M1.8 earthquake 13km NNW of Delta, B.C., MX

Magnitude

1.8 (mh), micro

Local time

Thu, Jun 25, 1981, 10:40 PM PDT

UTC

1981-06-26 05:40:01 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

32.463° N, 115.241° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 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. Forecast16 kmSE
• Mexicali, MexicoPopulation 1,032,686. Forecast27 kmSE

After

1. 1.78km NNE of Westmorland, CAFri, Jun 26, 9:02 PM PDT · 16529 days ago · 14 km deep · 79 km away
2. 1.513km SSE of Bombay Beach, CASun, Jun 28, 4:11 AM PDT · 16528 days ago · 4 km deep · 96 km away
3. 2.163km SW of Alberto Oviedo Mota, B.C., MXSun, Jun 28, 5:08 AM PDT · 16528 days ago · 6 km deep · 77 km away
4. 2.25km NW of Brawley, CASun, Jun 28, 6:23 PM PDT · 16527 days ago · 15 km deep · 68 km away
5. 2.068km SW of Alberto Oviedo Mota, B.C., MXMon, Jun 29, 1:35 PM PDT · 16526 days ago · 6 km deep · 82 km away
6. 2.216km W of Imperial, CATue, Jun 30, 12:18 AM PDT · 16526 days ago · 5 km deep · 64 km away
7. 1.77km W of Westmorland, CAWed, Jul 1, 3:45 PM PDT · 16524 days ago · 6 km deep · 76 km away
8. 2.16km WNW of Westmorland, CAThu, Jul 2, 5:12 AM PDT · 16524 days ago · 11 km deep · 77 km away
9. 1.522km NNE of Ocotillo, CAThu, Jul 2, 6:25 AM PDT · 16524 days ago · 10 km deep · 76 km away
10. 2.08km SW of Holtville, CAThu, Jul 2, 2:38 PM PDT · 16523 days ago · 18 km deep · 37 km away
11. 2.068km WSW of Alberto Oviedo Mota, B.C., MXThu, Jul 2, 7:10 PM PDT · 16523 days ago · 6 km deep · 81 km away
12. 1.66km W of Westmorland, CAFri, Jul 3, 12:29 AM PDT · 16523 days ago · 11 km deep · 76 km away
13. 1.72km WSW of Brawley, CAFri, Jul 3, 6:35 PM PDT · 16522 days ago · 12 km deep · 64 km away
14. 1.74km WSW of Brawley, CASat, Jul 4, 2:41 PM PDT · 16521 days ago · 6 km deep · 64 km away
15. 1.63km SW of Brawley, CASat, Jul 4, 2:56 PM PDT · 16521 days ago · 14 km deep · 63 km away
16. 1.66km WNW of Westmorland, CASun, Jul 5, 11:08 AM PDT · 16521 days ago · 4 km deep · 78 km away
17. 1.721km WNW of Imperial, CASun, Jul 5, 11:22 AM PDT · 16521 days ago · 9 km deep · 70 km away
18. 2.123km WSW of Westmorland, CAMon, Jul 6, 5:44 AM PDT · 16520 days ago · 8 km deep · 79 km away
19. 2.014km WSW of Westmorland, CATue, Jul 7, 11:38 PM PDT · 16518 days ago · 5 km deep · 74 km away
20. 1.97km S of Brawley, CAThu, Jul 9, 8:52 AM PDT · 16517 days ago · 14 km deep · 57 km away
21. 2.210km SW of Puebla, B.C., MXSun, Jul 12, 1:55 AM PDT · 16514 days ago · 6 km deep · 19 km away
22. 1.712km SSW of Puebla, B.C., MXSun, Jul 12, 2:59 PM PDT · 16513 days ago · 6 km deep · 16 km away
23. 2.418km SW of Ocotillo, CASun, Jul 12, 3:52 PM PDT · 16513 days ago · 12 km deep · 86 km away
24. 1.92km SSW of Brawley, CASun, Jul 12, 4:08 PM PDT · 16513 days ago · 15 km deep · 62 km away
25. 2.013km SSW of Puebla, B.C., MXSun, Jul 12, 11:31 PM PDT · 16513 days ago · 6 km deep · 16 km away
26. 2.411km SSW of Puebla, B.C., MXMon, Jul 13, 12:07 AM PDT · 16513 days ago · 6 km deep · 16 km away
27. 1.79km E of Puebla, B.C., MXMon, Jul 13, 3:30 PM PDT · 16512 days ago · 6 km deep · 11 km away
28. 1.66km NNE of Calipatria, CAMon, Jul 13, 4:30 PM PDT · 16512 days ago · 7 km deep · 83 km away
29. 1.62km SSW of Brawley, CATue, Jul 14, 6:44 AM PDT · 16512 days ago · 13 km deep · 62 km away
30. 2.519km SW of Ocotillo, CATue, Jul 14, 11:49 AM PDT · 16512 days ago · 14 km deep · 85 km away
31. 1.713km WNW of Progreso, B.C., MXWed, Jul 15, 12:00 PM PDT · 16511 days ago · 12 km deep · 48 km away
32. 1.622km WSW of Westmorland, CAWed, Jul 15, 10:18 PM PDT · 16510 days ago · 7 km deep · 75 km away
33. 2.016km W of Westmorland, CAThu, Jul 16, 9:10 AM PDT · 16510 days ago · 5 km deep · 80 km away
34. 2.316km W of Imperial, CAFri, Jul 17, 11:29 PM PDT · 16508 days ago · 14 km deep · 62 km away
35. 2.121km W of Westmorland, CASat, Jul 18, 9:10 AM PDT · 16508 days ago · 4 km deep · 83 km away
36. 1.513km W of Niland, CASat, Jul 18, 3:12 PM PDT · 16507 days ago · 5 km deep · 96 km away
37. 1.78km NNW of Delta, B.C., MXSat, Jul 18, 3:42 PM PDT · 16507 days ago · 6 km deep · 5 km away
38. 1.55km S of Brawley, CATue, Jul 21, 2:10 AM PDT · 16505 days ago · 14 km deep · 60 km away
39. 1.59km NW of Ocotillo, CAThu, Jul 23, 12:35 PM PDT · 16503 days ago · 5 km deep · 85 km away
40. 2.011km SE of Puebla, B.C., MXSun, Jul 26, 7:28 AM PDT · 16500 days ago · 6 km deep · 4 km away
41. 2.061km WSW of Alberto Oviedo Mota, B.C., MXSun, Jul 26, 9:38 AM PDT · 16500 days ago · 6 km deep · 74 km away
42. 1.56km NE of Estacion Coahuila, B.C., MXMon, Jul 27, 5:53 PM PDT · 16498 days ago · 6 km deep · 36 km away
43. 2.19km NW of Delta, B.C., MXMon, Jul 27, 8:33 PM PDT · 16498 days ago · 6 km deep · 5 km away
44. 1.525km ESE of Ocotillo Wells, CAWed, Jul 29, 6:34 AM PDT · 16497 days ago · 9 km deep · 88 km away
45. 1.96km WSW of Brawley, CAWed, Jul 29, 12:24 PM PDT · 16497 days ago · 15 km deep · 64 km away
46. 2.268km ENE of Maneadero, B.C., MXThu, Jul 30, 2:51 PM PDT · 16495 days ago · 6 km deep · 87 km away
47. 1.54km WNW of Guadalupe Victoria, B.C., MXThu, Jul 30, 9:48 PM PDT · 16495 days ago · 6 km deep · 20 km away
48. 1.612km SW of Westmorland, CASat, Aug 1, 9:08 AM PDT · 16494 days ago · 10 km deep · 72 km away
49. 1.94km NNW of Guadalupe Victoria, B.C., MXSun, Aug 2, 1:22 PM PDT · 16492 days ago · 6 km deep · 19 km away
50. 1.912km N of Delta, B.C., MXSun, Aug 2, 10:42 PM PDT · 16492 days ago · 6 km deep · 6 km away
51. 1.713km SW of Westmorland, CAWed, Aug 5, 8:40 AM PDT · 16490 days ago · 3 km deep · 72 km away
52. 1.716km W of Alberto Oviedo Mota, B.C., MXSat, Aug 8, 12:06 AM PDT · 16487 days ago · 6 km deep · 25 km away
53. 3.013km WSW of Imperial, CASat, Aug 8, 9:43 PM PDT · 16486 days ago · 22 km deep · 58 km away
54. 1.52km SSW of Brawley, CASun, Aug 9, 6:31 PM PDT · 16485 days ago · 15 km deep · 62 km away
55. 1.73km SSW of Brawley, CAMon, Aug 10, 10:20 AM PDT · 16485 days ago · 12 km deep · 61 km away
56. 1.914km W of El Centro, CAMon, Aug 10, 6:53 PM PDT · 16484 days ago · 14 km deep · 55 km away
57. 1.712km SE of Puebla, B.C., MXFri, Aug 14, 6:49 PM PDT · 16480 days ago · 6 km deep · 3 km away
58. 1.64km NNW of Westmorland, CAMon, Aug 17, 12:56 PM PDT · 16477 days ago · 11 km deep · 78 km away
59. 2.465km E of Maneadero, B.C., MXTue, Aug 18, 5:12 AM PDT · 16477 days ago · 6 km deep · 95 km away
60. 2.44km SE of Westmorland, CATue, Aug 18, 8:00 PM PDT · 16476 days ago · 5 km deep · 69 km away

The first 60 of 65.

Before

1. 1.57km SW of Puebla, B.C., MXThu, Jun 25, 11:49 AM PDT · 16531 days ago · 6 km deep · 17 km away
2. 2.013km SW of Westmorland, CAThu, Jun 25, 10:56 AM PDT · 16531 days ago · 3 km deep · 72 km away
3. 1.713km SW of Westmorland, CAThu, Jun 25, 10:31 AM PDT · 16531 days ago · 3 km deep · 73 km away
4. 1.55km W of Brawley, CAWed, Jun 24, 11:14 AM PDT · 16532 days ago · 12 km deep · 66 km away
5. 2.664km E of Maneadero, B.C., MXTue, Jun 23, 3:37 PM PDT · 16532 days ago · 5 km deep · 96 km away
6. 1.83km NNE of Progreso, B.C., MXTue, Jun 23, 3:02 PM PDT · 16532 days ago · 12 km deep · 35 km away
7. 1.66km W of Calipatria, CATue, Jun 23, 10:53 AM PDT · 16533 days ago · 11 km deep · 79 km away
8. 2.527km WSW of Alberto Oviedo Mota, B.C., MXTue, Jun 23, 8:53 AM PDT · 16533 days ago · 6 km deep · 43 km away
9. 2.06km WSW of Holtville, CASun, Jun 21, 7:57 PM PDT · 16534 days ago · 17 km deep · 41 km away
10. 1.89km SSE of Brawley, CASun, Jun 21, 5:34 AM PDT · 16535 days ago · 9 km deep · 55 km away
11. 2.06km WNW of Westmorland, CASun, Jun 21, 12:19 AM PDT · 16535 days ago · 13 km deep · 78 km away
12. 1.66km ESE of Puebla, B.C., MXSat, Jun 20, 8:58 PM PDT · 16535 days ago · 6 km deep · 10 km away
13. 1.714km E of Calipatria, CASat, Jun 20, 7:06 PM PDT · 16535 days ago · 2 km deep · 74 km away
14. 1.76km WSW of Calipatria, CASat, Jun 20, 2:07 AM PDT · 16536 days ago · 11 km deep · 77 km away
15. 1.721km WNW of Imperial, CAThu, Jun 18, 10:59 AM PDT · 16538 days ago · 8 km deep · 70 km away
16. 1.710km NE of Mexicali, B.C., MXWed, Jun 17, 2:13 PM PDT · 16538 days ago · 6 km deep · 32 km away
17. 1.66km W of Westmorland, CAWed, Jun 17, 6:44 AM PDT · 16539 days ago · 7 km deep · 76 km away
18. 1.57km WSW of Calipatria, CAWed, Jun 17, 6:06 AM PDT · 16539 days ago · 11 km deep · 77 km away
19. 1.518km WNW of Progreso, B.C., MXWed, Jun 17, 2:07 AM PDT · 16539 days ago · 7 km deep · 53 km away
20. 1.78km NE of Calipatria, CASun, Jun 14, 11:34 AM PDT · 16542 days ago · 8 km deep · 82 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci518323. Read Mon, Sep 28, 2026, 7:12 AM UTC.