Kansas earthquakes

M2.7 earthquake 27 km SSE of Protection, Kansas

A magnitude 2.7 earthquake struck 27 km SSE of Protection, Kansas on Fri, Mar 16, 2018, 6:31 AM CDT (11:31 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M2.8 22 km NE of Fort Supply, Oklahoma. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.7 (ml), micro
Local time
UTC
2018-03-16 11:31:08 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
36.971° N, 99.366° 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 2.3 km horizontally, 5.2 km in depth
Station coverage gap
166°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 2.822 km NE of Fort Supply, Oklahoma · 3111 days ago · 1 km deep · 28 km away
  2. 2.38 km W of Buffalo, Oklahoma · 3109 days ago · 6 km deep · 36 km away
  3. 2.16 km WNW of Buffalo, Oklahoma · 3109 days ago · 5 km deep · 32 km away
  4. 3.417 km SE of Waynoka, Oklahoma · 3107 days ago · 8 km deep · 78 km away · felt by 5
  5. 2.79 km NE of Quinlan, Oklahoma · 3107 days ago · 6 km deep · 60 km away · felt by 1
  6. 2.516 km SE of Waynoka, Oklahoma · 3105 days ago · 8 km deep · 78 km away
  7. 2.914 km SSE of Freedom, Oklahoma · 3104 days ago · 6 km deep · 46 km away · felt by 1
  8. 2.614 km WNW of Waynoka, Oklahoma · 3104 days ago · 6 km deep · 47 km away
  9. 2.514 km WNW of Waynoka, Oklahoma · 3102 days ago · 6 km deep · 47 km away · felt by 1
  10. 2.615 km SSW of Freedom, Oklahoma · 3096 days ago · 3 km deep · 40 km away
  11. 2.815 km SSE of Waynoka, Oklahoma · 3094 days ago · 6 km deep · 76 km away · felt by 3
  12. 2.51 km SW of Cherokee, Oklahoma · 3090 days ago · 9 km deep · 92 km away
  13. 2.16 km WSW of Chester, Oklahoma · 3089 days ago · 7 km deep · 94 km away · felt by 1
  14. 2.823 km NE of Fort Supply, Oklahoma · 3088 days ago · 4 km deep · 28 km away
  15. 2.69 km SW of Waynoka, Oklahoma · 3084 days ago · 4 km deep · 61 km away
  16. 2.914 km SSE of Freedom, Oklahoma · 3083 days ago · 6 km deep · 46 km away · felt by 2
  17. 2.82 km NNW of Lambert, Oklahoma · 3080 days ago · 7 km deep · 88 km away
  18. 2.81 km NNW of Lambert, Oklahoma · 3080 days ago · 7 km deep · 89 km away
  19. 2.814 km SSE of Freedom, Oklahoma · 3078 days ago · 5 km deep · 46 km away
  20. 3.616 km SSE of Waynoka, Oklahoma · 3078 days ago · 6 km deep · 78 km away · felt by 7
  21. 2.513 km WSW of Carmen, Oklahoma · 3077 days ago · 5 km deep · 84 km away
  22. 2.717 km SSE of Waynoka, Oklahoma · 3070 days ago · 5 km deep · 79 km away
  23. 3.215 km SSE of Waynoka, Oklahoma · 3067 days ago · 5 km deep · 76 km away · felt by 2
  24. 2.615 km SSE of Waynoka, Oklahoma · 3067 days ago · 6 km deep · 77 km away
  25. 2.415 km SSE of Waynoka, Oklahoma · 3066 days ago · 5 km deep · 76 km away
  26. 2.84 km NE of Cherokee, Oklahoma · 3065 days ago · 5 km deep · 95 km away
  27. 2.414 km SSE of Freedom, Oklahoma · 3064 days ago · 5 km deep · 46 km away
  28. 2.78 km SW of Waynoka, Oklahoma · 3058 days ago · 6 km deep · 60 km away
  29. 3.09 km SW of Waynoka, Oklahoma · 3058 days ago · 6 km deep · 60 km away

Before

  1. 3.022 km NE of Fort Supply, Oklahoma · 3112 days ago · 4 km deep · 29 km away
  2. 2.615 km SSE of Waynoka, Oklahoma · 3115 days ago · 6 km deep · 75 km away · felt by 2
  3. 3.617 km SE of Waynoka, Oklahoma · 3119 days ago · 7 km deep · 79 km away · felt by 4
  4. 3.83 km WNW of Byron, Oklahoma · 3122 days ago · 8 km deep · 93 km away · felt by 124
  5. 2.614 km SSE of Waynoka, Oklahoma · 3126 days ago · 6 km deep · 75 km away · felt by 1
  6. 2.815 km SSE of Waynoka, Oklahoma · 3128 days ago · 5 km deep · 76 km away · felt by 2
  7. 3.317 km SE of Waynoka, Oklahoma · 3132 days ago · 8 km deep · 78 km away · felt by 4
  8. 2.65 km SW of Byron, Oklahoma · 3133 days ago · 5 km deep · 92 km away
  9. 2.412 km NNE of Woodward, Oklahoma · 3135 days ago · 5 km deep · 48 km away · felt by 1
  10. 2.614 km WNW of Alva, Oklahoma · 3137 days ago · 5 km deep · 50 km away
  11. 3.128 km ENE of Buffalo, Oklahoma · 3140 days ago · 3 km deep · 2 km away · felt by 4
  12. 3.79 km SW of Waynoka, Oklahoma · 3140 days ago · 7 km deep · 60 km away · felt by 13
  13. 2.59 km SW of Waynoka, Oklahoma · 3140 days ago · 7 km deep · 61 km away
  14. 2.99 km SW of Waynoka, Oklahoma · 3140 days ago · 6 km deep · 60 km away
  15. 2.88 km SW of Waynoka, Oklahoma · 3140 days ago · 6 km deep · 60 km away
  16. 3.49 km SW of Waynoka, Oklahoma · 3140 days ago · 7 km deep · 60 km away · felt by 3

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000d561. Read Tue, Sep 22, 2026, 9:39 AM UTC.