ago · 7 km deep · 33 km away
  46. 2.55 km E of Bluff City, Kansas · 2970 days ago · 7 km deep · 33 km away · felt by 2
  47. 2.04 km E of Bluff City, Kansas · 2970 days ago · 7 km deep · 33 km away
  48. 2.25 km N of Breckinridge, Oklahoma · 2970 days ago · 5 km deep · 98 km away
  49. 1.88 km WSW of Hunnewell, Kansas · 2969 days ago · 4 km deep · 59 km away
  50. 1.59 km WSW of Hunnewell, Kansas · 2969 days ago · 5 km deep · 59 km away
  51. 3.08 km NNE of Harper, Kansas · 2967 days ago · 5 km deep · 1 km away · felt by 6
  52. 1.98 km WSW of Hunnewell, Kansas · 2966 days ago · 5 km deep · 59 km away

Before

  1. 1.62 km W of Freeport, Kansas · 3032 days ago · 5 km deep · 18 km away
  2. 2.87 km ENE of Nescatunga, Oklahoma · 3033 days ago · 6 km deep · 65 km away · felt by 4
  3. 2.98 km E of Nescatunga, Oklahoma · 3034 days ago · 7 km deep · 66 km away · felt by 1
  4. 2.98 km ENE of Nescatunga, Oklahoma · 3034 days ago · 6 km deep · 65 km away · felt by 1
  5. 4.48 km E of Nescatunga, Oklahoma · 3034 days ago · 10 km deep · 66 km away · felt by 1,955
  6. 1.75 km SSE of Bluff City, Kansas · 3034 days ago · 6 km deep · 37 km away
  7. 1.67 km WSW of Wellington, Kansas · 3035 days ago · 6 km deep · 47 km away
  8. 2.4Kansas · 3036 days ago · 5 km deep · 24 km away · felt by 1
  9. 3.18 km W of Deer Creek, Oklahoma · 3039 days ago · 6 km deep · 67 km away · felt by 5
  10. 2.61 km W of South Hutchinson, Kansas · 3039 days ago · 5 km deep · 76 km away · felt by 24
  11. 3.29 km ESE of Jefferson, Oklahoma · 3039 days ago · 7 km deep · 77 km away · felt by 28
  12. 2.4Kansas · 3041 days ago · 5 km deep · 74 km away · felt by 9
  13. 2.43 km N of Renfrow, Oklahoma · 3042 days ago · 5 km deep · 52 km away
  14. 2.511 km NE of Wakita, Oklahoma · 3047 days ago · 6 km deep · 47 km away
  15. 2.710 km W of Lamont, Oklahoma · 3048 days ago · 8 km deep · 77 km away
  16. 1.64 km ESE of Freeport, Kansas · 3048 days ago · 7 km deep · 24 km away
  17. 1.54 km ESE of Freeport, Kansas · 3049 days ago · 7 km deep · 24 km away
  18. 2.31 km N of Anthony, Kansas · 3050 days ago · 9 km deep · 21 km away
  19. 2.611 km SSW of Mayfield, Kansas · 3050 days ago · 24 km deep · 41 km away
  20. 2.60 km SW of Wakita, Oklahoma · 3052 days ago · 7 km deep · 52 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000euy3. Read Tue, Sep 29, 2026, 1:35 PM UTC.