M1.6 earthquake 14km NW of Ocotillo, CA

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Aug 20, 2021, 9:24 AM PDT

UTC

2021-08-20 16:24:53 UTC

Depth

8.6 km (5.3 mi), shallow

Epicenter

32.812° N, 116.118° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.2 km horizontally, 0.4 km in depth

Magnitude uncertainty

±0.12

Depth from

From location

Station coverage gap

56°

Stations used

48

• Jacumba Hot Springs, CaliforniaPopulation 561. Forecast23 kmNNE
• Imperial, CaliforniaPopulation 17,095. Forecast51 kmW
• Mexicali, MexicoPopulation 1,032,686. Forecast65 kmWNW

After

1. 2.512km W of Delta, B.C., MXFri, Aug 20, 3:20 PM PDT · 1870 days ago · 3 km deep · 91 km away
2. 2.48km N of Delta, B.C., MXSat, Aug 21, 9:32 AM PDT · 1870 days ago · 11 km deep · 96 km away
3. 1.519km ESE of Ocotillo Wells, CASat, Aug 21, 10:16 AM PDT · 1870 days ago · 4 km deep · 33 km away
4. 2.27km N of Delta, B.C., MXSat, Aug 21, 2:33 PM PDT · 1869 days ago · 14 km deep · 96 km away
5. 1.619km ESE of Ocotillo Wells, CASun, Aug 22, 8:31 PM PDT · 1868 days ago · 7 km deep · 33 km away
6. 1.65km WSW of Niland, CAMon, Aug 23, 1:16 AM PDT · 1868 days ago · 4 km deep · 69 km away
7. 1.85km W of Niland, CAMon, Aug 23, 1:18 AM PDT · 1868 days ago · 3 km deep · 69 km away
8. 4.012km N of Westmorland, CAMon, Aug 23, 7:57 AM PDT · 1868 days ago · 7 km deep · 57 km away · felt by 22
9. 1.611km WNW of Calipatria, CAMon, Aug 23, 7:59 AM PDT · 1868 days ago · 7 km deep · 59 km away
10. 1.711km W of Calipatria, CAMon, Aug 23, 7:59 AM PDT · 1868 days ago · 8 km deep · 58 km away
11. 1.611km W of Calipatria, CAMon, Aug 23, 8:09 AM PDT · 1868 days ago · 7 km deep · 58 km away
12. 1.811km WNW of Calipatria, CAMon, Aug 23, 8:10 AM PDT · 1868 days ago · 7 km deep · 59 km away
13. 1.510km N of Westmorland, CAMon, Aug 23, 8:57 AM PDT · 1868 days ago · 7 km deep · 57 km away
14. 1.711km W of Calipatria, CAMon, Aug 23, 9:00 AM PDT · 1868 days ago · 8 km deep · 58 km away
15. 1.611km N of Westmorland, CAMon, Aug 23, 9:00 AM PDT · 1868 days ago · 6 km deep · 57 km away
16. 2.011km N of Westmorland, CAMon, Aug 23, 9:15 AM PDT · 1868 days ago · 8 km deep · 57 km away
17. 1.611km W of Calipatria, CAMon, Aug 23, 9:47 AM PDT · 1868 days ago · 8 km deep · 58 km away
18. 1.711km N of Westmorland, CAMon, Aug 23, 10:16 AM PDT · 1868 days ago · 7 km deep · 57 km away
19. 1.911km N of Westmorland, CAMon, Aug 23, 11:17 AM PDT · 1868 days ago · 8 km deep · 57 km away
20. 1.611km N of Westmorland, CAMon, Aug 23, 11:17 AM PDT · 1868 days ago · 7 km deep · 57 km away
21. 1.811km N of Westmorland, CAMon, Aug 23, 12:19 PM PDT · 1868 days ago · 9 km deep · 58 km away
22. 1.69km SE of Julian, CAMon, Aug 23, 2:03 PM PDT · 1867 days ago · 13 km deep · 45 km away
23. 2.911km W of Calipatria, CAMon, Aug 23, 2:55 PM PDT · 1867 days ago · 9 km deep · 58 km away
24. 2.411km W of Calipatria, CAMon, Aug 23, 3:51 PM PDT · 1867 days ago · 8 km deep · 59 km away
25. 1.710km NE of Aguanga, CAMon, Aug 23, 3:56 PM PDT · 1867 days ago · 4 km deep · 98 km away
26. 1.711km N of Westmorland, CAMon, Aug 23, 5:41 PM PDT · 1867 days ago · 7 km deep · 57 km away
27. 2.011km N of Westmorland, CAMon, Aug 23, 5:43 PM PDT · 1867 days ago · 8 km deep · 57 km away
28. 2.512km W of Delta, B.C., MXMon, Aug 23, 10:48 PM PDT · 1867 days ago · 6 km deep · 90 km away
29. 1.810km N of Westmorland, CATue, Aug 24, 5:02 AM PDT · 1867 days ago · 9 km deep · 57 km away
30. 1.65km SW of Niland, CATue, Aug 24, 1:36 PM PDT · 1867 days ago · 0 km deep · 69 km away
31. 1.925km SE of Campo, CATue, Aug 24, 4:05 PM PDT · 1866 days ago · 18 km deep · 40 km away
32. 1.75km SW of Salton City, CAWed, Aug 25, 4:28 AM PDT · 1866 days ago · 4 km deep · 52 km away
33. 2.710km W of Delta, B.C., MXWed, Aug 25, 8:03 PM PDT · 1865 days ago · 15 km deep · 93 km away · felt by 1
34. 2.15km NE of Westmorland, CAThu, Aug 26, 1:06 AM PDT · 1865 days ago · 10 km deep · 57 km away
35. 1.616km SSW of Ocotillo Wells, CAFri, Aug 27, 2:47 AM PDT · 1864 days ago · 4 km deep · 24 km away
36. 3.18km NNW of Delta, B.C., MXFri, Aug 27, 5:56 PM PDT · 1863 days ago · 5 km deep · 94 km away
37. 1.532km ENE of Ensenada, B.C., MXSat, Aug 28, 8:20 AM PDT · 1863 days ago · 21 km deep · 91 km away
38. 2.218km ESE of Ocotillo Wells, CASun, Aug 29, 6:43 AM PDT · 1862 days ago · 3 km deep · 32 km away
39. 1.720km ESE of Ocotillo Wells, CAMon, Aug 30, 9:17 AM PDT · 1861 days ago · 4 km deep · 33 km away
40. 3.26km ENE of Progreso, B.C., MXMon, Aug 30, 4:11 PM PDT · 1860 days ago · 12 km deep · 60 km away · felt by 36
41. 2.37km NNW of Delta, B.C., MXTue, Aug 31, 8:20 AM PDT · 1860 days ago · 12 km deep · 95 km away
42. 1.717km E of Ocotillo, CATue, Aug 31, 10:01 PM PDT · 1859 days ago · 7 km deep · 29 km away
43. 1.95km WSW of Niland, CAWed, Sep 1, 1:53 AM PDT · 1859 days ago · 4 km deep · 69 km away
44. 1.927km SSW of Ocotillo Wells, CAWed, Sep 1, 5:23 AM PDT · 1859 days ago · 8 km deep · 16 km away
45. 2.14km WSW of Niland, CAThu, Sep 2, 2:05 AM PDT · 1858 days ago · 2 km deep · 70 km away
46. 2.14km WSW of Niland, CAThu, Sep 2, 2:06 AM PDT · 1858 days ago · 2 km deep · 70 km away
47. 2.25km WSW of Niland, CAThu, Sep 2, 2:08 AM PDT · 1858 days ago · 3 km deep · 69 km away
48. 1.716km E of Ocotillo, CAThu, Sep 2, 7:40 PM PDT · 1857 days ago · 7 km deep · 29 km away
49. 2.07km SW of Holtville, CAFri, Sep 3, 12:45 AM PDT · 1857 days ago · 12 km deep · 65 km away
50. 1.516km E of Ocotillo, CAFri, Sep 3, 2:58 PM PDT · 1856 days ago · 10 km deep · 30 km away
51. 1.742km ENE of Ensenada, B.C., MXSun, Sep 5, 12:16 AM PDT · 1855 days ago · 9 km deep · 88 km away
52. 1.622km SSW of Puebla, B.C., MXSun, Sep 5, 2:14 AM PDT · 1855 days ago · 2 km deep · 77 km away
53. 1.610km ESE of North Shore, CAMon, Sep 6, 3:06 AM PDT · 1854 days ago · 7 km deep · 81 km away
54. 1.610km ESE of North Shore, CAMon, Sep 6, 3:15 AM PDT · 1854 days ago · 7 km deep · 81 km away
55. 2.715km SE of Anza, CAMon, Sep 6, 6:14 AM PDT · 1854 days ago · 12 km deep · 83 km away
56. 2.78km N of Borrego Springs, CAMon, Sep 6, 6:45 AM PDT · 1854 days ago · 10 km deep · 62 km away
57. 1.614km WSW of Niland, CAMon, Sep 6, 6:55 PM PDT · 1853 days ago · 3 km deep · 60 km away
58. 2.72km WNW of Lake Henshaw, CATue, Sep 7, 2:41 AM PDT · 1853 days ago · 6 km deep · 79 km away · felt by 7
59. 1.811km E of Puebla, B.C., MXTue, Sep 7, 9:31 PM PDT · 1852 days ago · 23 km deep · 87 km away
60. 1.721km E of Julian, CAWed, Sep 8, 12:52 AM PDT · 1852 days ago · 12 km deep · 35 km away

The first 60 of 136.

Before

1. 1.918km ESE of Ocotillo Wells, CAThu, Aug 19, 4:57 PM PDT · 1871 days ago · 3 km deep · 32 km away
2. 1.519km ESE of Ocotillo Wells, CAThu, Aug 19, 2:25 PM PDT · 1871 days ago · 3 km deep · 33 km away
3. 1.620km ESE of Ocotillo Wells, CAThu, Aug 19, 6:54 AM PDT · 1872 days ago · 8 km deep · 34 km away
4. 1.519km ESE of Ocotillo Wells, CAThu, Aug 19, 5:44 AM PDT · 1872 days ago · 5 km deep · 33 km away
5. 1.918km ESE of Ocotillo Wells, CAWed, Aug 18, 10:38 PM PDT · 1872 days ago · 4 km deep · 33 km away
6. 3.418km ESE of Ocotillo Wells, CAWed, Aug 18, 9:29 PM PDT · 1872 days ago · 3 km deep · 32 km away · felt by 2
7. 1.927km WSW of Westmorland, CAWed, Aug 18, 9:25 PM PDT · 1872 days ago · 11 km deep · 27 km away
8. 2.127km SE of Ocotillo Wells, CAWed, Aug 18, 9:21 PM PDT · 1872 days ago · 10 km deep · 27 km away
9. 2.818km ESE of Ocotillo Wells, CAWed, Aug 18, 7:14 PM PDT · 1872 days ago · 3 km deep · 33 km away
10. 1.719km ESE of Ocotillo Wells, CAWed, Aug 18, 4:57 PM PDT · 1872 days ago · 5 km deep · 33 km away
11. 2.518km ESE of Ocotillo Wells, CAWed, Aug 18, 3:40 PM PDT · 1872 days ago · 3 km deep · 32 km away
12. 2.018km ESE of Ocotillo Wells, CAWed, Aug 18, 3:24 PM PDT · 1872 days ago · 4 km deep · 33 km away
13. 1.619km ESE of Ocotillo Wells, CAWed, Aug 18, 2:57 PM PDT · 1872 days ago · 7 km deep · 33 km away · felt by 1
14. 2.418km ESE of Ocotillo Wells, CAWed, Aug 18, 2:53 PM PDT · 1872 days ago · 2 km deep · 32 km away
15. 3.817km ESE of Ocotillo Wells, CAWed, Aug 18, 2:50 PM PDT · 1872 days ago · 4 km deep · 32 km away · felt by 7
16. 4.018km ESE of Ocotillo Wells, CAWed, Aug 18, 2:45 PM PDT · 1872 days ago · 7 km deep · 33 km away · felt by 46
17. 2.018km ESE of Ocotillo Wells, CAWed, Aug 18, 2:36 PM PDT · 1872 days ago · 5 km deep · 33 km away
18. 2.219km ESE of Ocotillo Wells, CAWed, Aug 18, 2:35 PM PDT · 1872 days ago · 3 km deep · 33 km away
19. 1.618km ESE of Ocotillo Wells, CAWed, Aug 18, 11:57 AM PDT · 1873 days ago · 5 km deep · 33 km away
20. 1.718km ESE of Ocotillo Wells, CAWed, Aug 18, 11:43 AM PDT · 1873 days ago · 4 km deep · 33 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci40016520. Read Sun, Oct 4, 2026, 8:28 AM UTC.