M1.8 earthquake 24km ENE of Pine Valley, CA

Magnitude

1.8 (mh), micro

Local time

Sun, Jan 4, 1981, 2:31 PM PST

UTC

1981-01-04 22:31:38 UTC

Depth

5.4 km (3.4 mi), shallow

Epicenter

32.931° N, 116.303° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 19.8 km in depth

Depth from

From location

Station coverage gap

83°

Stations used

12

• Pine Valley, CaliforniaPopulation 1,510. Forecast24 kmENE
• Alpine, CaliforniaPopulation 14,236. Forecast44 kmENE
• El Cajon, CaliforniaPopulation 103,679. Forecast63 kmENE
• Tijuana, MexicoPopulation 1,922,523. Forecast81 kmNE

After

1. 2.05km ENE of Westmorland, CAWed, Jan 7, 6:29 AM PST · 16701 days ago · 10 km deep · 70 km away
2. 1.619km SSW of Ocotillo Wells, CAWed, Jan 7, 12:03 PM PST · 16701 days ago · 6 km deep · 10 km away
3. 1.810km NE of Aguanga, CAWed, Jan 7, 2:00 PM PST · 16701 days ago · 4 km deep · 77 km away
4. 1.711km NNE of Borrego Springs, CAThu, Jan 8, 12:00 PM PST · 16700 days ago · 4 km deep · 46 km away
5. 1.68km WSW of Holtville, CAFri, Jan 9, 8:39 PM PST · 16699 days ago · 6 km deep · 80 km away
6. 2.29km W of Calipatria, CASun, Jan 11, 1:45 AM PST · 16698 days ago · 10 km deep · 68 km away
7. 2.26km S of Brawley, CASun, Jan 11, 2:36 PM PST · 16697 days ago · 10 km deep · 72 km away
8. 1.811km SSE of Anza, CAMon, Jan 12, 8:51 AM PST · 16696 days ago · 12 km deep · 67 km away
9. 1.710km ENE of Aguanga, CAMon, Jan 12, 8:48 PM PST · 16696 days ago · 3 km deep · 76 km away
10. 1.77km W of Pine Valley, CATue, Jan 13, 12:28 AM PST · 16696 days ago · 5 km deep · 31 km away
11. 2.16km S of Brawley, CATue, Jan 13, 3:31 AM PST · 16696 days ago · 10 km deep · 72 km away
12. 2.419km E of Primo Tapia, B.C., MXTue, Jan 13, 4:12 PM PST · 16695 days ago · 5 km deep · 86 km away
13. 1.67km W of Calipatria, CAThu, Jan 15, 9:30 AM PST · 16693 days ago · 10 km deep · 70 km away
14. 1.88km NE of Aguanga, CAFri, Jan 16, 10:40 AM PST · 16692 days ago · 4 km deep · 78 km away
15. 1.99km ENE of Indio, CASat, Jan 17, 3:52 PM PST · 16691 days ago · 4 km deep · 94 km away
16. 3.010km ENE of Aguanga, CASun, Jan 18, 12:19 PM PST · 16690 days ago · 8 km deep · 76 km away
17. 1.710km NE of Aguanga, CASun, Jan 18, 12:30 PM PST · 16690 days ago · 4 km deep · 77 km away
18. 1.78km ENE of Aguanga, CAMon, Jan 19, 8:23 AM PST · 16689 days ago · 5 km deep · 76 km away
19. 1.714km SW of Puebla, B.C., MXMon, Jan 19, 11:25 AM PST · 16689 days ago · 6 km deep · 93 km away
20. 1.810km ENE of Aguanga, CAMon, Jan 19, 1:20 PM PST · 16689 days ago · 5 km deep · 76 km away
21. 1.728km WSW of Westmorland, CATue, Jan 20, 9:45 AM PST · 16688 days ago · 6 km deep · 37 km away
22. 1.713km E of Ocotillo Wells, CATue, Jan 20, 1:21 PM PST · 16688 days ago · 5 km deep · 37 km away
23. 1.727km SE of Ocotillo Wells, CATue, Jan 20, 1:47 PM PST · 16688 days ago · 8 km deep · 37 km away
24. 1.811km W of Imperial, CATue, Jan 20, 2:15 PM PST · 16688 days ago · 5 km deep · 58 km away
25. 2.210km W of Niland, CATue, Jan 20, 6:13 PM PST · 16688 days ago · 2 km deep · 72 km away
26. 1.811km WNW of Niland, CAWed, Jan 21, 2:25 AM PST · 16688 days ago · 4 km deep · 72 km away
27. 2.011km SE of Anza, CAWed, Jan 21, 3:48 AM PST · 16688 days ago · 10 km deep · 67 km away
28. 2.14km NW of Palomar Observatory, CAWed, Jan 21, 8:06 AM PST · 16687 days ago · 2 km deep · 75 km away
29. 1.810km WSW of Anza, CAWed, Jan 21, 10:00 PM PST · 16687 days ago · 5 km deep · 78 km away
30. 1.513km SE of Bombay Beach, CAWed, Jan 21, 11:42 PM PST · 16687 days ago · 6 km deep · 70 km away
31. 1.86km SSW of Salton City, CAThu, Jan 22, 2:40 AM PST · 16687 days ago · 6 km deep · 47 km away
32. 1.510km NE of Aguanga, CAThu, Jan 22, 3:14 PM PST · 16686 days ago · 4 km deep · 78 km away
33. 1.810km NE of Aguanga, CAThu, Jan 22, 7:36 PM PST · 16686 days ago · 4 km deep · 77 km away
34. 2.15km SSW of Salton City, CAThu, Jan 22, 9:59 PM PST · 16686 days ago · 9 km deep · 48 km away
35. 1.818km ENE of Campo, CAThu, Jan 22, 11:00 PM PST · 16686 days ago · 7 km deep · 30 km away
36. 2.98km W of Calipatria, CAFri, Jan 23, 2:13 PM PST · 16685 days ago · 10 km deep · 69 km away
37. 2.016km SSE of Ocotillo Wells, CAFri, Jan 23, 4:36 PM PST · 16685 days ago · 5 km deep · 22 km away
38. 1.626km NE of Pine Valley, CAFri, Jan 23, 5:12 PM PST · 16685 days ago · 6 km deep · 3 km away
39. 1.87km NNE of Westmorland, CAFri, Jan 23, 5:55 PM PST · 16685 days ago · 9 km deep · 68 km away
40. 2.39km N of Westmorland, CASat, Jan 24, 2:21 AM PST · 16685 days ago · 14 km deep · 68 km away
41. 2.46km SSW of Salton City, CASun, Jan 25, 7:02 AM PST · 16683 days ago · 10 km deep · 47 km away
42. 1.610km SSW of Idyllwild, CASun, Jan 25, 8:02 PM PST · 16683 days ago · 12 km deep · 91 km away
43. 3.011km NNE of Indio, CASun, Jan 25, 9:23 PM PST · 16683 days ago · 0 km deep · 99 km away
44. 2.66km SSW of Salton City, CAMon, Jan 26, 8:47 PM PST · 16682 days ago · 5 km deep · 47 km away
45. 2.09km ENE of Aguanga, CATue, Jan 27, 12:28 AM PST · 16682 days ago · 4 km deep · 76 km away
46. 1.66km SSW of Salton City, CATue, Jan 27, 12:31 PM PST · 16681 days ago · 6 km deep · 47 km away
47. 1.78km SW of Holtville, CATue, Jan 27, 9:34 PM PST · 16681 days ago · 6 km deep · 83 km away
48. 1.810km NE of Aguanga, CAWed, Jan 28, 12:59 AM PST · 16681 days ago · 5 km deep · 78 km away
49. 1.75km SW of Holtville, CAWed, Jan 28, 4:23 AM PST · 16681 days ago · 10 km deep · 85 km away
50. 2.110km NE of Aguanga, CAWed, Jan 28, 8:51 PM PST · 16680 days ago · 3 km deep · 77 km away
51. 1.710km NE of Aguanga, CAThu, Jan 29, 1:22 AM PST · 16680 days ago · 3 km deep · 78 km away
52. 1.910km WSW of Anza, CAThu, Jan 29, 6:33 AM PST · 16679 days ago · 14 km deep · 78 km away
53. 2.18km NE of Aguanga, CAThu, Jan 29, 1:10 PM PST · 16679 days ago · 5 km deep · 78 km away
54. 1.611km NNW of Warner Springs, CAThu, Jan 29, 4:38 PM PST · 16679 days ago · 10 km deep · 60 km away
55. 2.110km NE of Aguanga, CAThu, Jan 29, 5:10 PM PST · 16679 days ago · 4 km deep · 77 km away
56. 1.610km NE of Aguanga, CAThu, Jan 29, 9:51 PM PST · 16679 days ago · 12 km deep · 78 km away
57. 2.311km WSW of Anza, CAFri, Jan 30, 12:19 AM PST · 16679 days ago · 3 km deep · 77 km away
58. 2.221km SE of Ocotillo Wells, CAFri, Jan 30, 4:38 PM PST · 16678 days ago · 12 km deep · 34 km away
59. 1.911km ENE of Aguanga, CASat, Jan 31, 9:49 AM PST · 16677 days ago · 2 km deep · 76 km away
60. 1.79km WSW of Anza, CASat, Jan 31, 10:08 AM PST · 16677 days ago · 14 km deep · 79 km away

The first 60 of 188.

Before

1. 1.76km SSW of Salton City, CASun, Jan 4, 1:31 PM PST · 16704 days ago · 6 km deep · 47 km away
2. 2.848km SSW of Progreso, B.C., MXSun, Jan 4, 1:21 AM PST · 16705 days ago · 10 km deep · 99 km away
3. 1.58km N of Borrego Springs, CASat, Jan 3, 1:26 AM PST · 16706 days ago · 5 km deep · 45 km away
4. 1.719km ESE of Julian, CAFri, Jan 2, 10:54 AM PST · 16706 days ago · 6 km deep · 15 km away
5. 1.510km NE of Aguanga, CAThu, Jan 1, 9:45 AM PST · 16707 days ago · 4 km deep · 77 km away
6. 2.36km S of Salton City, CAWed, Dec 31, 8:13 PM PST · 16708 days ago · 1 km deep · 47 km away
7. 2.010km NE of Aguanga, CAWed, Dec 31, 2:23 PM PST · 16708 days ago · 6 km deep · 78 km away
8. 1.66km SSE of Salton City, CAWed, Dec 31, 12:08 PM PST · 16708 days ago · 6 km deep · 49 km away
9. 2.38km ENE of Aguanga, CAWed, Dec 31, 10:09 AM PST · 16708 days ago · 1 km deep · 75 km away
10. 2.422km N of Borrego Springs, CAWed, Dec 31, 3:58 AM PST · 16709 days ago · 9 km deep · 59 km away
11. 1.59km W of Anza, CATue, Dec 30, 3:53 PM PST · 16709 days ago · 17 km deep · 82 km away
12. 2.210km ENE of Aguanga, CAMon, Dec 29, 7:43 AM PST · 16710 days ago · 6 km deep · 76 km away
13. 1.610km NE of Aguanga, CAWed, Dec 24, 5:58 PM PST · 16715 days ago · 4 km deep · 78 km away
14. 1.63km SW of Brawley, CATue, Dec 23, 9:41 PM PST · 16716 days ago · 6 km deep · 70 km away
15. 2.07km SW of Holtville, CATue, Dec 23, 8:33 AM PST · 16716 days ago · 15 km deep · 83 km away
16. 1.98km SSW of Salton City, CATue, Dec 23, 1:41 AM PST · 16717 days ago · 6 km deep · 44 km away
17. 1.69km NE of Aguanga, CAMon, Dec 22, 11:01 PM PST · 16717 days ago · 0 km deep · 77 km away
18. 1.96km SSW of Salton City, CAMon, Dec 22, 8:36 PM PST · 16717 days ago · 6 km deep · 47 km away
19. 2.36km WSW of Idyllwild, CAMon, Dec 22, 5:19 PM PST · 16717 days ago · 15 km deep · 98 km away
20. 3.712km N of Tecate, B.C., MXMon, Dec 22, 11:35 AM PST · 16717 days ago · 20 km deep · 41 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3301651. Read Wed, Sep 30, 2026, 12:39 AM UTC.