M1.8 earthquake 5km NW of Delta, B.C., MX

Magnitude

1.8 (mh), micro

Local time

Thu, Jan 22, 1981, 1:23 AM PST

UTC

1981-01-22 09:23:12 UTC

Depth

5.8 km (3.6 mi), shallow

Epicenter

32.383° N, 115.232° W

Region

Mexico

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 4.3 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.43

Depth from

Operator assigned

Station coverage gap

253°, poorly surrounded by stations

Stations used

7

• Ciudad Guadalupe Victoria, MexicoPopulation 17,119. Forecast16 kmNW
• Mexicali, MexicoPopulation 1,032,686. Forecast34 kmSE

After

1. 2.45km NNW of Delta, B.C., MXThu, Jan 22, 2:50 PM PST · 16679 days ago · 6 km deep · 2 km away
2. 2.35km NNW of Delta, B.C., MXThu, Jan 22, 3:20 PM PST · 16679 days ago · 6 km deep · 1 km away
3. 2.45km NNW of Delta, B.C., MXThu, Jan 22, 6:06 PM PST · 16679 days ago · 10 km deep · 1 km away
4. 2.98km W of Calipatria, CAFri, Jan 23, 2:13 PM PST · 16678 days ago · 10 km deep · 88 km away
5. 1.87km NNE of Westmorland, CAFri, Jan 23, 5:55 PM PST · 16678 days ago · 9 km deep · 87 km away
6. 2.39km N of Westmorland, CASat, Jan 24, 2:21 AM PST · 16678 days ago · 14 km deep · 89 km away
7. 1.88km E of Puebla, B.C., MXSat, Jan 24, 11:39 PM PST · 16677 days ago · 6 km deep · 19 km away
8. 1.78km SW of Holtville, CATue, Jan 27, 9:34 PM PST · 16674 days ago · 6 km deep · 45 km away
9. 2.08km NNW of Delta, B.C., MXTue, Jan 27, 11:31 PM PST · 16674 days ago · 6 km deep · 4 km away
10. 1.75km SW of Holtville, CAWed, Jan 28, 4:23 AM PST · 16674 days ago · 10 km deep · 47 km away
11. 2.64km SW of Estacion Coahuila, B.C., MXThu, Jan 29, 11:16 PM PST · 16672 days ago · 6 km deep · 30 km away
12. 2.221km SE of Ocotillo Wells, CAFri, Jan 30, 4:38 PM PST · 16671 days ago · 12 km deep · 98 km away
13. 1.914km S of Progreso, B.C., MXSun, Feb 1, 10:19 AM PST · 16669 days ago · 5 km deep · 34 km away
14. 2.178km E of Maneadero, B.C., MXMon, Feb 2, 6:43 AM PST · 16669 days ago · 5 km deep · 94 km away
15. 2.314km N of Delta, B.C., MXTue, Feb 3, 12:38 AM PST · 16668 days ago · 9 km deep · 11 km away
16. 2.18km N of Westmorland, CATue, Feb 3, 6:30 AM PST · 16668 days ago · 13 km deep · 89 km away
17. 1.959km ENE of Ensenada, B.C., MXSun, Feb 8, 9:22 AM PST · 16662 days ago · 6 km deep · 84 km away
18. 2.127km NNE of Ocotillo, CAWed, Feb 11, 2:35 AM PST · 16660 days ago · 5 km deep · 89 km away
19. 2.411km SW of Puebla, B.C., MXSun, Feb 15, 3:56 AM PST · 16656 days ago · 6 km deep · 22 km away
20. 1.66km ESE of Progreso, B.C., MXMon, Feb 16, 9:49 PM PST · 16654 days ago · 6 km deep · 34 km away
21. 2.213km NNW of Delta, B.C., MXTue, Feb 17, 8:03 PM PST · 16653 days ago · 10 km deep · 9 km away
22. 1.811km SE of Puebla, B.C., MXTue, Feb 17, 9:27 PM PST · 16653 days ago · 6 km deep · 13 km away
23. 2.214km SE of Puebla, B.C., MXTue, Feb 17, 10:21 PM PST · 16653 days ago · 10 km deep · 11 km away
24. 1.68km WSW of Imperial, CAFri, Feb 20, 1:03 PM PST · 16650 days ago · 29 km deep · 62 km away
25. 1.55km WSW of Guadalupe Victoria, B.C., MXSat, Feb 21, 9:17 PM PST · 16649 days ago · 6 km deep · 14 km away
26. 2.258km E of Ensenada, B.C., MXSat, Feb 21, 9:53 PM PST · 16649 days ago · 6 km deep · 88 km away
27. 1.85km NE of Westmorland, CASun, Feb 22, 7:35 PM PST · 16648 days ago · 12 km deep · 83 km away
28. 1.95km NE of Westmorland, CASun, Feb 22, 7:36 PM PST · 16648 days ago · 11 km deep · 82 km away
29. 1.950km ENE of Ensenada, B.C., MXMon, Feb 23, 6:26 AM PST · 16648 days ago · 6 km deep · 93 km away
30. 2.42km N of Delta, B.C., MXMon, Feb 23, 6:28 AM PST · 16648 days ago · 1 km deep · 4 km away
31. 2.74km SE of Delta, B.C., MXMon, Feb 23, 6:41 AM PST · 16648 days ago · 10 km deep · 9 km away
32. 2.864km ENE of Ensenada, B.C., MXMon, Feb 23, 3:22 PM PST · 16647 days ago · 6 km deep · 81 km away
33. 2.356km E of Ensenada, B.C., MXMon, Feb 23, 7:50 PM PST · 16647 days ago · 6 km deep · 88 km away
34. 1.65km N of Progreso, B.C., MXTue, Feb 24, 5:44 AM PST · 16647 days ago · 6 km deep · 43 km away
35. 2.149km ENE of Maneadero, B.C., MXTue, Feb 24, 9:35 AM PST · 16646 days ago · 6 km deep · 97 km away
36. 2.323km WSW of Westmorland, CATue, Feb 24, 10:14 PM PST · 16646 days ago · 10 km deep · 86 km away
37. 1.66km E of Westmorland, CAWed, Feb 25, 7:26 AM PST · 16646 days ago · 10 km deep · 79 km away
38. 2.362km ENE of Ensenada, B.C., MXWed, Feb 25, 11:08 AM PST · 16645 days ago · 6 km deep · 81 km away
39. 2.08km SSW of Holtville, CAWed, Feb 25, 12:17 PM PST · 16645 days ago · 10 km deep · 44 km away
40. 2.39km SSW of Holtville, CAWed, Feb 25, 12:25 PM PST · 16645 days ago · 10 km deep · 44 km away
41. 2.29km SSW of Holtville, CAWed, Feb 25, 12:31 PM PST · 16645 days ago · 10 km deep · 43 km away
42. 1.88km SSW of Holtville, CAWed, Feb 25, 12:32 PM PST · 16645 days ago · 10 km deep · 45 km away
43. 2.555km E of Ensenada, B.C., MXWed, Feb 25, 8:13 PM PST · 16645 days ago · 6 km deep · 91 km away
44. 2.161km ENE of Ensenada, B.C., MXWed, Feb 25, 8:17 PM PST · 16645 days ago · 6 km deep · 83 km away
45. 2.210km NE of Mexicali, B.C., MXThu, Feb 26, 1:20 AM PST · 16645 days ago · 10 km deep · 41 km away
46. 2.156km ENE of Ensenada, B.C., MXThu, Feb 26, 3:55 AM PST · 16645 days ago · 5 km deep · 88 km away
47. 2.322km W of Westmorland, CAThu, Feb 26, 7:54 PM PST · 16644 days ago · 11 km deep · 92 km away
48. 2.68km N of Westmorland, CAFri, Feb 27, 4:17 AM PST · 16644 days ago · 14 km deep · 88 km away
49. 1.956km WSW of Alberto Oviedo Mota, B.C., MXSat, Feb 28, 3:54 AM PST · 16643 days ago · 6 km deep · 58 km away
50. 2.64km NNE of Westmorland, CASat, Feb 28, 11:51 AM PST · 16642 days ago · 10 km deep · 84 km away
51. 2.05km NE of Westmorland, CASat, Feb 28, 11:54 AM PST · 16642 days ago · 10 km deep · 84 km away
52. 1.95km NE of Westmorland, CASat, Feb 28, 12:15 PM PST · 16642 days ago · 10 km deep · 84 km away
53. 1.65km E of Heber, CAMon, Mar 2, 10:59 PM PST · 16640 days ago · 10 km deep · 45 km away
54. 2.35km S of Brawley, CATue, Mar 3, 4:02 AM PST · 16640 days ago · 10 km deep · 67 km away
55. 2.415km WSW of Alberto Oviedo Mota, B.C., MXTue, Mar 3, 7:46 AM PST · 16640 days ago · 5 km deep · 27 km away
56. 2.215km WNW of Ocotillo, CATue, Mar 3, 11:57 PM PST · 16639 days ago · 14 km deep · 97 km away
57. 1.65km WSW of Holtville, CASat, Mar 7, 1:10 AM PST · 16636 days ago · 6 km deep · 50 km away
58. 2.05km NE of Westmorland, CASat, Mar 7, 5:57 PM PST · 16635 days ago · 10 km deep · 83 km away
59. 1.84km WNW of Brawley, CASat, Mar 7, 10:39 PM PST · 16635 days ago · 5 km deep · 75 km away
60. 2.25km NNE of Westmorland, CASun, Mar 8, 3:11 AM PST · 16635 days ago · 10 km deep · 84 km away

The first 60 of 94.

Before

1. 1.811km W of Imperial, CATue, Jan 20, 2:15 PM PST · 16681 days ago · 5 km deep · 68 km away
2. 1.727km SE of Ocotillo Wells, CATue, Jan 20, 1:47 PM PST · 16681 days ago · 8 km deep · 92 km away
3. 1.728km WSW of Westmorland, CATue, Jan 20, 9:45 AM PST · 16681 days ago · 6 km deep · 92 km away
4. 2.266km E of Maneadero, B.C., MXMon, Jan 19, 4:46 PM PST · 16682 days ago · 6 km deep · 87 km away
5. 1.714km SW of Puebla, B.C., MXMon, Jan 19, 11:25 AM PST · 16682 days ago · 6 km deep · 25 km away
6. 2.76km SE of Guadalupe Victoria, B.C., MXSun, Jan 18, 3:23 PM PST · 16683 days ago · 6 km deep · 22 km away
7. 1.912km NNW of Delta, B.C., MXSat, Jan 17, 9:54 PM PST · 16684 days ago · 6 km deep · 8 km away
8. 1.813km ESE of Puebla, B.C., MXFri, Jan 16, 11:24 PM PST · 16685 days ago · 10 km deep · 15 km away
9. 1.67km W of Calipatria, CAThu, Jan 15, 9:30 AM PST · 16686 days ago · 10 km deep · 89 km away
10. 2.560km WSW of Alberto Oviedo Mota, B.C., MXWed, Jan 14, 1:11 PM PST · 16687 days ago · 6 km deep · 66 km away
11. 2.16km S of Brawley, CATue, Jan 13, 3:31 AM PST · 16689 days ago · 10 km deep · 66 km away
12. 2.26km S of Brawley, CASun, Jan 11, 2:36 PM PST · 16690 days ago · 10 km deep · 67 km away
13. 2.29km W of Calipatria, CASun, Jan 11, 1:45 AM PST · 16691 days ago · 10 km deep · 89 km away
14. 1.68km WSW of Holtville, CAFri, Jan 9, 8:39 PM PST · 16692 days ago · 6 km deep · 51 km away
15. 2.015km NE of Delta, B.C., MXFri, Jan 9, 2:57 PM PST · 16692 days ago · 10 km deep · 16 km away
16. 1.99km NNE of Delta, B.C., MXFri, Jan 9, 5:22 AM PST · 16693 days ago · 6 km deep · 9 km away
17. 2.05km ENE of Westmorland, CAWed, Jan 7, 6:29 AM PST · 16695 days ago · 10 km deep · 81 km away
18. 2.646km E of Ensenada, B.C., MXTue, Jan 6, 6:24 PM PST · 16695 days ago · 5 km deep · 98 km away
19. 2.848km SSW of Progreso, B.C., MXSun, Jan 4, 1:21 AM PST · 16698 days ago · 10 km deep · 54 km away
20. 2.29km NW of Delta, B.C., MXFri, Jan 2, 5:05 PM PST · 16699 days ago · 10 km deep · 4 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci12250791. Read Wed, Sep 23, 2026, 3:22 AM UTC.