M1.6 earthquake 2km WNW of Brawley, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Oct 4, 1978, 2:55 PM PDT

UTC

1978-10-04 21:55:09 UTC

Depth

8.3 km (5.1 mi), shallow

Epicenter

32.985° N, 115.555° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.7 km horizontally, 4.2 km in depth

Depth from

From location

Station coverage gap

96°

Stations used

10

• Brawley, CaliforniaPopulation 25,897. Forecast2 kmWNW
• Mexicali, MexicoPopulation 1,032,686. Forecast41 kmNNW

After

1. 2.019km N of Borrego Springs, CAWed, Oct 4, 7:26 PM PDT · 17532 days ago · 12 km deep · 93 km away
2. 1.822km ENE of Pine Valley, CAThu, Oct 5, 11:50 AM PDT · 17532 days ago · 4 km deep · 72 km away
3. 1.86km NE of Westmorland, CAThu, Oct 5, 1:39 PM PDT · 17532 days ago · 10 km deep · 10 km away
4. 1.95km SSE of Mexicali, B.C., MXThu, Oct 5, 3:51 PM PDT · 17531 days ago · 6 km deep · 43 km away
5. 1.813km WSW of Niland, CAThu, Oct 5, 6:50 PM PDT · 17531 days ago · 5 km deep · 25 km away
6. 1.627km WNW of Desert Center, CAFri, Oct 6, 12:47 AM PDT · 17531 days ago · 3 km deep · 88 km away
7. 1.76km NE of Imperial, CAFri, Oct 6, 7:31 AM PDT · 17531 days ago · 10 km deep · 12 km away
8. 2.221km SSW of La Quinta, CASat, Oct 7, 11:53 PM PDT · 17529 days ago · 8 km deep · 100 km away
9. 1.81km SSW of Brawley, CASun, Oct 8, 10:48 AM PDT · 17529 days ago · 10 km deep · 3 km away
10. 2.07km SW of Brawley, CASun, Oct 8, 1:14 PM PDT · 17529 days ago · 6 km deep · 6 km away
11. 1.726km WNW of Desert Center, CASun, Oct 8, 1:15 PM PDT · 17529 days ago · 6 km deep · 87 km away
12. 1.815km SSW of Ocotillo Wells, CASun, Oct 8, 2:36 PM PDT · 17529 days ago · 7 km deep · 62 km away
13. 2.611km SW of Puebla, B.C., MXSun, Oct 8, 3:35 PM PDT · 17528 days ago · 10 km deep · 55 km away
14. 1.76km NNE of Puebla, B.C., MXMon, Oct 9, 6:34 AM PDT · 17528 days ago · 10 km deep · 46 km away
15. 1.923km ENE of Coachella, CAMon, Oct 9, 8:51 AM PDT · 17528 days ago · 3 km deep · 97 km away
16. 1.624km ENE of Coachella, CAMon, Oct 9, 11:11 AM PDT · 17528 days ago · 1 km deep · 96 km away
17. 1.516km ENE of Thermal, CAMon, Oct 9, 9:50 PM PDT · 17527 days ago · 10 km deep · 90 km away
18. 2.210km SW of Puebla, B.C., MXMon, Oct 9, 11:53 PM PDT · 17527 days ago · 10 km deep · 56 km away
19. 1.79km SW of Puebla, B.C., MXTue, Oct 10, 1:00 AM PDT · 17527 days ago · 10 km deep · 54 km away
20. 1.723km NE of Thermal, CATue, Oct 10, 1:57 AM PDT · 17527 days ago · 6 km deep · 96 km away
21. 1.521km NE of Thermal, CATue, Oct 10, 4:17 AM PDT · 17527 days ago · 6 km deep · 94 km away
22. 2.123km ENE of Coachella, CATue, Oct 10, 11:40 AM PDT · 17527 days ago · 3 km deep · 97 km away
23. 1.521km NE of Thermal, CATue, Oct 10, 5:37 PM PDT · 17526 days ago · 2 km deep · 94 km away
24. 1.68km ESE of Julian, CAWed, Oct 11, 2:05 AM PDT · 17526 days ago · 8 km deep · 90 km away
25. 1.524km ENE of Coachella, CAWed, Oct 11, 6:27 PM PDT · 17525 days ago · 3 km deep · 97 km away
26. 1.86km SE of Borrego Springs, CAWed, Oct 11, 8:34 PM PDT · 17525 days ago · 9 km deep · 77 km away
27. 1.720km ENE of Pine Valley, CAWed, Oct 11, 8:47 PM PDT · 17525 days ago · 6 km deep · 74 km away
28. 2.423km ENE of Coachella, CAThu, Oct 12, 3:40 AM PDT · 17525 days ago · 3 km deep · 96 km away
29. 1.923km ENE of Coachella, CAThu, Oct 12, 3:42 AM PDT · 17525 days ago · 3 km deep · 97 km away
30. 2.42km NW of Guadalupe Victoria, B.C., MXThu, Oct 12, 12:02 PM PDT · 17525 days ago · 10 km deep · 86 km away
31. 1.515km ESE of Julian, CAFri, Oct 13, 6:30 PM PDT · 17523 days ago · 15 km deep · 83 km away
32. 1.88km SW of Holtville, CASat, Oct 14, 6:21 PM PDT · 17522 days ago · 10 km deep · 26 km away
33. 1.727km WNW of Desert Center, CASun, Oct 15, 5:45 AM PDT · 17522 days ago · 6 km deep · 88 km away
34. 2.58km E of Puebla, B.C., MXMon, Oct 16, 12:33 AM PDT · 17521 days ago · 10 km deep · 53 km away
35. 2.527km E of Pine Valley, CAMon, Oct 16, 6:04 PM PDT · 17520 days ago · 15 km deep · 66 km away
36. 1.76km SW of Salton City, CATue, Oct 17, 5:50 PM PDT · 17519 days ago · 6 km deep · 51 km away
37. 1.910km N of Delta, B.C., MXWed, Oct 18, 5:27 AM PDT · 17519 days ago · 6 km deep · 70 km away
38. 1.814km NNW of Bombay Beach, CAWed, Oct 18, 5:52 AM PDT · 17519 days ago · 6 km deep · 57 km away
39. 2.42km WSW of Brawley, CAWed, Oct 18, 8:23 AM PDT · 17519 days ago · 10 km deep · 1 km away
40. 2.82km SW of Brawley, CAWed, Oct 18, 8:26 AM PDT · 17519 days ago · 10 km deep · 2 km away
41. 1.52km W of Brawley, CAWed, Oct 18, 8:26 AM PDT · 17519 days ago · 10 km deep · 1 km away
42. 1.823km NE of Pine Valley, CAWed, Oct 18, 11:13 AM PDT · 17519 days ago · 6 km deep · 72 km away
43. 1.512km NE of Coachella, CAWed, Oct 18, 11:23 AM PDT · 17519 days ago · 6 km deep · 98 km away
44. 1.622km SW of Westmorland, CAThu, Oct 19, 4:39 AM PDT · 17518 days ago · 8 km deep · 24 km away
45. 2.013km W of Alberto Oviedo Mota, B.C., MXThu, Oct 19, 6:27 AM PDT · 17518 days ago · 6 km deep · 87 km away
46. 1.527km WNW of Desert Center, CAFri, Oct 20, 8:26 AM PDT · 17517 days ago · 6 km deep · 88 km away
47. 2.127km WNW of Desert Center, CAFri, Oct 20, 8:26 AM PDT · 17517 days ago · 3 km deep · 89 km away
48. 2.55km NW of Holtville, CASat, Oct 21, 1:55 AM PDT · 17516 days ago · 4 km deep · 21 km away
49. 1.722km ENE of Pine Valley, CASat, Oct 21, 4:39 PM PDT · 17515 days ago · 6 km deep · 72 km away
50. 1.826km WNW of Desert Center, CASun, Oct 22, 1:59 AM PDT · 17515 days ago · 5 km deep · 90 km away
51. 2.833km WSW of Alberto Oviedo Mota, B.C., MXSun, Oct 22, 2:14 AM PDT · 17515 days ago · 6 km deep · 99 km away
52. 1.914km NW of Ocotillo, CASun, Oct 22, 1:59 PM PDT · 17515 days ago · 7 km deep · 53 km away
53. 1.912km SW of Westmorland, CASun, Oct 22, 5:33 PM PDT · 17514 days ago · 7 km deep · 14 km away
54. 1.713km ENE of Borrego Springs, CASun, Oct 22, 5:47 PM PDT · 17514 days ago · 7 km deep · 74 km away
55. 1.623km ENE of Coachella, CASun, Oct 22, 8:01 PM PDT · 17514 days ago · 6 km deep · 96 km away
56. 1.527km WNW of Desert Center, CASun, Oct 22, 9:23 PM PDT · 17514 days ago · 6 km deep · 88 km away
57. 1.61km NW of El Centro, CASun, Oct 22, 10:16 PM PDT · 17514 days ago · 10 km deep · 21 km away
58. 1.722km NE of Thermal, CAMon, Oct 23, 12:57 AM PDT · 17514 days ago · 4 km deep · 95 km away
59. 1.522km NE of Thermal, CAMon, Oct 23, 1:00 AM PDT · 17514 days ago · 4 km deep · 95 km away
60. 1.621km NE of Thermal, CAMon, Oct 23, 1:02 AM PDT · 17514 days ago · 6 km deep · 94 km away

The first 60 of 186.

Before

1. 1.69km NNE of Mecca, CAWed, Oct 4, 1:10 PM PDT · 17533 days ago · 14 km deep · 85 km away
2. 1.722km NE of Thermal, CAWed, Oct 4, 11:32 AM PDT · 17533 days ago · 0 km deep · 95 km away
3. 2.018km ESE of Julian, CAWed, Oct 4, 10:47 AM PDT · 17533 days ago · 14 km deep · 80 km away
4. 1.814km WSW of Niland, CAWed, Oct 4, 4:55 AM PDT · 17533 days ago · 5 km deep · 24 km away
5. 1.722km NE of Thermal, CATue, Oct 3, 11:32 AM PDT · 17534 days ago · 0 km deep · 96 km away
6. 2.06km WNW of Estacion Coahuila, B.C., MXTue, Oct 3, 6:50 AM PDT · 17534 days ago · 6 km deep · 96 km away
7. 1.923km W of Westmorland, CAMon, Oct 2, 5:13 PM PDT · 17534 days ago · 10 km deep · 30 km away
8. 2.210km ESE of Julian, CAMon, Oct 2, 3:00 PM PDT · 17535 days ago · 8 km deep · 89 km away
9. 2.039km WSW of Alberto Oviedo Mota, B.C., MXMon, Oct 2, 3:24 AM PDT · 17535 days ago · 6 km deep · 98 km away
10. 2.222km NE of Pine Valley, CASat, Sep 30, 2:02 PM PDT · 17537 days ago · 11 km deep · 73 km away
11. 2.332km WSW of Alberto Oviedo Mota, B.C., MXSat, Sep 30, 7:06 AM PDT · 17537 days ago · 6 km deep · 95 km away
12. 1.76km WNW of Delta, B.C., MXSat, Sep 30, 6:22 AM PDT · 17537 days ago · 6 km deep · 74 km away
13. 1.513km W of Niland, CASat, Sep 30, 5:57 AM PDT · 17537 days ago · 5 km deep · 30 km away
14. 1.724km SSW of Ocotillo Wells, CASat, Sep 30, 12:35 AM PDT · 17537 days ago · 6 km deep · 67 km away
15. 2.832km WSW of Alberto Oviedo Mota, B.C., MXSat, Sep 30, 12:32 AM PDT · 17537 days ago · 6 km deep · 94 km away
16. 1.824km SSW of Ocotillo Wells, CAFri, Sep 29, 7:12 PM PDT · 17537 days ago · 15 km deep · 66 km away
17. 1.623km SSW of Ocotillo Wells, CAFri, Sep 29, 3:29 PM PDT · 17537 days ago · 6 km deep · 66 km away
18. 1.66km ENE of Westmorland, CAFri, Sep 29, 2:26 PM PDT · 17538 days ago · 9 km deep · 8 km away
19. 1.923km SSW of La Quinta, CAFri, Sep 29, 3:49 AM PDT · 17538 days ago · 10 km deep · 97 km away
20. 1.725km SW of Ocotillo Wells, CAFri, Sep 29, 3:34 AM PDT · 17538 days ago · 6 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3342756. Read Mon, Oct 5, 2026, 9:36 AM UTC.