M1.7 earthquake 3 km E of Bradley, Oklahoma

Magnitude

1.7 (ml), micro

Local time

Sat, Oct 2, 2021, 5:47 AM CDT

UTC

2021-10-02 10:47:48 UTC

Depth

13.4 km (8.3 mi), shallow

Epicenter

34.874° N, 97.670° W

Region

Oklahoma

Tsunami flag

No

Status

Reviewed by a seismologist

Magnitude uncertainty

±0.26

Station coverage gap

44°

Stations used

84

• Lindsay, OklahomaPopulation 2,830. Forecast8 kmNW
• Chickasha, OklahomaPopulation 16,488. Forecast31 kmSE
• Norman, OklahomaPopulation 128,026. Forecast44 kmSSW
• Fort Worth, TexasPopulation 1,008,106. Forecast241 kmN

After

1. 1.63 km E of Bradley, OklahomaSun, Oct 3, 6:29 AM CDT · 1816 days ago · 13 km deep · 1 km away
2. 2.13 km E of Bradley, OklahomaThu, Oct 7, 9:14 PM CDT · 1811 days ago · 5 km deep · 1 km away · felt by 4
3. 1.83 km E of Bradley, OklahomaFri, Oct 8, 4:31 AM CDT · 1811 days ago · 5 km deep · 1 km away
4. 2.62 km ESE of Luther, OklahomaFri, Oct 8, 6:07 PM CDT · 1810 days ago · 7 km deep · 98 km away · felt by 3
5. 1.65 km W of Yukon, OklahomaSun, Oct 10, 7:24 AM CDT · 1809 days ago · 4 km deep · 71 km away
6. 1.62 km ESE of Luther, OklahomaFri, Oct 15, 7:36 AM CDT · 1804 days ago · 7 km deep · 98 km away
7. 1.813 km WSW of El Reno, OklahomaFri, Oct 29, 6:53 PM CDT · 1789 days ago · 5 km deep · 77 km away · felt by 1
8. 1.611 km WSW of El Reno, OklahomaSun, Oct 31, 6:48 AM CDT · 1788 days ago · 6 km deep · 77 km away
9. 1.811 km WSW of El Reno, OklahomaSun, Oct 31, 12:02 PM CDT · 1787 days ago · 6 km deep · 77 km away
10. 1.57 km NE of Harrah, OklahomaSun, Oct 31, 8:09 PM CDT · 1787 days ago · 7 km deep · 90 km away
11. 1.68 km SW of Yukon, OklahomaThu, Nov 11, 5:42 PM CST · 1776 days ago · 6 km deep · 67 km away
12. 1.68 km SW of Yukon, OklahomaThu, Nov 11, 7:16 PM CST · 1776 days ago · 5 km deep · 66 km away
13. 2.88 km SSW of Warwick, OklahomaThu, Nov 11, 9:11 PM CST · 1776 days ago · 7 km deep · 100 km away · felt by 14
14. 1.58 km SW of Yukon, OklahomaThu, Nov 11, 10:54 PM CST · 1776 days ago · 7 km deep · 67 km away
15. 1.98 km SSW of Warwick, OklahomaFri, Nov 12, 12:13 AM CST · 1776 days ago · 7 km deep · 100 km away
16. 1.95 km WSW of Washington, OklahomaWed, Nov 17, 6:52 AM CST · 1771 days ago · 6 km deep · 22 km away
17. 1.99 km SSE of Ratliff City, OklahomaThu, Nov 18, 3:48 PM CST · 1769 days ago · 5 km deep · 59 km away
18. 1.67 km SW of Yukon, OklahomaThu, Nov 18, 9:53 PM CST · 1769 days ago · 5 km deep · 68 km away
19. 1.72 km S of Tuttle, OklahomaFri, Nov 19, 3:05 AM CST · 1769 days ago · 6 km deep · 46 km away
20. 2.310 km SSE of Ratliff City, OklahomaFri, Nov 19, 6:45 AM CST · 1769 days ago · 6 km deep · 60 km away
21. 1.68 km SSE of Ratliff City, OklahomaFri, Nov 19, 8:17 AM CST · 1769 days ago · 5 km deep · 58 km away
22. 1.78 km SSE of Ratliff City, OklahomaFri, Nov 19, 10:51 AM CST · 1768 days ago · 4 km deep · 58 km away
23. 1.67 km SSE of Ratliff City, OklahomaSat, Nov 20, 8:04 AM CST · 1768 days ago · 5 km deep · 57 km away
24. 1.69 km SSE of Ratliff City, OklahomaSat, Nov 20, 5:08 PM CST · 1767 days ago · 5 km deep · 59 km away
25. 1.99 km SSE of Ratliff City, OklahomaSun, Nov 21, 12:48 AM CST · 1767 days ago · 6 km deep · 59 km away
26. 1.610 km SSE of Ratliff City, OklahomaSun, Nov 21, 2:03 AM CST · 1767 days ago · 6 km deep · 60 km away
27. 2.09 km SSE of Ratliff City, OklahomaSun, Nov 21, 7:43 AM CST · 1767 days ago · 6 km deep · 59 km away
28. 1.79 km SSE of Ratliff City, OklahomaSun, Nov 21, 8:22 PM CST · 1766 days ago · 6 km deep · 58 km away
29. 1.69 km SW of Yukon, OklahomaMon, Nov 22, 2:15 PM CST · 1765 days ago · 5 km deep · 66 km away
30. 1.98 km SSE of Ratliff City, OklahomaMon, Nov 22, 11:05 PM CST · 1765 days ago · 5 km deep · 58 km away
31. 2.49 km ESE of Chickasha, OklahomaTue, Nov 23, 9:31 PM CST · 1764 days ago · 9 km deep · 23 km away · felt by 9
32. 2.310 km SSE of Ratliff City, OklahomaWed, Nov 24, 5:53 AM CST · 1764 days ago · 6 km deep · 60 km away
33. 1.82 km WSW of Bridge Creek, OklahomaWed, Nov 24, 9:11 PM CST · 1763 days ago · 6 km deep · 41 km away · felt by 3
34. 1.67 km SSE of Ratliff City, OklahomaThu, Nov 25, 3:51 PM CST · 1762 days ago · 6 km deep · 57 km away
35. 1.88 km WSW of El Reno, OklahomaThu, Nov 25, 11:08 PM CST · 1762 days ago · 7 km deep · 77 km away
36. 1.95 km NW of Minco, OklahomaMon, Nov 29, 8:24 AM CST · 1759 days ago · 7 km deep · 60 km away · felt by 5
37. 1.76 km NW of Minco, OklahomaMon, Nov 29, 9:12 AM CST · 1759 days ago · 7 km deep · 61 km away
38. 2.45 km SW of Union City, OklahomaMon, Nov 29, 4:17 PM CST · 1758 days ago · 7 km deep · 61 km away · felt by 3

Before

1. 2.211 km E of Comanche, OklahomaThu, Sep 30, 3:49 PM CDT · 1818 days ago · 9 km deep · 58 km away
2. 1.77 km SSE of Erin Springs, OklahomaTue, Sep 21, 7:57 PM CDT · 1827 days ago · 7 km deep · 16 km away
3. 1.87 km SSE of Erin Springs, OklahomaTue, Sep 21, 7:57 PM CDT · 1827 days ago · 7 km deep · 17 km away
4. 1.93 km S of Blanchard, OklahomaSun, Sep 19, 10:56 PM CDT · 1829 days ago · 4 km deep · 26 km away · felt by 11
5. 1.87 km SSE of Erin Springs, OklahomaSat, Sep 18, 11:22 AM CDT · 1831 days ago · 7 km deep · 17 km away
6. 2.27 km SSE of Erin Springs, OklahomaSat, Sep 18, 5:39 AM CDT · 1831 days ago · 7 km deep · 17 km away · felt by 1
7. 1.64 km ESE of El Reno, OklahomaTue, Sep 7, 3:50 AM CDT · 1842 days ago · 23 km deep · 74 km away
8. 1.77 km NE of Alex, OklahomaTue, Sep 7, 2:47 AM CDT · 1842 days ago · 9 km deep · 10 km away · felt by 1
9. 2.76 km NNE of Alex, OklahomaSat, Sep 4, 4:17 PM CDT · 1844 days ago · 8 km deep · 14 km away · felt by 4
10. 1.66 km S of Ratliff City, OklahomaSat, Sep 4, 6:17 AM CDT · 1845 days ago · 10 km deep · 56 km away

From the USGS Earthquake Hazards Program and its partner networks, event ok2021thlf. Read Wed, Sep 23, 2026, 3:58 AM UTC.