M1.6 earthquake 12km WSW of Puebla, B.C., MX

Magnitude

1.6 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Sat, May 2, 1981, 3:57 AM PDT

UTC

1981-05-02 10:57:37 UTC

Depth

5.9 km (3.6 mi), shallow

Epicenter

32.520° N, 115.464° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 3.6 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

237°, poorly surrounded by stations

Stations used

6

• Puebla, MexicoPopulation 15,168. Forecast12 kmWSW
• Mexicali, MexicoPopulation 1,032,686. Forecast12 kmS

After

1. 1.76km S of Niland, CASat, May 2, 5:21 AM PDT · 16588 days ago · 4 km deep · 74 km away
2. 1.512km WSW of Niland, CASat, May 2, 7:32 AM PDT · 16588 days ago · 10 km deep · 76 km away
3. 2.97km WSW of Westmorland, CASat, May 2, 8:37 AM PDT · 16588 days ago · 14 km deep · 60 km away
4. 1.56km WNW of Westmorland, CASat, May 2, 9:38 AM PDT · 16588 days ago · 4 km deep · 64 km away
5. 2.47km W of Westmorland, CASat, May 2, 10:36 AM PDT · 16588 days ago · 11 km deep · 62 km away
6. 2.311km WSW of Niland, CASat, May 2, 12:40 PM PDT · 16588 days ago · 8 km deep · 78 km away
7. 1.511km WSW of Niland, CASat, May 2, 12:48 PM PDT · 16588 days ago · 6 km deep · 78 km away
8. 1.711km WSW of Niland, CASat, May 2, 12:51 PM PDT · 16588 days ago · 7 km deep · 78 km away
9. 2.212km WNW of Calipatria, CASat, May 2, 2:24 PM PDT · 16588 days ago · 11 km deep · 72 km away
10. 3.326km ENE of Pine Valley, CASat, May 2, 2:50 PM PDT · 16588 days ago · 12 km deep · 89 km away
11. 2.912km WSW of Niland, CASat, May 2, 4:56 PM PDT · 16588 days ago · 12 km deep · 78 km away
12. 1.811km WSW of Niland, CASat, May 2, 5:30 PM PDT · 16588 days ago · 5 km deep · 78 km away
13. 2.06km ESE of Niland, CASat, May 2, 6:33 PM PDT · 16588 days ago · 4 km deep · 77 km away
14. 1.711km WSW of Niland, CASat, May 2, 9:39 PM PDT · 16588 days ago · 8 km deep · 78 km away
15. 1.813km WSW of Westmorland, CASat, May 2, 10:43 PM PDT · 16588 days ago · 11 km deep · 57 km away
16. 1.611km WSW of Westmorland, CASat, May 2, 10:57 PM PDT · 16588 days ago · 3 km deep · 58 km away
17. 1.77km W of Westmorland, CASun, May 3, 4:03 AM PDT · 16587 days ago · 4 km deep · 60 km away
18. 1.86km W of Westmorland, CASun, May 3, 4:22 AM PDT · 16587 days ago · 12 km deep · 62 km away
19. 2.212km SW of Puebla, B.C., MXSun, May 3, 5:39 AM PDT · 16587 days ago · 6 km deep · 5 km away
20. 1.77km W of Westmorland, CASun, May 3, 7:17 AM PDT · 16587 days ago · 9 km deep · 62 km away
21. 1.97km NE of Imperial, CASun, May 3, 7:37 AM PDT · 16587 days ago · 9 km deep · 42 km away
22. 1.95km SE of Niland, CASun, May 3, 8:12 AM PDT · 16587 days ago · 4 km deep · 77 km away
23. 2.68km WSW of Calipatria, CASun, May 3, 8:24 AM PDT · 16587 days ago · 14 km deep · 66 km away
24. 2.225km ENE of Pine Valley, CASun, May 3, 9:57 AM PDT · 16587 days ago · 10 km deep · 90 km away
25. 1.610km N of Westmorland, CASun, May 3, 10:40 AM PDT · 16587 days ago · 10 km deep · 70 km away
26. 1.710km N of Westmorland, CASun, May 3, 10:55 AM PDT · 16587 days ago · 10 km deep · 69 km away
27. 1.710km N of Westmorland, CASun, May 3, 11:01 AM PDT · 16587 days ago · 9 km deep · 69 km away
28. 2.07km SE of Niland, CASun, May 3, 11:08 AM PDT · 16587 days ago · 7 km deep · 76 km away
29. 1.67km SE of Niland, CASun, May 3, 11:12 AM PDT · 16587 days ago · 4 km deep · 75 km away
30. 2.07km SE of Niland, CASun, May 3, 11:17 AM PDT · 16587 days ago · 7 km deep · 76 km away
31. 1.511km N of Westmorland, CASun, May 3, 11:42 AM PDT · 16587 days ago · 9 km deep · 70 km away
32. 1.76km ESE of Niland, CASun, May 3, 12:10 PM PDT · 16587 days ago · 3 km deep · 77 km away
33. 2.513km WSW of Niland, CASun, May 3, 12:15 PM PDT · 16587 days ago · 13 km deep · 78 km away
34. 1.612km WSW of Niland, CASun, May 3, 12:17 PM PDT · 16587 days ago · 12 km deep · 77 km away
35. 1.611km N of Westmorland, CASun, May 3, 12:53 PM PDT · 16587 days ago · 10 km deep · 71 km away
36. 1.58km SE of Niland, CASun, May 3, 1:18 PM PDT · 16587 days ago · 8 km deep · 75 km away
37. 1.58km ESE of Niland, CASun, May 3, 1:28 PM PDT · 16587 days ago · 4 km deep · 76 km away
38. 1.611km WSW of Niland, CASun, May 3, 1:39 PM PDT · 16587 days ago · 9 km deep · 77 km away
39. 1.96km ESE of Niland, CASun, May 3, 2:00 PM PDT · 16587 days ago · 4 km deep · 77 km away
40. 1.66km ESE of Niland, CASun, May 3, 3:44 PM PDT · 16587 days ago · 5 km deep · 77 km away
41. 1.76km ESE of Niland, CASun, May 3, 4:58 PM PDT · 16587 days ago · 4 km deep · 77 km away
42. 2.07km ESE of Niland, CASun, May 3, 5:13 PM PDT · 16587 days ago · 4 km deep · 77 km away
43. 1.77km ESE of Niland, CASun, May 3, 5:14 PM PDT · 16587 days ago · 4 km deep · 76 km away
44. 1.67km ESE of Niland, CASun, May 3, 5:16 PM PDT · 16587 days ago · 5 km deep · 76 km away
45. 1.77km ESE of Niland, CASun, May 3, 5:26 PM PDT · 16587 days ago · 3 km deep · 77 km away
46. 1.711km WSW of Niland, CASun, May 3, 6:12 PM PDT · 16587 days ago · 5 km deep · 77 km away
47. 2.25km ESE of Niland, CASun, May 3, 6:33 PM PDT · 16587 days ago · 5 km deep · 78 km away
48. 1.65km ESE of Niland, CASun, May 3, 6:41 PM PDT · 16587 days ago · 9 km deep · 78 km away
49. 1.86km ESE of Niland, CASun, May 3, 6:46 PM PDT · 16587 days ago · 4 km deep · 78 km away
50. 1.57km ESE of Niland, CASun, May 3, 6:48 PM PDT · 16587 days ago · 3 km deep · 77 km away
51. 1.56km ESE of Niland, CASun, May 3, 7:34 PM PDT · 16587 days ago · 3 km deep · 77 km away
52. 1.76km W of Westmorland, CASun, May 3, 8:23 PM PDT · 16587 days ago · 11 km deep · 61 km away
53. 2.04km SE of Niland, CASun, May 3, 8:35 PM PDT · 16587 days ago · 11 km deep · 78 km away
54. 1.76km ESE of Niland, CASun, May 3, 10:34 PM PDT · 16587 days ago · 4 km deep · 78 km away
55. 2.636km WSW of Alberto Oviedo Mota, B.C., MXSun, May 3, 10:51 PM PDT · 16587 days ago · 6 km deep · 51 km away
56. 1.86km ESE of Niland, CASun, May 3, 11:28 PM PDT · 16587 days ago · 5 km deep · 77 km away
57. 1.67km ESE of Niland, CASun, May 3, 11:49 PM PDT · 16587 days ago · 5 km deep · 76 km away
58. 2.612km WSW of Niland, CASun, May 3, 11:58 PM PDT · 16587 days ago · 14 km deep · 78 km away
59. 2.26km ESE of Niland, CAMon, May 4, 12:00 AM PDT · 16587 days ago · 4 km deep · 78 km away
60. 2.15km ESE of Niland, CAMon, May 4, 1:58 AM PDT · 16587 days ago · 9 km deep · 77 km away

The first 60 of 193.

Before

1. 2.510km SW of Puebla, B.C., MXSat, May 2, 3:56 AM PDT · 16588 days ago · 6 km deep · 4 km away
2. 1.85km N of Calipatria, CASat, May 2, 1:02 AM PDT · 16589 days ago · 6 km deep · 72 km away
3. 2.06km N of Calipatria, CASat, May 2, 12:53 AM PDT · 16589 days ago · 5 km deep · 73 km away
4. 1.712km WSW of Niland, CAFri, May 1, 4:23 PM PDT · 16589 days ago · 7 km deep · 77 km away
5. 2.812km WSW of Niland, CAFri, May 1, 4:03 PM PDT · 16589 days ago · 12 km deep · 78 km away
6. 1.811km WSW of Niland, CAFri, May 1, 3:01 PM PDT · 16589 days ago · 5 km deep · 77 km away
7. 1.812km WSW of Niland, CAFri, May 1, 2:57 PM PDT · 16589 days ago · 7 km deep · 78 km away
8. 1.98km WSW of Calipatria, CAFri, May 1, 12:34 PM PDT · 16589 days ago · 5 km deep · 67 km away
9. 1.67km WSW of Calipatria, CAFri, May 1, 12:15 PM PDT · 16589 days ago · 7 km deep · 66 km away
10. 1.56km W of Westmorland, CAFri, May 1, 11:54 AM PDT · 16589 days ago · 11 km deep · 61 km away
11. 1.56km WNW of Westmorland, CAFri, May 1, 7:23 AM PDT · 16589 days ago · 2 km deep · 63 km away
12. 2.05km WNW of Westmorland, CAFri, May 1, 6:31 AM PDT · 16589 days ago · 4 km deep · 63 km away
13. 2.343km E of Ensenada, B.C., MXFri, May 1, 5:29 AM PDT · 16589 days ago · 5 km deep · 94 km away
14. 1.78km WSW of Calipatria, CAThu, Apr 30, 10:14 PM PDT · 16590 days ago · 9 km deep · 66 km away
15. 1.87km WSW of Calipatria, CAThu, Apr 30, 7:03 PM PDT · 16590 days ago · 8 km deep · 66 km away
16. 2.77km W of Westmorland, CAThu, Apr 30, 5:33 PM PDT · 16590 days ago · 12 km deep · 62 km away
17. 1.926km SSW of Ocotillo Wells, CAThu, Apr 30, 4:27 PM PDT · 16590 days ago · 6 km deep · 84 km away
18. 1.74km SW of Niland, CAThu, Apr 30, 2:46 PM PDT · 16590 days ago · 2 km deep · 78 km away
19. 1.96km NE of Calipatria, CAThu, Apr 30, 11:58 AM PDT · 16590 days ago · 7 km deep · 72 km away
20. 1.76km NE of Westmorland, CAThu, Apr 30, 9:55 AM PDT · 16590 days ago · 9 km deep · 64 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci515200. Read Thu, Oct 1, 2026, 8:37 PM UTC.