M1.9 earthquake 6km E of Westmorland, CA

Magnitude

1.9 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Oct 22, 1979, 10:03 PM PDT

UTC

1979-10-23 05:03:20 UTC

Depth

10.8 km (6.7 mi), shallow

Epicenter

33.046° N, 115.556° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 1.1 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

84°

Stations used

22

• Westmorland, CaliforniaPopulation 2,267. Forecast6 kmE
• Brawley, CaliforniaPopulation 25,897. Forecast8 kmNNW
• Mexicali, MexicoPopulation 1,032,686. Forecast47 kmNNW

After

1. 1.66km E of Westmorland, CAMon, Oct 22, 10:08 PM PDT · 17146 days ago · 10 km deep · 1 km away
2. 2.46km E of Westmorland, CAMon, Oct 22, 10:16 PM PDT · 17146 days ago · 14 km deep · 0 km away
3. 2.46km ENE of Westmorland, CAMon, Oct 22, 10:20 PM PDT · 17146 days ago · 12 km deep · 0 km away
4. 1.75km ENE of Westmorland, CAMon, Oct 22, 10:23 PM PDT · 17146 days ago · 6 km deep · 2 km away
5. 1.77km NNW of Brawley, CAMon, Oct 22, 10:25 PM PDT · 17146 days ago · 10 km deep · 1 km away
6. 1.67km E of Westmorland, CATue, Oct 23, 1:30 AM PDT · 17146 days ago · 11 km deep · 1 km away
7. 1.66km E of Westmorland, CATue, Oct 23, 2:10 AM PDT · 17146 days ago · 11 km deep · 1 km away
8. 1.88km SSW of Holtville, CATue, Oct 23, 2:58 AM PDT · 17146 days ago · 15 km deep · 36 km away
9. 2.711km NNE of Ocotillo Wells, CATue, Oct 23, 3:22 AM PDT · 17146 days ago · 15 km deep · 53 km away
10. 2.56km ENE of Westmorland, CATue, Oct 23, 4:06 AM PDT · 17146 days ago · 14 km deep · 0 km away
11. 2.36km E of Westmorland, CATue, Oct 23, 4:12 AM PDT · 17146 days ago · 14 km deep · 0 km away
12. 2.713km WSW of Westmorland, CATue, Oct 23, 5:52 AM PDT · 17146 days ago · 11 km deep · 19 km away
13. 1.87km E of Westmorland, CATue, Oct 23, 6:42 AM PDT · 17146 days ago · 12 km deep · 1 km away
14. 1.519km ENE of Borrego Springs, CATue, Oct 23, 6:47 AM PDT · 17146 days ago · 10 km deep · 65 km away
15. 1.87km E of Westmorland, CATue, Oct 23, 8:10 AM PDT · 17146 days ago · 8 km deep · 1 km away
16. 2.012km SW of Westmorland, CATue, Oct 23, 9:07 AM PDT · 17146 days ago · 5 km deep · 18 km away
17. 1.95km ESE of Westmorland, CATue, Oct 23, 9:37 AM PDT · 17146 days ago · 10 km deep · 3 km away
18. 2.511km SSE of Puebla, B.C., MXTue, Oct 23, 11:29 AM PDT · 17146 days ago · 15 km deep · 67 km away
19. 1.75km E of Westmorland, CATue, Oct 23, 12:19 PM PDT · 17146 days ago · 11 km deep · 2 km away
20. 2.27km SSW of Holtville, CATue, Oct 23, 3:31 PM PDT · 17146 days ago · 15 km deep · 35 km away
21. 1.77km E of Westmorland, CATue, Oct 23, 4:15 PM PDT · 17146 days ago · 11 km deep · 1 km away
22. 2.610km SE of Bombay Beach, CATue, Oct 23, 4:33 PM PDT · 17146 days ago · 4 km deep · 27 km away
23. 1.87km E of Westmorland, CATue, Oct 23, 4:47 PM PDT · 17146 days ago · 12 km deep · 1 km away
24. 1.614km SSE of Bombay Beach, CATue, Oct 23, 5:41 PM PDT · 17146 days ago · 6 km deep · 24 km away
25. 1.913km NNW of Delta, B.C., MXTue, Oct 23, 6:50 PM PDT · 17146 days ago · 5 km deep · 72 km away
26. 2.18km SSE of Calipatria, CATue, Oct 23, 7:00 PM PDT · 17146 days ago · 4 km deep · 6 km away
27. 2.48km WSW of Holtville, CATue, Oct 23, 8:05 PM PDT · 17146 days ago · 15 km deep · 30 km away
28. 1.510km SSW of Holtville, CATue, Oct 23, 9:31 PM PDT · 17145 days ago · 15 km deep · 38 km away
29. 1.98km SSW of Holtville, CATue, Oct 23, 10:52 PM PDT · 17145 days ago · 15 km deep · 36 km away
30. 2.612km NNW of Delta, B.C., MXTue, Oct 23, 11:00 PM PDT · 17145 days ago · 15 km deep · 72 km away
31. 2.314km NNW of Delta, B.C., MXTue, Oct 23, 11:05 PM PDT · 17145 days ago · 15 km deep · 71 km away
32. 2.39km SSW of Holtville, CATue, Oct 23, 11:19 PM PDT · 17145 days ago · 15 km deep · 36 km away
33. 3.112km NNW of Delta, B.C., MXTue, Oct 23, 11:44 PM PDT · 17145 days ago · 15 km deep · 72 km away
34. 1.914km WNW of Calipatria, CAWed, Oct 24, 1:04 AM PDT · 17145 days ago · 5 km deep · 17 km away
35. 2.28km SW of Holtville, CAWed, Oct 24, 2:18 AM PDT · 17145 days ago · 15 km deep · 32 km away
36. 1.55km E of Westmorland, CAWed, Oct 24, 4:11 AM PDT · 17145 days ago · 12 km deep · 2 km away
37. 2.210km NNW of North Shore, CAWed, Oct 24, 8:23 AM PDT · 17145 days ago · 7 km deep · 73 km away
38. 2.412km SSE of Puebla, B.C., MXWed, Oct 24, 8:24 AM PDT · 17145 days ago · 15 km deep · 68 km away
39. 2.49km SSE of Puebla, B.C., MXWed, Oct 24, 8:27 AM PDT · 17145 days ago · 15 km deep · 66 km away
40. 1.67km SSW of Holtville, CAWed, Oct 24, 8:54 AM PDT · 17145 days ago · 15 km deep · 35 km away
41. 1.526km NW of Ocotillo, CAWed, Oct 24, 9:05 AM PDT · 17145 days ago · 9 km deep · 65 km away
42. 1.75km ESE of Westmorland, CAWed, Oct 24, 10:55 AM PDT · 17145 days ago · 5 km deep · 3 km away
43. 2.411km SSE of Puebla, B.C., MXWed, Oct 24, 11:41 AM PDT · 17145 days ago · 6 km deep · 67 km away
44. 1.914km N of Delta, B.C., MXWed, Oct 24, 12:49 PM PDT · 17145 days ago · 15 km deep · 71 km away
45. 2.27km SSW of Holtville, CAWed, Oct 24, 1:29 PM PDT · 17145 days ago · 15 km deep · 35 km away
46. 1.710km SSE of Puebla, B.C., MXWed, Oct 24, 1:36 PM PDT · 17145 days ago · 6 km deep · 67 km away
47. 1.58km SSW of Holtville, CAWed, Oct 24, 5:41 PM PDT · 17145 days ago · 6 km deep · 37 km away
48. 1.59km NE of Calexico, CAWed, Oct 24, 7:03 PM PDT · 17145 days ago · 6 km deep · 37 km away
49. 1.87km NNE of Imperial, CAWed, Oct 24, 7:05 PM PDT · 17145 days ago · 6 km deep · 16 km away
50. 1.87km NE of Heber, CAWed, Oct 24, 7:08 PM PDT · 17145 days ago · 6 km deep · 32 km away
51. 1.57km WSW of Holtville, CAWed, Oct 24, 7:51 PM PDT · 17145 days ago · 15 km deep · 30 km away
52. 2.310km ENE of Mexicali, B.C., MXWed, Oct 24, 9:54 PM PDT · 17144 days ago · 15 km deep · 45 km away
53. 1.97km SW of Holtville, CAWed, Oct 24, 10:37 PM PDT · 17144 days ago · 15 km deep · 34 km away
54. 1.54km S of Brawley, CAWed, Oct 24, 11:14 PM PDT · 17144 days ago · 6 km deep · 12 km away
55. 2.38km SSW of Holtville, CAThu, Oct 25, 1:08 AM PDT · 17144 days ago · 15 km deep · 35 km away
56. 1.74km E of Westmorland, CAThu, Oct 25, 2:28 AM PDT · 17144 days ago · 10 km deep · 2 km away
57. 1.68km SSW of Holtville, CAThu, Oct 25, 2:31 AM PDT · 17144 days ago · 6 km deep · 35 km away
58. 2.28km NE of Heber, CAThu, Oct 25, 7:02 AM PDT · 17144 days ago · 15 km deep · 30 km away
59. 1.513km WNW of Calipatria, CAThu, Oct 25, 9:09 AM PDT · 17144 days ago · 5 km deep · 15 km away
60. 2.014km WNW of Calipatria, CAThu, Oct 25, 9:11 AM PDT · 17144 days ago · 5 km deep · 16 km away

The first 60 of 197.

Before

1. 1.711km SW of Westmorland, CAMon, Oct 22, 9:44 PM PDT · 17146 days ago · 9 km deep · 16 km away
2. 2.010km SW of Westmorland, CAMon, Oct 22, 9:44 PM PDT · 17146 days ago · 8 km deep · 15 km away
3. 1.95km WSW of Brawley, CAMon, Oct 22, 9:14 PM PDT · 17146 days ago · 14 km deep · 10 km away
4. 1.84km ENE of Westmorland, CAMon, Oct 22, 8:36 PM PDT · 17147 days ago · 14 km deep · 2 km away
5. 1.96km SW of Brawley, CAMon, Oct 22, 6:53 PM PDT · 17147 days ago · 14 km deep · 11 km away
6. 1.56km SW of Brawley, CAMon, Oct 22, 6:53 PM PDT · 17147 days ago · 15 km deep · 11 km away
7. 2.77km NNE of Imperial, CAMon, Oct 22, 6:41 PM PDT · 17147 days ago · 14 km deep · 16 km away
8. 1.57km NNE of Imperial, CAMon, Oct 22, 6:41 PM PDT · 17147 days ago · 11 km deep · 15 km away
9. 2.05km E of Westmorland, CAMon, Oct 22, 6:25 PM PDT · 17147 days ago · 11 km deep · 2 km away
10. 2.97km NNE of Imperial, CAMon, Oct 22, 6:13 PM PDT · 17147 days ago · 15 km deep · 15 km away
11. 1.57km SW of Holtville, CAMon, Oct 22, 6:04 PM PDT · 17147 days ago · 15 km deep · 33 km away
12. 1.97km SW of Holtville, CAMon, Oct 22, 3:58 PM PDT · 17147 days ago · 15 km deep · 34 km away
13. 2.59km SSE of Brawley, CAMon, Oct 22, 3:04 PM PDT · 17147 days ago · 13 km deep · 17 km away
14. 2.512km N of Delta, B.C., MXMon, Oct 22, 2:17 PM PDT · 17147 days ago · 15 km deep · 73 km away
15. 1.78km N of Brawley, CAMon, Oct 22, 2:02 PM PDT · 17147 days ago · 11 km deep · 2 km away
16. 2.07km SW of Holtville, CAMon, Oct 22, 12:22 PM PDT · 17147 days ago · 15 km deep · 34 km away
17. 2.413km N of Delta, B.C., MXMon, Oct 22, 12:06 PM PDT · 17147 days ago · 15 km deep · 71 km away
18. 2.36km NE of Imperial, CAMon, Oct 22, 11:48 AM PDT · 17147 days ago · 13 km deep · 18 km away
19. 1.55km NNE of Calipatria, CAMon, Oct 22, 11:43 AM PDT · 17147 days ago · 6 km deep · 14 km away
20. 1.610km WNW of Calipatria, CAMon, Oct 22, 9:26 AM PDT · 17147 days ago · 2 km deep · 13 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12286607. Read Fri, Oct 2, 2026, 3:11 PM UTC.