M2.5 earthquake 12km N of Delta, B.C., MX

Magnitude

2.5 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Oct 22, 1979, 2:17 PM PDT

UTC

1979-10-22 21:17:16 UTC

Depth

15.0 km (9.3 mi), shallow

Epicenter

32.461° N, 115.192° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.7 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.23

Depth from

Operator assigned

Station coverage gap

204°, poorly surrounded by stations

Stations used

16

• Puebla, MexicoPopulation 15,168. Forecast19 kmSE
• Mexicali, MexicoPopulation 1,032,686. Forecast31 kmSE

After

1. 2.59km SSE of Brawley, CAMon, Oct 22, 3:04 PM PDT · 17149 days ago · 13 km deep · 57 km away
2. 1.97km SW of Holtville, CAMon, Oct 22, 3:58 PM PDT · 17149 days ago · 15 km deep · 40 km away
3. 1.57km SW of Holtville, CAMon, Oct 22, 6:04 PM PDT · 17149 days ago · 15 km deep · 41 km away
4. 2.97km NNE of Imperial, CAMon, Oct 22, 6:13 PM PDT · 17149 days ago · 15 km deep · 59 km away
5. 2.05km E of Westmorland, CAMon, Oct 22, 6:25 PM PDT · 17149 days ago · 11 km deep · 73 km away
6. 1.57km NNE of Imperial, CAMon, Oct 22, 6:41 PM PDT · 17149 days ago · 11 km deep · 60 km away
7. 2.77km NNE of Imperial, CAMon, Oct 22, 6:41 PM PDT · 17149 days ago · 14 km deep · 59 km away
8. 1.56km SW of Brawley, CAMon, Oct 22, 6:53 PM PDT · 17149 days ago · 15 km deep · 65 km away
9. 1.96km SW of Brawley, CAMon, Oct 22, 6:53 PM PDT · 17149 days ago · 14 km deep · 64 km away
10. 1.84km ENE of Westmorland, CAMon, Oct 22, 8:36 PM PDT · 17149 days ago · 14 km deep · 75 km away
11. 1.95km WSW of Brawley, CAMon, Oct 22, 9:14 PM PDT · 17149 days ago · 14 km deep · 66 km away
12. 2.010km SW of Westmorland, CAMon, Oct 22, 9:44 PM PDT · 17149 days ago · 8 km deep · 74 km away
13. 1.711km SW of Westmorland, CAMon, Oct 22, 9:44 PM PDT · 17149 days ago · 9 km deep · 75 km away
14. 1.96km E of Westmorland, CAMon, Oct 22, 10:03 PM PDT · 17149 days ago · 11 km deep · 73 km away
15. 1.66km E of Westmorland, CAMon, Oct 22, 10:08 PM PDT · 17149 days ago · 10 km deep · 73 km away
16. 2.46km E of Westmorland, CAMon, Oct 22, 10:16 PM PDT · 17149 days ago · 14 km deep · 74 km away
17. 2.46km ENE of Westmorland, CAMon, Oct 22, 10:20 PM PDT · 17149 days ago · 12 km deep · 74 km away
18. 1.75km ENE of Westmorland, CAMon, Oct 22, 10:23 PM PDT · 17149 days ago · 6 km deep · 75 km away
19. 1.77km NNW of Brawley, CAMon, Oct 22, 10:25 PM PDT · 17149 days ago · 10 km deep · 72 km away
20. 1.67km E of Westmorland, CATue, Oct 23, 1:30 AM PDT · 17149 days ago · 11 km deep · 72 km away
21. 1.66km E of Westmorland, CATue, Oct 23, 2:10 AM PDT · 17149 days ago · 11 km deep · 73 km away
22. 1.88km SSW of Holtville, CATue, Oct 23, 2:58 AM PDT · 17149 days ago · 15 km deep · 38 km away
23. 2.56km ENE of Westmorland, CATue, Oct 23, 4:06 AM PDT · 17149 days ago · 14 km deep · 74 km away
24. 2.36km E of Westmorland, CATue, Oct 23, 4:12 AM PDT · 17149 days ago · 14 km deep · 74 km away
25. 2.713km WSW of Westmorland, CATue, Oct 23, 5:52 AM PDT · 17149 days ago · 11 km deep · 77 km away
26. 1.87km E of Westmorland, CATue, Oct 23, 6:42 AM PDT · 17149 days ago · 12 km deep · 73 km away
27. 1.87km E of Westmorland, CATue, Oct 23, 8:10 AM PDT · 17149 days ago · 8 km deep · 73 km away
28. 2.012km SW of Westmorland, CATue, Oct 23, 9:07 AM PDT · 17148 days ago · 5 km deep · 76 km away
29. 1.95km ESE of Westmorland, CATue, Oct 23, 9:37 AM PDT · 17148 days ago · 10 km deep · 72 km away
30. 2.511km SSE of Puebla, B.C., MXTue, Oct 23, 11:29 AM PDT · 17148 days ago · 15 km deep · 12 km away
31. 1.75km E of Westmorland, CATue, Oct 23, 12:19 PM PDT · 17148 days ago · 11 km deep · 73 km away
32. 2.27km SSW of Holtville, CATue, Oct 23, 3:31 PM PDT · 17148 days ago · 15 km deep · 39 km away
33. 1.77km E of Westmorland, CATue, Oct 23, 4:15 PM PDT · 17148 days ago · 11 km deep · 73 km away
34. 1.87km E of Westmorland, CATue, Oct 23, 4:47 PM PDT · 17148 days ago · 12 km deep · 73 km away
35. 1.614km SSE of Bombay Beach, CATue, Oct 23, 5:41 PM PDT · 17148 days ago · 6 km deep · 97 km away
36. 1.913km NNW of Delta, B.C., MXTue, Oct 23, 6:50 PM PDT · 17148 days ago · 5 km deep · 3 km away
37. 2.18km SSE of Calipatria, CATue, Oct 23, 7:00 PM PDT · 17148 days ago · 4 km deep · 72 km away
38. 2.48km WSW of Holtville, CATue, Oct 23, 8:05 PM PDT · 17148 days ago · 15 km deep · 44 km away
39. 1.510km SSW of Holtville, CATue, Oct 23, 9:31 PM PDT · 17148 days ago · 15 km deep · 36 km away
40. 1.98km SSW of Holtville, CATue, Oct 23, 10:52 PM PDT · 17148 days ago · 15 km deep · 38 km away
41. 2.612km NNW of Delta, B.C., MXTue, Oct 23, 11:00 PM PDT · 17148 days ago · 15 km deep · 3 km away
42. 2.314km NNW of Delta, B.C., MXTue, Oct 23, 11:05 PM PDT · 17148 days ago · 15 km deep · 3 km away
43. 2.39km SSW of Holtville, CATue, Oct 23, 11:19 PM PDT · 17148 days ago · 15 km deep · 39 km away
44. 3.112km NNW of Delta, B.C., MXTue, Oct 23, 11:44 PM PDT · 17148 days ago · 15 km deep · 4 km away
45. 1.914km WNW of Calipatria, CAWed, Oct 24, 1:04 AM PDT · 17148 days ago · 5 km deep · 90 km away
46. 2.28km SW of Holtville, CAWed, Oct 24, 2:18 AM PDT · 17148 days ago · 15 km deep · 42 km away
47. 1.55km E of Westmorland, CAWed, Oct 24, 4:11 AM PDT · 17148 days ago · 12 km deep · 73 km away
48. 2.412km SSE of Puebla, B.C., MXWed, Oct 24, 8:24 AM PDT · 17148 days ago · 15 km deep · 12 km away
49. 2.49km SSE of Puebla, B.C., MXWed, Oct 24, 8:27 AM PDT · 17148 days ago · 15 km deep · 12 km away
50. 1.67km SSW of Holtville, CAWed, Oct 24, 8:54 AM PDT · 17148 days ago · 15 km deep · 39 km away
51. 1.75km ESE of Westmorland, CAWed, Oct 24, 10:55 AM PDT · 17147 days ago · 5 km deep · 72 km away
52. 2.411km SSE of Puebla, B.C., MXWed, Oct 24, 11:41 AM PDT · 17147 days ago · 6 km deep · 11 km away
53. 1.914km N of Delta, B.C., MXWed, Oct 24, 12:49 PM PDT · 17147 days ago · 15 km deep · 3 km away
54. 2.27km SSW of Holtville, CAWed, Oct 24, 1:29 PM PDT · 17147 days ago · 15 km deep · 39 km away
55. 1.710km SSE of Puebla, B.C., MXWed, Oct 24, 1:36 PM PDT · 17147 days ago · 6 km deep · 11 km away
56. 1.58km SSW of Holtville, CAWed, Oct 24, 5:41 PM PDT · 17147 days ago · 6 km deep · 37 km away
57. 1.59km NE of Calexico, CAWed, Oct 24, 7:03 PM PDT · 17147 days ago · 6 km deep · 37 km away
58. 1.87km NNE of Imperial, CAWed, Oct 24, 7:05 PM PDT · 17147 days ago · 6 km deep · 58 km away
59. 1.87km NE of Heber, CAWed, Oct 24, 7:08 PM PDT · 17147 days ago · 6 km deep · 43 km away
60. 1.57km WSW of Holtville, CAWed, Oct 24, 7:51 PM PDT · 17147 days ago · 15 km deep · 44 km away

The first 60 of at least 202.

Before

1. 1.78km N of Brawley, CAMon, Oct 22, 2:02 PM PDT · 17149 days ago · 11 km deep · 73 km away
2. 2.07km SW of Holtville, CAMon, Oct 22, 12:22 PM PDT · 17149 days ago · 15 km deep · 40 km away
3. 2.413km N of Delta, B.C., MXMon, Oct 22, 12:06 PM PDT · 17149 days ago · 15 km deep · 3 km away
4. 2.36km NE of Imperial, CAMon, Oct 22, 11:48 AM PDT · 17149 days ago · 13 km deep · 57 km away
5. 1.55km NNE of Calipatria, CAMon, Oct 22, 11:43 AM PDT · 17149 days ago · 6 km deep · 83 km away
6. 1.610km WNW of Calipatria, CAMon, Oct 22, 9:26 AM PDT · 17149 days ago · 2 km deep · 87 km away
7. 1.711km E of Calipatria, CAMon, Oct 22, 9:05 AM PDT · 17149 days ago · 6 km deep · 75 km away
8. 1.58km E of Imperial, CAMon, Oct 22, 7:52 AM PDT · 17150 days ago · 13 km deep · 51 km away
9. 2.19km SSW of Holtville, CAMon, Oct 22, 6:36 AM PDT · 17150 days ago · 15 km deep · 36 km away
10. 2.36km E of Westmorland, CAMon, Oct 22, 6:26 AM PDT · 17150 days ago · 12 km deep · 73 km away
11. 1.710km WSW of Niland, CAMon, Oct 22, 5:02 AM PDT · 17150 days ago · 5 km deep · 93 km away
12. 2.68km WSW of Holtville, CAMon, Oct 22, 3:40 AM PDT · 17150 days ago · 15 km deep · 44 km away
13. 2.49km N of Delta, B.C., MXSun, Oct 21, 11:07 PM PDT · 17150 days ago · 15 km deep · 3 km away
14. 1.98km NNE of Delta, B.C., MXSun, Oct 21, 11:01 PM PDT · 17150 days ago · 4 km deep · 5 km away
15. 2.28km WSW of Holtville, CASun, Oct 21, 9:40 PM PDT · 17150 days ago · 15 km deep · 44 km away
16. 1.96km NNE of Delta, B.C., MXSun, Oct 21, 9:29 PM PDT · 17150 days ago · 6 km deep · 6 km away
17. 1.75km NE of Westmorland, CASun, Oct 21, 9:05 PM PDT · 17150 days ago · 6 km deep · 78 km away
18. 1.67km SW of Holtville, CASun, Oct 21, 8:23 PM PDT · 17150 days ago · 12 km deep · 41 km away
19. 1.75km S of Brawley, CASun, Oct 21, 6:57 PM PDT · 17150 days ago · 14 km deep · 61 km away
20. 2.28km WSW of Holtville, CASun, Oct 21, 5:43 PM PDT · 17150 days ago · 15 km deep · 44 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3353163. Read Mon, Oct 5, 2026, 3:31 AM UTC.