M1.6 earthquake 24km ENE of Pine Valley, CA

Magnitude

1.6 (mc), micro

Local time

Fri, Sep 25, 1981, 6:58 PM PDT

UTC

1981-09-26 01:58:34 UTC

Depth

5.2 km (3.2 mi), shallow

Epicenter

32.939° N, 116.312° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.6 km horizontally, 23.1 km in depth

Depth from

From location

Station coverage gap

110°

Stations used

23

• 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. 1.513km SE of Anza, CAFri, Sep 25, 9:46 PM PDT · 16440 days ago · 8 km deep · 65 km away
2. 1.810km ENE of Aguanga, CASat, Sep 26, 6:04 AM PDT · 16440 days ago · 3 km deep · 75 km away
3. 2.09km SE of Julian, CASat, Sep 26, 11:54 AM PDT · 16440 days ago · 14 km deep · 22 km away
4. 2.710km SE of Julian, CASat, Sep 26, 3:55 PM PDT · 16440 days ago · 14 km deep · 21 km away
5. 2.010km NE of Aguanga, CASat, Sep 26, 7:01 PM PDT · 16439 days ago · 4 km deep · 76 km away
6. 2.23km SE of Coronado, CASun, Sep 27, 10:31 PM PDT · 16438 days ago · 5 km deep · 85 km away
7. 2.810km SW of Westmorland, CAMon, Sep 28, 2:20 AM PDT · 16438 days ago · 14 km deep · 56 km away
8. 2.17km SE of Temecula, CAMon, Sep 28, 2:25 AM PDT · 16438 days ago · 8 km deep · 93 km away
9. 2.66km SE of Temecula, CAMon, Sep 28, 2:27 AM PDT · 16438 days ago · 7 km deep · 93 km away
10. 3.36km SE of Temecula, CAMon, Sep 28, 3:57 AM PDT · 16438 days ago · 7 km deep · 93 km away
11. 1.56km WSW of Westmorland, CAMon, Sep 28, 10:43 AM PDT · 16438 days ago · 4 km deep · 59 km away
12. 1.510km NE of Aguanga, CAMon, Sep 28, 11:31 AM PDT · 16438 days ago · 3 km deep · 76 km away
13. 1.710km SW of Westmorland, CAMon, Sep 28, 3:12 PM PDT · 16438 days ago · 11 km deep · 57 km away
14. 2.36km SE of Temecula, CATue, Sep 29, 12:19 PM PDT · 16437 days ago · 7 km deep · 93 km away
15. 1.78km SW of Heber, CATue, Sep 29, 7:23 PM PDT · 16436 days ago · 6 km deep · 73 km away
16. 1.821km E of Julian, CATue, Sep 29, 8:56 PM PDT · 16436 days ago · 9 km deep · 13 km away
17. 1.55km SSW of Salton City, CAWed, Sep 30, 1:17 AM PDT · 16436 days ago · 3 km deep · 47 km away
18. 1.86km SE of Temecula, CAWed, Sep 30, 2:10 AM PDT · 16436 days ago · 8 km deep · 94 km away
19. 2.222km ESE of Julian, CAThu, Oct 1, 6:41 AM PDT · 16435 days ago · 10 km deep · 12 km away
20. 2.26km SE of Temecula, CAFri, Oct 2, 1:54 AM PDT · 16434 days ago · 6 km deep · 93 km away
21. 2.137km NE of Ensenada, B.C., MXSat, Oct 3, 12:19 AM PDT · 16433 days ago · 6 km deep · 89 km away
22. 1.933km NE of Ensenada, B.C., MXSat, Oct 3, 12:40 AM PDT · 16433 days ago · 6 km deep · 95 km away
23. 2.220km SW of Ocotillo, CASat, Oct 3, 7:49 AM PDT · 16433 days ago · 12 km deep · 41 km away
24. 1.52km SW of Aguanga, CASat, Oct 3, 10:23 AM PDT · 16433 days ago · 3 km deep · 76 km away
25. 2.112km SE of San Diego Country Estates, CASat, Oct 3, 11:48 AM PDT · 16433 days ago · 9 km deep · 34 km away
26. 2.836km NE of Ensenada, B.C., MXSat, Oct 3, 5:49 PM PDT · 16432 days ago · 6 km deep · 92 km away
27. 1.928km WSW of Progreso, B.C., MXSun, Oct 4, 5:35 AM PDT · 16432 days ago · 1 km deep · 69 km away
28. 2.128km SW of Progreso, B.C., MXSun, Oct 4, 5:42 AM PDT · 16432 days ago · 6 km deep · 72 km away
29. 1.68km WSW of Salton City, CASun, Oct 4, 6:58 PM PDT · 16431 days ago · 2 km deep · 44 km away
30. 1.75km S of Salton City, CAMon, Oct 5, 10:16 AM PDT · 16431 days ago · 4 km deep · 48 km away
31. 2.310km N of Westmorland, CAMon, Oct 5, 1:53 PM PDT · 16431 days ago · 13 km deep · 66 km away
32. 1.620km NNW of Borrego Springs, CATue, Oct 6, 1:06 PM PDT · 16430 days ago · 12 km deep · 56 km away
33. 1.712km WSW of Westmorland, CATue, Oct 6, 2:39 PM PDT · 16430 days ago · 4 km deep · 55 km away
34. 1.56km NNE of Westmorland, CAWed, Oct 7, 2:19 PM PDT · 16429 days ago · 10 km deep · 69 km away
35. 1.57km SW of Holtville, CAWed, Oct 7, 5:58 PM PDT · 16428 days ago · 17 km deep · 83 km away
36. 1.58km ESE of Palomar Observatory, CAWed, Oct 7, 6:21 PM PDT · 16428 days ago · 2 km deep · 62 km away
37. 2.036km NE of Ensenada, B.C., MXSat, Oct 10, 2:03 AM PDT · 16426 days ago · 6 km deep · 92 km away
38. 1.721km WSW of Progreso, B.C., MXSat, Oct 10, 4:17 AM PDT · 16426 days ago · 4 km deep · 65 km away
39. 1.610km SE of Anza, CASat, Oct 10, 4:42 PM PDT · 16426 days ago · 9 km deep · 67 km away
40. 1.911km WSW of Anza, CASun, Oct 11, 4:43 AM PDT · 16425 days ago · 4 km deep · 76 km away
41. 2.342km NE of Ensenada, B.C., MXSun, Oct 11, 5:07 AM PDT · 16425 days ago · 6 km deep · 89 km away
42. 1.69km S of Holtville, CASun, Oct 11, 6:22 AM PDT · 16425 days ago · 6 km deep · 89 km away
43. 1.79km SSW of Holtville, CASun, Oct 11, 6:23 AM PDT · 16425 days ago · 6 km deep · 88 km away
44. 1.62km E of Niland, CATue, Oct 13, 3:04 AM PDT · 16423 days ago · 2 km deep · 84 km away
45. 1.616km SW of Progreso, B.C., MXTue, Oct 13, 9:00 AM PDT · 16423 days ago · 4 km deep · 75 km away
46. 1.516km WSW of Progreso, B.C., MXTue, Oct 13, 9:08 AM PDT · 16423 days ago · 4 km deep · 69 km away
47. 1.517km SW of Progreso, B.C., MXTue, Oct 13, 9:49 AM PDT · 16423 days ago · 2 km deep · 73 km away
48. 1.716km WSW of Progreso, B.C., MXTue, Oct 13, 1:38 PM PDT · 16423 days ago · 4 km deep · 69 km away
49. 1.716km WSW of Progreso, B.C., MXTue, Oct 13, 2:44 PM PDT · 16423 days ago · 2 km deep · 72 km away
50. 1.66km W of Westmorland, CAWed, Oct 14, 3:55 PM PDT · 16422 days ago · 4 km deep · 59 km away
51. 1.822km SW of Westmorland, CAThu, Oct 15, 3:40 AM PDT · 16421 days ago · 7 km deep · 47 km away
52. 2.412km WSW of Anza, CAThu, Oct 15, 7:41 AM PDT · 16421 days ago · 4 km deep · 80 km away
53. 1.512km W of Anza, CAThu, Oct 15, 8:02 AM PDT · 16421 days ago · 2 km deep · 80 km away
54. 2.54km E of Palomar Observatory, CAThu, Oct 15, 8:26 AM PDT · 16421 days ago · 5 km deep · 66 km away
55. 1.610km NE of Aguanga, CAThu, Oct 15, 11:28 AM PDT · 16421 days ago · 1 km deep · 76 km away
56. 1.512km W of Anza, CAThu, Oct 15, 6:15 PM PDT · 16420 days ago · 4 km deep · 80 km away
57. 1.511km W of Anza, CAFri, Oct 16, 7:40 PM PDT · 16419 days ago · 2 km deep · 81 km away
58. 1.812km NE of Ocotillo Wells, CASat, Oct 17, 10:12 AM PDT · 16419 days ago · 5 km deep · 40 km away
59. 2.012km SW of Salton City, CASat, Oct 17, 12:36 PM PDT · 16419 days ago · 5 km deep · 40 km away
60. 3.712km SW of Salton City, CASat, Oct 17, 12:47 PM PDT · 16419 days ago · 15 km deep · 40 km away

The first 60 of 138.

Before

1. 1.518km NE of Coachella, CAFri, Sep 25, 9:22 AM PDT · 16441 days ago · 0 km deep · 98 km away
2. 1.720km WSW of Westmorland, CAThu, Sep 24, 11:05 PM PDT · 16441 days ago · 5 km deep · 48 km away
3. 1.721km WSW of Westmorland, CAThu, Sep 24, 2:16 PM PDT · 16442 days ago · 8 km deep · 46 km away
4. 2.324km ESE of Julian, CAThu, Sep 24, 2:41 AM PDT · 16442 days ago · 6 km deep · 9 km away
5. 1.523km SE of Ocotillo Wells, CAThu, Sep 24, 12:16 AM PDT · 16442 days ago · 10 km deep · 30 km away
6. 1.512km NE of Julian, CAWed, Sep 23, 2:47 PM PDT · 16443 days ago · 8 km deep · 29 km away
7. 1.711km NE of Julian, CATue, Sep 22, 10:44 PM PDT · 16443 days ago · 10 km deep · 29 km away
8. 1.611km W of Calipatria, CATue, Sep 22, 10:16 PM PDT · 16443 days ago · 8 km deep · 67 km away
9. 2.16km ESE of La Jolla, CATue, Sep 22, 8:11 PM PDT · 16443 days ago · 10 km deep · 85 km away
10. 1.910km NNE of Ocotillo Wells, CATue, Sep 22, 3:11 AM PDT · 16444 days ago · 11 km deep · 38 km away
11. 1.615km E of Julian, CAMon, Sep 21, 9:30 PM PDT · 16444 days ago · 9 km deep · 18 km away
12. 1.611km NE of Aguanga, CAMon, Sep 21, 10:05 AM PDT · 16445 days ago · 3 km deep · 77 km away
13. 2.610km NNE of Ocotillo Wells, CAMon, Sep 21, 8:21 AM PDT · 16445 days ago · 9 km deep · 38 km away
14. 1.65km E of Borrego Springs, CASun, Sep 20, 6:00 PM PDT · 16445 days ago · 4 km deep · 36 km away
15. 1.522km SSW of La Quinta, CASat, Sep 19, 8:37 PM PDT · 16446 days ago · 9 km deep · 63 km away
16. 1.611km SW of Westmorland, CASat, Sep 19, 7:49 PM PDT · 16446 days ago · 8 km deep · 57 km away
17. 1.65km S of Idyllwild, CASat, Sep 19, 4:30 PM PDT · 16447 days ago · 16 km deep · 93 km away
18. 1.520km ESE of Anza, CASat, Sep 19, 4:26 PM PDT · 16447 days ago · 20 km deep · 65 km away
19. 1.511km SW of Westmorland, CASat, Sep 19, 3:57 PM PDT · 16447 days ago · 10 km deep · 57 km away
20. 1.55km SSW of Salton City, CASat, Sep 19, 12:05 PM PDT · 16447 days ago · 3 km deep · 47 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci523592. Read Wed, Sep 30, 2026, 11:55 AM UTC.