M1.6 earthquake 5km NW of Brawley, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Dec 18, 1978, 10:53 PM PST

UTC

1978-12-19 06:53:36 UTC

Depth

8.2 km (5.1 mi), shallow

Epicenter

33.006° N, 115.569° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.9 km horizontally, 1.5 km in depth

Depth from

From location

Station coverage gap

139°

Stations used

11

• Brawley, CaliforniaPopulation 25,897. Forecast5 kmNW
• Mexicali, MexicoPopulation 1,032,686. Forecast43 kmNNW

After

1. 1.89km E of Puebla, B.C., MXTue, Dec 19, 9:12 PM PST · 17456 days ago · 10 km deep · 56 km away
2. 2.06km W of Brawley, CATue, Dec 19, 10:13 PM PST · 17456 days ago · 8 km deep · 4 km away
3. 2.321km NNE of Ocotillo, CAWed, Dec 20, 8:19 AM PST · 17456 days ago · 9 km deep · 31 km away
4. 1.622km NNE of Ocotillo, CAWed, Dec 20, 8:19 AM PST · 17456 days ago · 8 km deep · 31 km away
5. 2.05km ENE of Westmorland, CAThu, Dec 21, 12:28 AM PST · 17455 days ago · 10 km deep · 6 km away
6. 2.814km W of Alberto Oviedo Mota, B.C., MXThu, Dec 21, 1:42 AM PST · 17455 days ago · 6 km deep · 91 km away
7. 1.827km WNW of Desert Center, CASat, Dec 23, 6:11 AM PST · 17453 days ago · 4 km deep · 86 km away
8. 1.827km SE of Ocotillo Wells, CASat, Dec 23, 5:16 PM PST · 17452 days ago · 15 km deep · 33 km away
9. 1.712km NW of Progreso, B.C., MXSun, Dec 24, 6:02 AM PST · 17452 days ago · 16 km deep · 40 km away
10. 1.715km W of Imperial, CASun, Dec 24, 11:36 PM PST · 17451 days ago · 10 km deep · 24 km away
11. 2.014km W of Alberto Oviedo Mota, B.C., MXMon, Dec 25, 8:26 AM PST · 17451 days ago · 6 km deep · 87 km away
12. 1.726km SW of Ocotillo, CAMon, Dec 25, 10:10 AM PST · 17451 days ago · 12 km deep · 76 km away
13. 1.811km NW of Progreso, B.C., MXMon, Dec 25, 12:36 PM PST · 17451 days ago · 10 km deep · 39 km away
14. 1.94km ESE of Ocotillo Wells, CAMon, Dec 25, 2:35 PM PST · 17451 days ago · 6 km deep · 51 km away
15. 1.623km SSW of La Quinta, CAThu, Dec 28, 5:34 AM PST · 17448 days ago · 6 km deep · 96 km away
16. 1.526km WSW of Westmorland, CAThu, Dec 28, 5:59 AM PST · 17448 days ago · 5 km deep · 30 km away
17. 1.517km N of North Shore, CAThu, Dec 28, 9:50 AM PST · 17448 days ago · 3 km deep · 82 km away
18. 1.527km WNW of Desert Center, CAThu, Dec 28, 3:48 PM PST · 17448 days ago · 6 km deep · 86 km away
19. 1.527km WNW of Desert Center, CAThu, Dec 28, 3:48 PM PST · 17448 days ago · 8 km deep · 86 km away
20. 1.927km WNW of Desert Center, CAThu, Dec 28, 3:49 PM PST · 17448 days ago · 2 km deep · 86 km away
21. 1.521km NW of Progreso, B.C., MXThu, Dec 28, 9:01 PM PST · 17447 days ago · 7 km deep · 39 km away
22. 1.57km SSW of Holtville, CAFri, Dec 29, 3:18 AM PST · 17447 days ago · 6 km deep · 31 km away
23. 1.78km SW of Holtville, CAFri, Dec 29, 4:04 AM PST · 17447 days ago · 10 km deep · 30 km away
24. 1.66km SW of Holtville, CAFri, Dec 29, 4:50 AM PST · 17447 days ago · 10 km deep · 28 km away
25. 1.76km WSW of Holtville, CAFri, Dec 29, 10:04 AM PST · 17447 days ago · 10 km deep · 28 km away
26. 1.68km SW of Holtville, CAFri, Dec 29, 10:42 AM PST · 17447 days ago · 10 km deep · 29 km away
27. 1.57km SW of Holtville, CAFri, Dec 29, 10:43 AM PST · 17447 days ago · 10 km deep · 29 km away
28. 1.72km SE of El Centro, CASat, Dec 30, 2:00 AM PST · 17446 days ago · 10 km deep · 26 km away
29. 1.69km SSW of Borrego Springs, CASat, Dec 30, 1:48 PM PST · 17446 days ago · 12 km deep · 79 km away
30. 1.510km SSW of Borrego Springs, CASat, Dec 30, 1:48 PM PST · 17446 days ago · 15 km deep · 82 km away
31. 2.18km SE of Ocotillo, CASun, Dec 31, 5:44 AM PST · 17445 days ago · 6 km deep · 49 km away
32. 1.616km N of Delta, B.C., MXMon, Jan 1, 7:40 PM PST · 17443 days ago · 10 km deep · 67 km away
33. 1.613km SSW of Borrego Springs, CAMon, Jan 1, 8:28 PM PST · 17443 days ago · 6 km deep · 83 km away
34. 2.110km W of Calipatria, CAWed, Jan 3, 9:56 AM PST · 17442 days ago · 6 km deep · 16 km away
35. 2.012km ENE of Borrego Springs, CAWed, Jan 3, 1:59 PM PST · 17442 days ago · 5 km deep · 70 km away
36. 1.76km SW of Brawley, CAFri, Jan 5, 1:19 AM PST · 17440 days ago · 10 km deep · 7 km away
37. 1.97km SW of Brawley, CAFri, Jan 5, 1:41 AM PST · 17440 days ago · 10 km deep · 9 km away
38. 1.624km NE of Thermal, CASat, Jan 6, 2:00 AM PST · 17439 days ago · 10 km deep · 91 km away
39. 1.624km ENE of Pine Valley, CASat, Jan 6, 11:00 PM PST · 17438 days ago · 0 km deep · 70 km away
40. 2.09km ENE of El Centro, CASun, Jan 7, 5:46 AM PST · 17438 days ago · 10 km deep · 21 km away
41. 2.210km SW of Salton City, CASun, Jan 7, 9:20 PM PST · 17437 days ago · 9 km deep · 51 km away
42. 2.310km SW of Salton City, CAMon, Jan 8, 1:19 AM PST · 17437 days ago · 5 km deep · 51 km away
43. 2.010km SW of Salton City, CAMon, Jan 8, 1:47 AM PST · 17437 days ago · 6 km deep · 50 km away
44. 1.914km SE of Puebla, B.C., MXMon, Jan 8, 12:09 PM PST · 17437 days ago · 6 km deep · 66 km away
45. 1.79km W of Niland, CATue, Jan 9, 10:49 AM PST · 17436 days ago · 3 km deep · 28 km away
46. 1.610km SW of Salton City, CAWed, Jan 10, 7:14 AM PST · 17435 days ago · 1 km deep · 50 km away
47. 1.918km ESE of Julian, CAWed, Jan 10, 6:12 PM PST · 17434 days ago · 8 km deep · 80 km away
48. 1.76km E of Westmorland, CAWed, Jan 10, 8:28 PM PST · 17434 days ago · 10 km deep · 4 km away
49. 2.417km ESE of Julian, CAThu, Jan 11, 5:17 AM PST · 17434 days ago · 13 km deep · 81 km away
50. 1.918km ESE of Julian, CAThu, Jan 11, 7:16 AM PST · 17434 days ago · 12 km deep · 80 km away
51. 1.818km ESE of Julian, CAThu, Jan 11, 12:07 PM PST · 17434 days ago · 8 km deep · 80 km away
52. 1.69km WSW of Ocotillo, CASat, Jan 13, 12:47 PM PST · 17432 days ago · 9 km deep · 59 km away
53. 1.83km WSW of Brawley, CASat, Jan 13, 6:34 PM PST · 17431 days ago · 10 km deep · 5 km away
54. 2.12km WSW of Brawley, CASun, Jan 14, 12:21 PM PST · 17431 days ago · 10 km deep · 4 km away
55. 2.69km NNW of Holtville, CAMon, Jan 15, 9:55 AM PST · 17430 days ago · 5 km deep · 19 km away
56. 2.38km NNW of Holtville, CAMon, Jan 15, 10:17 AM PST · 17430 days ago · 5 km deep · 20 km away
57. 3.030km WSW of Alberto Oviedo Mota, B.C., MXMon, Jan 15, 8:50 PM PST · 17429 days ago · 6 km deep · 96 km away
58. 2.932km WSW of Alberto Oviedo Mota, B.C., MXMon, Jan 15, 8:50 PM PST · 17429 days ago · 6 km deep · 94 km away
59. 1.522km ESE of Anza, CAMon, Jan 15, 9:03 PM PST · 17429 days ago · 14 km deep · 98 km away
60. 1.721km ESE of Anza, CATue, Jan 16, 3:57 AM PST · 17429 days ago · 16 km deep · 99 km away

The first 60 of 168.

Before

1. 1.821km SW of Westmorland, CAMon, Dec 18, 6:48 PM PST · 17457 days ago · 8 km deep · 24 km away
2. 2.411km ESE of Puebla, B.C., MXSun, Dec 17, 8:40 AM PST · 17459 days ago · 10 km deep · 60 km away
3. 2.510km NE of Coachella, CASun, Dec 17, 7:56 AM PST · 17459 days ago · 6 km deep · 95 km away
4. 1.610km NE of Coachella, CASun, Dec 17, 7:30 AM PST · 17459 days ago · 6 km deep · 95 km away
5. 1.710km NE of Coachella, CASun, Dec 17, 6:14 AM PST · 17459 days ago · 4 km deep · 95 km away
6. 1.522km SW of Westmorland, CASat, Dec 16, 5:47 AM PST · 17460 days ago · 7 km deep · 25 km away
7. 1.712km N of Delta, B.C., MXSat, Dec 16, 1:48 AM PST · 17460 days ago · 10 km deep · 71 km away
8. 1.618km SSW of Ocotillo Wells, CASat, Dec 16, 1:04 AM PST · 17460 days ago · 6 km deep · 61 km away
9. 1.71km SSE of Brawley, CAFri, Dec 15, 7:19 PM PST · 17460 days ago · 10 km deep · 6 km away
10. 1.73km NE of Heber, CAFri, Dec 15, 6:02 AM PST · 17461 days ago · 6 km deep · 29 km away
11. 1.811km N of Borrego Springs, CAThu, Dec 14, 6:43 AM PST · 17462 days ago · 14 km deep · 85 km away
12. 1.96km E of Westmorland, CAThu, Dec 14, 1:31 AM PST · 17462 days ago · 9 km deep · 4 km away
13. 1.925km WNW of Desert Center, CAWed, Dec 13, 2:23 PM PST · 17463 days ago · 2 km deep · 85 km away
14. 1.724km W of Desert Center, CAWed, Dec 13, 2:11 PM PST · 17463 days ago · 6 km deep · 82 km away
15. 2.612km SW of Westmorland, CAWed, Dec 13, 2:14 AM PST · 17463 days ago · 10 km deep · 14 km away
16. 2.04km NNW of Brawley, CATue, Dec 12, 10:51 AM PST · 17464 days ago · 10 km deep · 2 km away
17. 1.94km NNW of Brawley, CATue, Dec 12, 10:27 AM PST · 17464 days ago · 9 km deep · 2 km away
18. 1.86km N of Brawley, CATue, Dec 12, 10:22 AM PST · 17464 days ago · 8 km deep · 4 km away
19. 1.86km N of Brawley, CATue, Dec 12, 10:21 AM PST · 17464 days ago · 8 km deep · 4 km away
20. 1.94km NNW of Brawley, CATue, Dec 12, 6:34 AM PST · 17464 days ago · 9 km deep · 2 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3314259. Read Mon, Oct 5, 2026, 11:50 AM UTC.