M3.0 earthquake 4 km ESE of Helena, Oklahoma

Magnitude

3.0 (ML, local (Richter)), minor

Magnitude from

USGS National Earthquake Information Center

Local time

Sun, Dec 21, 2014, 2:53 AM CST

UTC

2014-12-21 08:53:23 UTC

Depth

4.2 km (2.6 mi), shallow

Epicenter

36.528° N, 98.227° W

Region

Oklahoma

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 2.9 km horizontally, 7.8 km in depth

Station coverage gap

154°

Stations used

0

• Helena, OklahomaPopulation 1,426. Forecast4 kmESE
• Enid, OklahomaPopulation 51,776. Forecast34 kmWNW
• Oklahoma City, OklahomaPopulation 681,054. Forecast134 kmNNW
• Fort Worth, TexasPopulation 1,008,106. Forecast431 kmN

After

1. 3.36 km WNW of Renfrow, OklahomaSun, Dec 21, 9:44 AM CST · 4306 days ago · 1 km deep · 64 km away · felt by 3
2. 1.95 km SSW of Manchester, OklahomaSun, Dec 21, 12:30 PM CST · 4306 days ago · 6 km deep · 49 km away
3. 3.48 km NW of Hunter, OklahomaSun, Dec 21, 12:36 PM CST · 4306 days ago · 5 km deep · 47 km away
4. 3.48 km NNW of Hunter, OklahomaSun, Dec 21, 12:42 PM CST · 4306 days ago · 4 km deep · 47 km away · felt by 4
5. 2.58 km NNW of Hunter, OklahomaSun, Dec 21, 2:22 PM CST · 4306 days ago · 5 km deep · 47 km away · felt by 3
6. 2.26 km NNE of Anthony, KansasSun, Dec 21, 7:03 PM CST · 4306 days ago · 8 km deep · 78 km away · felt by 2
7. 3.66 km NNW of Nescatunga, OklahomaSun, Dec 21, 9:40 PM CST · 4305 days ago · 5 km deep · 31 km away · felt by 6
8. 1.66 km NNE of Anthony, KansasSun, Dec 21, 9:58 PM CST · 4305 days ago · 4 km deep · 78 km away
9. 3.04 km E of Mulhall, OklahomaSun, Dec 21, 11:05 PM CST · 4305 days ago · 7 km deep · 93 km away · felt by 5
10. 1.75 km SW of Freeport, KansasSun, Dec 21, 11:18 PM CST · 4305 days ago · 5 km deep · 77 km away
11. 2.6OklahomaMon, Dec 22, 1:24 AM CST · 4305 days ago · 6 km deep · 61 km away
12. 2.86 km SW of Danville, KansasMon, Dec 22, 1:43 AM CST · 4305 days ago · 6 km deep · 84 km away
13. 3.54 km WSW of Danville, KansasMon, Dec 22, 1:45 AM CST · 4305 days ago · 6 km deep · 86 km away · felt by 10
14. 2.27 km SW of Danville, KansasMon, Dec 22, 1:47 AM CST · 4305 days ago · 3 km deep · 83 km away
15. 1.56 km NNE of Anthony, KansasMon, Dec 22, 1:53 AM CST · 4305 days ago · 4 km deep · 78 km away
16. 1.74 km NNE of Anthony, KansasMon, Dec 22, 2:00 AM CST · 4305 days ago · 6 km deep · 77 km away
17. 2.89 km WSW of Lamont, OklahomaMon, Dec 22, 2:23 AM CST · 4305 days ago · 5 km deep · 53 km away
18. 2.27 km SW of Danville, KansasMon, Dec 22, 2:24 AM CST · 4305 days ago · 5 km deep · 83 km away
19. 3.05 km ESE of Perry, OklahomaMon, Dec 22, 5:12 AM CST · 4305 days ago · 6 km deep · 94 km away · felt by 1
20. 1.67 km SSE of Anthony, KansasMon, Dec 22, 9:35 AM CST · 4305 days ago · 7 km deep · 66 km away
21. 2.97 km NNW of Lamont, OklahomaMon, Dec 22, 10:14 AM CST · 4305 days ago · 7 km deep · 63 km away
22. 2.06 km ENE of Milan, KansasMon, Dec 22, 11:07 AM CST · 4305 days ago · 5 km deep · 100 km away
23. 2.67 km NNW of Lamont, OklahomaMon, Dec 22, 1:18 PM CST · 4305 days ago · 5 km deep · 63 km away
24. 2.95 km NNW of Quinlan, OklahomaMon, Dec 22, 3:57 PM CST · 4305 days ago · 9 km deep · 75 km away · felt by 1
25. 2.77 km SW of Deer Creek, OklahomaMon, Dec 22, 5:37 PM CST · 4305 days ago · 5 km deep · 63 km away
26. 2.82 km NW of Renfrow, OklahomaMon, Dec 22, 6:20 PM CST · 4305 days ago · 6 km deep · 67 km away · felt by 1
27. 2.510 km W of Red Rock, OklahomaMon, Dec 22, 8:01 PM CST · 4305 days ago · 9 km deep · 84 km away
28. 2.96 km SSW of Deer Creek, OklahomaMon, Dec 22, 9:09 PM CST · 4304 days ago · 5 km deep · 65 km away · felt by 1
29. 2.25 km N of Anthony, KansasMon, Dec 22, 9:10 PM CST · 4304 days ago · 5 km deep · 77 km away
30. 2.53 km WSW of Medford, OklahomaMon, Dec 22, 11:33 PM CST · 4304 days ago · 5 km deep · 51 km away
31. 1.6KansasMon, Dec 22, 11:43 PM CST · 4304 days ago · 4 km deep · 97 km away
32. 2.57 km SW of Deer Creek, OklahomaTue, Dec 23, 12:51 AM CST · 4304 days ago · 5 km deep · 63 km away
33. 2.1KansasTue, Dec 23, 3:17 AM CST · 4304 days ago · 5 km deep · 76 km away
34. 1.56 km SW of Freeport, KansasTue, Dec 23, 3:41 AM CST · 4304 days ago · 4 km deep · 76 km away
35. 1.86 km SW of Freeport, KansasTue, Dec 23, 5:00 AM CST · 4304 days ago · 5 km deep · 76 km away
36. 1.95 km SSE of Anthony, KansasTue, Dec 23, 8:02 AM CST · 4304 days ago · 6 km deep · 68 km away
37. 2.62 km ENE of Medford, OklahomaTue, Dec 23, 10:21 AM CST · 4304 days ago · 6 km deep · 57 km away
38. 2.16 km WSW of Freeport, KansasTue, Dec 23, 10:40 AM CST · 4304 days ago · 5 km deep · 76 km away
39. 2.85 km NNE of Nescatunga, OklahomaTue, Dec 23, 11:18 AM CST · 4304 days ago · 6 km deep · 32 km away
40. 3.04 km SW of Renfrow, OklahomaTue, Dec 23, 2:35 PM CST · 4304 days ago · 6 km deep · 63 km away · felt by 1
41. 1.67 km SW of Danville, KansasTue, Dec 23, 6:18 PM CST · 4304 days ago · 5 km deep · 83 km away
42. 2.85 km ENE of Covington, OklahomaTue, Dec 23, 6:34 PM CST · 4304 days ago · 6 km deep · 66 km away
43. 1.96 km SW of Freeport, KansasTue, Dec 23, 9:49 PM CST · 4303 days ago · 5 km deep · 76 km away
44. 1.66 km SW of Freeport, KansasTue, Dec 23, 10:43 PM CST · 4303 days ago · 5 km deep · 76 km away
45. 2.98 km NW of Hunter, OklahomaTue, Dec 23, 11:32 PM CST · 4303 days ago · 5 km deep · 47 km away · felt by 1
46. 2.65 km ENE of Covington, OklahomaWed, Dec 24, 6:56 AM CST · 4303 days ago · 7 km deep · 66 km away
47. 1.65 km NNE of Anthony, KansasWed, Dec 24, 7:30 AM CST · 4303 days ago · 6 km deep · 77 km away
48. 2.66 km E of Pond Creek, OklahomaWed, Dec 24, 11:48 AM CST · 4303 days ago · 5 km deep · 47 km away
49. 1.73 km SSE of Manchester, OklahomaWed, Dec 24, 1:16 PM CST · 4303 days ago · 1 km deep · 52 km away
50. 1.73 km SSE of Manchester, OklahomaWed, Dec 24, 4:15 PM CST · 4303 days ago · 1 km deep · 52 km away
51. 2.58 km S of Anthony, KansasWed, Dec 24, 4:17 PM CST · 4303 days ago · 5 km deep · 64 km away
52. 2.52 km WSW of Medford, OklahomaWed, Dec 24, 4:35 PM CST · 4303 days ago · 6 km deep · 51 km away · felt by 1
53. 2.89 km SE of Lambert, OklahomaWed, Dec 24, 6:45 PM CST · 4303 days ago · 5 km deep · 15 km away
54. 2.04 km SE of Bluff City, KansasWed, Dec 24, 8:05 PM CST · 4303 days ago · 6 km deep · 67 km away
55. 2.46 km SE of Milan, KansasThu, Dec 25, 6:20 AM CST · 4302 days ago · 6 km deep · 94 km away
56. 1.63 km WNW of Freeport, KansasThu, Dec 25, 3:28 PM CST · 4302 days ago · 3 km deep · 82 km away
57. 2.84 km SE of Anthony, KansasThu, Dec 25, 7:12 PM CST · 4302 days ago · 6 km deep · 69 km away · felt by 6
58. 1.56 km N of Anthony, KansasThu, Dec 25, 10:57 PM CST · 4301 days ago · 2 km deep · 78 km away
59. 1.94 km SSW of Anthony, KansasFri, Dec 26, 8:08 AM CST · 4301 days ago · 5 km deep · 67 km away
60. 2.56 km NNW of Nescatunga, OklahomaFri, Dec 26, 10:03 AM CST · 4301 days ago · 5 km deep · 31 km away

The first 60 of at least 202.

Before

1. 1.84 km SSE of Harper, KansasSun, Dec 21, 2:25 AM CST · 4306 days ago · 2 km deep · 83 km away
2. 2.86 km SSW of Deer Creek, OklahomaSun, Dec 21, 12:23 AM CST · 4306 days ago · 5 km deep · 65 km away · felt by 1
3. 3.16 km SW of Deer Creek, OklahomaSat, Dec 20, 11:59 PM CST · 4306 days ago · 8 km deep · 64 km away · felt by 3
4. 1.85 km SSE of Anthony, KansasSat, Dec 20, 8:30 PM CST · 4306 days ago · 6 km deep · 68 km away
5. 3.03 km NNW of Orlando, OklahomaSat, Dec 20, 7:17 PM CST · 4307 days ago · 5 km deep · 85 km away · felt by 1
6. 2.93 km ESE of Mulhall, OklahomaSat, Dec 20, 5:41 PM CST · 4307 days ago · 5 km deep · 93 km away · felt by 1
7. 1.93 km ESE of Milan, KansasSat, Dec 20, 3:50 PM CST · 4307 days ago · 3 km deep · 95 km away
8. 1.94 km SSE of Anthony, KansasSat, Dec 20, 1:58 PM CST · 4307 days ago · 7 km deep · 68 km away
9. 2.83 km E of Milan, KansasSat, Dec 20, 11:27 AM CST · 4307 days ago · 4 km deep · 98 km away · felt by 1
10. 1.65 km SSE of Anthony, KansasSat, Dec 20, 7:29 AM CST · 4307 days ago · 6 km deep · 68 km away
11. 1.65 km WSW of Freeport, KansasSat, Dec 20, 1:07 AM CST · 4307 days ago · 5 km deep · 77 km away
12. 2.513 km NNE of Nescatunga, OklahomaFri, Dec 19, 11:20 PM CST · 4307 days ago · 5 km deep · 39 km away
13. 2.82 km NE of Medford, OklahomaFri, Dec 19, 10:59 PM CST · 4307 days ago · 5 km deep · 56 km away · felt by 8
14. 2.712 km NNE of Nescatunga, OklahomaFri, Dec 19, 10:45 PM CST · 4307 days ago · 5 km deep · 39 km away
15. 1.96 km WSW of Harper, KansasFri, Dec 19, 4:36 PM CST · 4308 days ago · 7 km deep · 82 km away
16. 2.95 km ENE of Covington, OklahomaFri, Dec 19, 9:57 AM CST · 4308 days ago · 8 km deep · 66 km away
17. 2.11 km NNE of Anthony, KansasFri, Dec 19, 7:46 AM CST · 4308 days ago · 5 km deep · 73 km away
18. 2.56 km SW of Deer Creek, OklahomaFri, Dec 19, 7:42 AM CST · 4308 days ago · 5 km deep · 65 km away
19. 2.41 km NW of Anthony, KansasFri, Dec 19, 7:36 AM CST · 4308 days ago · 7 km deep · 73 km away
20. 3.36 km SW of Deer Creek, OklahomaFri, Dec 19, 7:18 AM CST · 4308 days ago · 4 km deep · 64 km away · felt by 3

From the USGS Earthquake Hazards Program and its partner networks, event usc000t8v7. Read Mon, Oct 5, 2026, 1:46 PM UTC.