M1.8 earthquake 3km NNE of Progreso, B.C., MX

Magnitude

1.8 (mh), micro

Local time

Tue, Jun 23, 1981, 3:02 PM PDT

UTC

1981-06-23 22:02:12 UTC

Depth

12.1 km (7.5 mi), shallow

Epicenter

32.607° N, 115.569° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 1.3 km in depth

Depth from

From location

Station coverage gap

249°, poorly surrounded by stations

Stations used

10

• Santa Isabel, MexicoPopulation 29,311. Forecast3 kmS
• Mexicali, MexicoPopulation 1,032,686. Forecast11 kmWSW

After

1. 2.57km S of Salton City, CATue, Jun 23, 3:10 PM PDT · 16527 days ago · 5 km deep · 79 km away
2. 2.664km E of Maneadero, B.C., MXTue, Jun 23, 3:37 PM PDT · 16527 days ago · 5 km deep · 94 km away
3. 1.56km SSE of Salton City, CATue, Jun 23, 8:08 PM PDT · 16527 days ago · 7 km deep · 80 km away
4. 1.67km S of Salton City, CAWed, Jun 24, 5:46 AM PDT · 16527 days ago · 4 km deep · 79 km away
5. 1.56km S of Salton City, CAWed, Jun 24, 9:31 AM PDT · 16527 days ago · 4 km deep · 80 km away
6. 1.55km W of Brawley, CAWed, Jun 24, 11:14 AM PDT · 16527 days ago · 12 km deep · 42 km away
7. 2.06km S of Salton City, CAWed, Jun 24, 2:50 PM PDT · 16526 days ago · 4 km deep · 80 km away
8. 1.56km SSW of Salton City, CAWed, Jun 24, 10:57 PM PDT · 16526 days ago · 3 km deep · 81 km away
9. 1.57km SSW of Salton City, CAThu, Jun 25, 4:49 AM PDT · 16526 days ago · 2 km deep · 79 km away
10. 1.55km SSW of Salton City, CAThu, Jun 25, 7:57 AM PDT · 16526 days ago · 4 km deep · 82 km away
11. 1.713km SW of Westmorland, CAThu, Jun 25, 10:31 AM PDT · 16526 days ago · 3 km deep · 43 km away
12. 2.013km SW of Westmorland, CAThu, Jun 25, 10:56 AM PDT · 16526 days ago · 3 km deep · 43 km away
13. 1.57km SW of Puebla, B.C., MXThu, Jun 25, 11:49 AM PDT · 16526 days ago · 6 km deep · 18 km away
14. 1.813km NNW of Delta, B.C., MXThu, Jun 25, 10:40 PM PDT · 16525 days ago · 6 km deep · 35 km away
15. 1.78km NNE of Westmorland, CAFri, Jun 26, 9:02 PM PDT · 16524 days ago · 14 km deep · 55 km away
16. 1.626km ENE of Pine Valley, CAFri, Jun 26, 10:48 PM PDT · 16524 days ago · 1 km deep · 74 km away
17. 2.85km SSW of Salton City, CASat, Jun 27, 3:12 AM PDT · 16524 days ago · 5 km deep · 82 km away
18. 1.77km S of Salton City, CASat, Jun 27, 12:53 PM PDT · 16523 days ago · 3 km deep · 79 km away
19. 2.246km ENE of Maneadero, B.C., MXSat, Jun 27, 2:01 PM PDT · 16523 days ago · 6 km deep · 99 km away
20. 1.65km SSW of Salton City, CASat, Jun 27, 7:34 PM PDT · 16523 days ago · 4 km deep · 82 km away
21. 1.915km S of Salton City, CASat, Jun 27, 9:31 PM PDT · 16523 days ago · 6 km deep · 72 km away
22. 1.513km SSE of Bombay Beach, CASun, Jun 28, 4:11 AM PDT · 16523 days ago · 4 km deep · 73 km away
23. 2.163km SW of Alberto Oviedo Mota, B.C., MXSun, Jun 28, 5:08 AM PDT · 16523 days ago · 6 km deep · 82 km away
24. 2.25km NW of Brawley, CASun, Jun 28, 6:23 PM PDT · 16522 days ago · 15 km deep · 44 km away
25. 1.55km SSE of Salton City, CAMon, Jun 29, 10:57 AM PDT · 16522 days ago · 7 km deep · 80 km away
26. 2.068km SW of Alberto Oviedo Mota, B.C., MXMon, Jun 29, 1:35 PM PDT · 16521 days ago · 6 km deep · 84 km away
27. 2.216km W of Imperial, CATue, Jun 30, 12:18 AM PDT · 16521 days ago · 5 km deep · 32 km away
28. 2.66km SSW of Salton City, CATue, Jun 30, 5:23 AM PDT · 16521 days ago · 3 km deep · 81 km away
29. 1.65km SSW of Salton City, CATue, Jun 30, 9:24 AM PDT · 16521 days ago · 3 km deep · 81 km away
30. 1.85km SSW of Salton City, CATue, Jun 30, 5:45 PM PDT · 16520 days ago · 4 km deep · 81 km away
31. 1.721km ESE of Julian, CATue, Jun 30, 10:02 PM PDT · 16520 days ago · 3 km deep · 89 km away
32. 2.75km SSW of Salton City, CAWed, Jul 1, 3:11 AM PDT · 16520 days ago · 4 km deep · 81 km away
33. 1.75km S of Salton City, CAWed, Jul 1, 5:08 AM PDT · 16520 days ago · 4 km deep · 81 km away
34. 1.56km SSW of Salton City, CAWed, Jul 1, 5:29 AM PDT · 16520 days ago · 1 km deep · 81 km away
35. 1.95km SSW of Salton City, CAWed, Jul 1, 8:48 AM PDT · 16520 days ago · 4 km deep · 81 km away
36. 1.77km W of Westmorland, CAWed, Jul 1, 3:45 PM PDT · 16519 days ago · 6 km deep · 48 km away
37. 2.35km SSW of Salton City, CAThu, Jul 2, 2:58 AM PDT · 16519 days ago · 5 km deep · 81 km away
38. 2.16km WNW of Westmorland, CAThu, Jul 2, 5:12 AM PDT · 16519 days ago · 11 km deep · 51 km away
39. 1.522km NNE of Ocotillo, CAThu, Jul 2, 6:25 AM PDT · 16519 days ago · 10 km deep · 43 km away
40. 2.08km SW of Holtville, CAThu, Jul 2, 2:38 PM PDT · 16518 days ago · 18 km deep · 21 km away
41. 1.55km SSW of Salton City, CAThu, Jul 2, 4:31 PM PDT · 16518 days ago · 3 km deep · 82 km away
42. 2.068km WSW of Alberto Oviedo Mota, B.C., MXThu, Jul 2, 7:10 PM PDT · 16518 days ago · 6 km deep · 81 km away
43. 2.96km SSW of Salton City, CAThu, Jul 2, 8:12 PM PDT · 16518 days ago · 5 km deep · 81 km away
44. 1.66km W of Westmorland, CAFri, Jul 3, 12:29 AM PDT · 16518 days ago · 11 km deep · 49 km away
45. 1.55km SSW of Salton City, CAFri, Jul 3, 11:13 AM PDT · 16518 days ago · 4 km deep · 82 km away
46. 1.72km WSW of Brawley, CAFri, Jul 3, 6:35 PM PDT · 16517 days ago · 12 km deep · 41 km away
47. 2.034km ENE of Ensenada, B.C., MXFri, Jul 3, 10:49 PM PDT · 16517 days ago · 6 km deep · 95 km away
48. 1.75km SSW of Salton City, CASat, Jul 4, 10:48 AM PDT · 16517 days ago · 4 km deep · 82 km away
49. 1.74km WSW of Brawley, CASat, Jul 4, 2:41 PM PDT · 16516 days ago · 6 km deep · 40 km away
50. 1.63km SW of Brawley, CASat, Jul 4, 2:56 PM PDT · 16516 days ago · 14 km deep · 39 km away
51. 1.66km WNW of Westmorland, CASun, Jul 5, 11:08 AM PDT · 16516 days ago · 4 km deep · 51 km away
52. 1.721km WNW of Imperial, CASun, Jul 5, 11:22 AM PDT · 16516 days ago · 9 km deep · 38 km away
53. 1.57km S of Salton City, CASun, Jul 5, 5:20 PM PDT · 16515 days ago · 4 km deep · 79 km away
54. 1.75km SSW of Salton City, CASun, Jul 5, 6:16 PM PDT · 16515 days ago · 3 km deep · 82 km away
55. 1.75km SSW of Salton City, CASun, Jul 5, 10:16 PM PDT · 16515 days ago · 5 km deep · 82 km away
56. 2.123km WSW of Westmorland, CAMon, Jul 6, 5:44 AM PDT · 16515 days ago · 8 km deep · 47 km away
57. 1.911km NW of Ocotillo Wells, CAMon, Jul 6, 9:20 AM PDT · 16515 days ago · 7 km deep · 91 km away
58. 2.721km NE of Pine Valley, CAMon, Jul 6, 9:10 PM PDT · 16514 days ago · 15 km deep · 83 km away
59. 1.56km SSW of Salton City, CATue, Jul 7, 4:00 PM PDT · 16513 days ago · 4 km deep · 81 km away
60. 1.76km SSW of Salton City, CATue, Jul 7, 11:00 PM PDT · 16513 days ago · 4 km deep · 81 km away

The first 60 of 159.

Before

1. 2.76km S of Salton City, CATue, Jun 23, 1:23 PM PDT · 16527 days ago · 3 km deep · 80 km away
2. 2.56km S of Salton City, CATue, Jun 23, 12:47 PM PDT · 16527 days ago · 4 km deep · 80 km away
3. 1.65km SSW of Salton City, CATue, Jun 23, 11:26 AM PDT · 16528 days ago · 4 km deep · 81 km away
4. 1.66km W of Calipatria, CATue, Jun 23, 10:53 AM PDT · 16528 days ago · 11 km deep · 57 km away
5. 2.527km WSW of Alberto Oviedo Mota, B.C., MXTue, Jun 23, 8:53 AM PDT · 16528 days ago · 6 km deep · 58 km away
6. 2.345km ENE of Maneadero, B.C., MXTue, Jun 23, 5:36 AM PDT · 16528 days ago · 6 km deep · 97 km away
7. 1.75km SSW of Salton City, CATue, Jun 23, 3:27 AM PDT · 16528 days ago · 5 km deep · 81 km away
8. 1.66km S of Salton City, CAMon, Jun 22, 11:18 PM PDT · 16528 days ago · 5 km deep · 80 km away
9. 1.99km NE of Ocotillo Wells, CAMon, Jun 22, 6:36 PM PDT · 16528 days ago · 10 km deep · 82 km away
10. 1.78km S of Salton City, CAMon, Jun 22, 7:39 AM PDT · 16529 days ago · 3 km deep · 79 km away
11. 1.56km SSW of Salton City, CAMon, Jun 22, 5:46 AM PDT · 16529 days ago · 4 km deep · 81 km away
12. 1.75km S of Salton City, CAMon, Jun 22, 1:00 AM PDT · 16529 days ago · 5 km deep · 81 km away
13. 1.57km S of Salton City, CAMon, Jun 22, 12:39 AM PDT · 16529 days ago · 4 km deep · 79 km away
14. 3.17km S of Salton City, CAMon, Jun 22, 12:31 AM PDT · 16529 days ago · 5 km deep · 79 km away
15. 2.06km WSW of Holtville, CASun, Jun 21, 7:57 PM PDT · 16529 days ago · 17 km deep · 24 km away
16. 1.58km S of Salton City, CASun, Jun 21, 12:09 PM PDT · 16530 days ago · 3 km deep · 78 km away
17. 1.611km ENE of Ocotillo Wells, CASun, Jun 21, 7:45 AM PDT · 16530 days ago · 9 km deep · 79 km away
18. 2.35km SSW of Salton City, CASun, Jun 21, 6:49 AM PDT · 16530 days ago · 5 km deep · 81 km away
19. 2.17km S of Salton City, CASun, Jun 21, 5:56 AM PDT · 16530 days ago · 5 km deep · 79 km away
20. 1.89km SSE of Brawley, CASun, Jun 21, 5:34 AM PDT · 16530 days ago · 9 km deep · 34 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci518192. Read Wed, Sep 23, 2026, 6:55 AM UTC.