Oklahoma earthquakes

M2.4 earthquake 12 km NNE of Woodward, Oklahoma

A magnitude 2.4 earthquake struck 12 km NNE of Woodward, Oklahoma on Wed, Feb 21, 2018, 5:49 AM CST (11:49 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.6 17 km SE of Waynoka, Oklahoma. This one was a foreshock.

Woodward forecastMore in Oklahoma

Map

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

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The earthquake

Magnitude
2.4 (mb_lg), micro
Local time
UTC
2018-02-21 11:49:16 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
36.538° N, 99.352° W
Region
Oklahoma
Felt reports
1
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

1 person 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 1.6 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
228°, poorly surrounded by stations
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 32 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 2.65 km SW of Byron, Oklahoma · 3141 days ago · 5 km deep · 97 km away
  2. 3.317 km SE of Waynoka, Oklahoma · 3140 days ago · 8 km deep · 53 km away · felt by 4
  3. 2.815 km SSE of Waynoka, Oklahoma · 3137 days ago · 5 km deep · 49 km away · felt by 2
  4. 2.614 km SSE of Waynoka, Oklahoma · 3135 days ago · 6 km deep · 48 km away · felt by 1
  5. 3.617 km SE of Waynoka, Oklahoma · 3128 days ago · 7 km deep · 53 km away · felt by 4
  6. 2.615 km SSE of Waynoka, Oklahoma · 3123 days ago · 6 km deep · 48 km away · felt by 2
  7. 3.022 km NE of Fort Supply, Oklahoma · 3120 days ago · 4 km deep · 20 km away
  8. 2.727 km SSE of Protection, Kansas · 3120 days ago · 4 km deep · 48 km away · felt by 3
  9. 2.822 km NE of Fort Supply, Oklahoma · 3119 days ago · 1 km deep · 20 km away
  10. 2.38 km W of Buffalo, Oklahoma · 3118 days ago · 6 km deep · 47 km away
  11. 2.16 km WNW of Buffalo, Oklahoma · 3117 days ago · 5 km deep · 47 km away
  12. 3.417 km SE of Waynoka, Oklahoma · 3116 days ago · 8 km deep · 53 km away · felt by 5
  13. 2.79 km NE of Quinlan, Oklahoma · 3115 days ago · 6 km deep · 33 km away · felt by 1
  14. 2.55 km SE of Fairview, Oklahoma · 3115 days ago · 6 km deep · 88 km away · felt by 1
  15. 2.516 km SE of Waynoka, Oklahoma · 3114 days ago · 8 km deep · 56 km away
  16. 2.914 km SSE of Freedom, Oklahoma · 3113 days ago · 6 km deep · 32 km away · felt by 1
  17. 2.614 km WNW of Waynoka, Oklahoma · 3112 days ago · 6 km deep · 33 km away
  18. 2.412 km WNW of Taloga, Oklahoma · 3111 days ago · 7 km deep · 54 km away · felt by 1
  19. 2.613 km WNW of Taloga, Oklahoma · 3110 days ago · 5 km deep · 54 km away
  20. 2.514 km WNW of Waynoka, Oklahoma · 3110 days ago · 6 km deep · 33 km away · felt by 1
  21. 2.615 km SSW of Freedom, Oklahoma · 3104 days ago · 3 km deep · 19 km away
  22. 2.815 km SSE of Waynoka, Oklahoma · 3103 days ago · 6 km deep · 50 km away · felt by 3
  23. 2.51 km SW of Cherokee, Oklahoma · 3099 days ago · 9 km deep · 90 km away
  24. 2.16 km WSW of Chester, Oklahoma · 3098 days ago · 7 km deep · 51 km away · felt by 1
  25. 2.823 km NE of Fort Supply, Oklahoma · 3096 days ago · 4 km deep · 21 km away
  26. 2.69 km SW of Waynoka, Oklahoma · 3092 days ago · 4 km deep · 35 km away
  27. 2.914 km SSE of Freedom, Oklahoma · 3092 days ago · 6 km deep · 32 km away · felt by 2
  28. 2.82 km NNW of Lambert, Oklahoma · 3088 days ago · 7 km deep · 84 km away
  29. 2.81 km NNW of Lambert, Oklahoma · 3088 days ago · 7 km deep · 84 km away
  30. 2.814 km SSE of Freedom, Oklahoma · 3087 days ago · 5 km deep · 32 km away
  31. 3.616 km SSE of Waynoka, Oklahoma · 3087 days ago · 6 km deep · 52 km away · felt by 7
  32. 2.513 km WSW of Carmen, Oklahoma · 3085 days ago · 5 km deep · 67 km away

Before

  1. 2.614 km WNW of Alva, Oklahoma · 3145 days ago · 5 km deep · 60 km away
  2. 3.128 km ENE of Buffalo, Oklahoma · 3148 days ago · 3 km deep · 46 km away · felt by 4
  3. 3.79 km SW of Waynoka, Oklahoma · 3148 days ago · 7 km deep · 34 km away · felt by 13
  4. 2.59 km SW of Waynoka, Oklahoma · 3148 days ago · 7 km deep · 35 km away
  5. 2.99 km SW of Waynoka, Oklahoma · 3149 days ago · 6 km deep · 35 km away
  6. 2.88 km SW of Waynoka, Oklahoma · 3149 days ago · 6 km deep · 35 km away
  7. 3.49 km SW of Waynoka, Oklahoma · 3149 days ago · 7 km deep · 35 km away · felt by 3
  8. 2.78 km SW of Waynoka, Oklahoma · 3151 days ago · 5 km deep · 35 km away
  9. 2.727 km ENE of Buffalo, Oklahoma · 3160 days ago · 5 km deep · 47 km away
  10. 2.728 km ENE of Buffalo, Oklahoma · 3164 days ago · 4 km deep · 47 km away
  11. 2.615 km WNW of Waynoka, Oklahoma · 3165 days ago · 7 km deep · 32 km away · felt by 2
  12. 2.64 km NNE of Cherokee, Oklahoma · 3168 days ago · 4 km deep · 95 km away · felt by 3
  13. 2.8Oklahoma · 3168 days ago · 6 km deep · 34 km away · felt by 1
  14. 2.914 km WNW of Longdale, Oklahoma · 3169 days ago · 6 km deep · 70 km away · felt by 1
  15. 2.59 km WSW of Waynoka, Oklahoma · 3169 days ago · 6 km deep · 34 km away
  16. 2.77 km WSW of Waynoka, Oklahoma · 3170 days ago · 4 km deep · 36 km away
  17. 2.826 km NW of Freedom, Oklahoma · 3170 days ago · 0 km deep · 46 km away
  18. 2.525 km NE of Buffalo, Oklahoma · 3171 days ago · 8 km deep · 48 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000d5u5. Read Wed, Sep 30, 2026, 10:15 PM UTC.