M1.6 earthquake 22km ESE of Anza, CA

Magnitude

1.6 (Mc), micro

Magnitude from

Southern California Seismic Network

Local time

Fri, Sep 11, 1981, 2:44 PM PDT

UTC

1981-09-11 21:44:00 UTC

Depth

4.9 km (3.0 mi), shallow

Epicenter

33.463° N, 116.462° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.3 km horizontally, 2.5 km in depth

Depth from

From location

Station coverage gap

38°

Stations used

30

• Anza, CaliforniaPopulation 3,014. Forecast22 kmESE
• La Quinta, CaliforniaPopulation 40,476. Forecast26 kmSSW
• Temecula, CaliforniaPopulation 110,003. Forecast64 kmE
• San Diego, CaliforniaPopulation 1,404,452. Forecast106 kmNE

After

1. 2.210km ENE of Aguanga, CAFri, Sep 11, 6:40 PM PDT · 16455 days ago · 3 km deep · 29 km away
2. 2.76km SE of Temecula, CASat, Sep 12, 4:40 AM PDT · 16455 days ago · 7 km deep · 60 km away
3. 1.710km NNW of Anza, CASun, Sep 13, 6:54 AM PDT · 16454 days ago · 15 km deep · 29 km away
4. 2.911km NE of Ocotillo Wells, CASun, Sep 13, 8:53 AM PDT · 16454 days ago · 8 km deep · 45 km away
5. 2.44km NW of Redlands, CASun, Sep 13, 6:18 PM PDT · 16454 days ago · 8 km deep · 97 km away
6. 1.66km W of Desert Hot Springs, CASun, Sep 13, 8:47 PM PDT · 16453 days ago · 10 km deep · 55 km away
7. 2.56km SE of Temecula, CAMon, Sep 14, 2:54 AM PDT · 16453 days ago · 6 km deep · 59 km away
8. 1.54km SE of Temecula, CAMon, Sep 14, 4:15 AM PDT · 16453 days ago · 7 km deep · 61 km away
9. 1.65km S of Salton City, CAMon, Sep 14, 11:35 AM PDT · 16453 days ago · 5 km deep · 52 km away
10. 1.66km WNW of Lake Henshaw, CAMon, Sep 14, 4:11 PM PDT · 16453 days ago · 11 km deep · 40 km away
11. 2.06km SE of Temecula, CAMon, Sep 14, 4:58 PM PDT · 16453 days ago · 8 km deep · 60 km away
12. 1.89km E of Cabazon, CAMon, Sep 14, 5:28 PM PDT · 16453 days ago · 15 km deep · 56 km away
13. 1.522km SSW of La Quinta, CATue, Sep 15, 2:09 AM PDT · 16452 days ago · 7 km deep · 4 km away
14. 1.98km NE of San Jacinto, CAWed, Sep 16, 1:23 AM PDT · 16451 days ago · 12 km deep · 58 km away
15. 1.518km ENE of Thousand Palms, CAWed, Sep 16, 1:40 AM PDT · 16451 days ago · 6 km deep · 53 km away
16. 1.96km WSW of Morongo Valley, CAWed, Sep 16, 11:57 PM PDT · 16450 days ago · 11 km deep · 66 km away
17. 1.922km SSE of Twentynine Palms, CAThu, Sep 17, 1:18 AM PDT · 16450 days ago · 2 km deep · 69 km away
18. 1.55km ENE of Westmorland, CAThu, Sep 17, 10:47 AM PDT · 16450 days ago · 11 km deep · 95 km away
19. 2.010km ESE of North Shore, CAThu, Sep 17, 10:35 PM PDT · 16449 days ago · 7 km deep · 58 km away
20. 2.216km NNE of Pine Valley, CASat, Sep 19, 7:59 AM PDT · 16448 days ago · 9 km deep · 58 km away
21. 1.77km NNE of Cabazon, CASat, Sep 19, 11:26 AM PDT · 16448 days ago · 7 km deep · 63 km away
22. 1.55km SSW of Salton City, CASat, Sep 19, 12:05 PM PDT · 16448 days ago · 3 km deep · 50 km away
23. 1.511km SW of Westmorland, CASat, Sep 19, 3:57 PM PDT · 16448 days ago · 10 km deep · 89 km away
24. 1.520km ESE of Anza, CASat, Sep 19, 4:26 PM PDT · 16448 days ago · 20 km deep · 5 km away
25. 1.65km S of Idyllwild, CASat, Sep 19, 4:30 PM PDT · 16448 days ago · 16 km deep · 36 km away
26. 1.611km SW of Westmorland, CASat, Sep 19, 7:49 PM PDT · 16447 days ago · 8 km deep · 89 km away
27. 1.522km SSW of La Quinta, CASat, Sep 19, 8:37 PM PDT · 16447 days ago · 9 km deep · 5 km away
28. 1.518km NNW of Joshua Tree, CASun, Sep 20, 12:01 PM PDT · 16447 days ago · 9 km deep · 92 km away
29. 1.65km E of Borrego Springs, CASun, Sep 20, 6:00 PM PDT · 16447 days ago · 4 km deep · 25 km away
30. 2.610km NNE of Ocotillo Wells, CAMon, Sep 21, 8:21 AM PDT · 16446 days ago · 9 km deep · 43 km away
31. 1.611km NE of Aguanga, CAMon, Sep 21, 10:05 AM PDT · 16446 days ago · 3 km deep · 30 km away
32. 2.423km N of Yucca Valley, CAMon, Sep 21, 6:11 PM PDT · 16446 days ago · 0 km deep · 95 km away
33. 1.615km E of Julian, CAMon, Sep 21, 9:30 PM PDT · 16445 days ago · 9 km deep · 44 km away
34. 1.910km NNE of Ocotillo Wells, CATue, Sep 22, 3:11 AM PDT · 16445 days ago · 11 km deep · 44 km away
35. 2.16km ESE of La Jolla, CATue, Sep 22, 8:11 PM PDT · 16444 days ago · 10 km deep · 99 km away
36. 1.611km W of Calipatria, CATue, Sep 22, 10:16 PM PDT · 16444 days ago · 8 km deep · 85 km away
37. 1.711km NE of Julian, CATue, Sep 22, 10:44 PM PDT · 16444 days ago · 10 km deep · 36 km away
38. 1.536km NW of Desert Center, CAWed, Sep 23, 6:00 AM PDT · 16444 days ago · 8 km deep · 90 km away
39. 1.512km NE of Julian, CAWed, Sep 23, 2:47 PM PDT · 16444 days ago · 8 km deep · 36 km away
40. 1.523km SE of Ocotillo Wells, CAThu, Sep 24, 12:16 AM PDT · 16443 days ago · 10 km deep · 70 km away
41. 2.324km ESE of Julian, CAThu, Sep 24, 2:41 AM PDT · 16443 days ago · 6 km deep · 51 km away
42. 1.721km WSW of Westmorland, CAThu, Sep 24, 2:16 PM PDT · 16443 days ago · 8 km deep · 84 km away
43. 1.720km WSW of Westmorland, CAThu, Sep 24, 11:05 PM PDT · 16442 days ago · 5 km deep · 84 km away
44. 3.310km NNE of Banning, CAFri, Sep 25, 7:13 AM PDT · 16442 days ago · 21 km deep · 71 km away
45. 1.518km NE of Coachella, CAFri, Sep 25, 9:22 AM PDT · 16442 days ago · 0 km deep · 54 km away
46. 1.624km ENE of Pine Valley, CAFri, Sep 25, 6:58 PM PDT · 16441 days ago · 5 km deep · 60 km away
47. 1.513km SE of Anza, CAFri, Sep 25, 9:46 PM PDT · 16441 days ago · 8 km deep · 10 km away
48. 1.810km ENE of Aguanga, CASat, Sep 26, 6:04 AM PDT · 16441 days ago · 3 km deep · 29 km away
49. 2.09km SE of Julian, CASat, Sep 26, 11:54 AM PDT · 16441 days ago · 14 km deep · 49 km away
50. 1.610km NNE of Banning, CASat, Sep 26, 2:24 PM PDT · 16441 days ago · 19 km deep · 71 km away
51. 2.710km SE of Julian, CASat, Sep 26, 3:55 PM PDT · 16441 days ago · 14 km deep · 50 km away
52. 2.010km NE of Aguanga, CASat, Sep 26, 7:01 PM PDT · 16440 days ago · 4 km deep · 29 km away
53. 2.810km SW of Westmorland, CAMon, Sep 28, 2:20 AM PDT · 16439 days ago · 14 km deep · 88 km away
54. 2.17km SE of Temecula, CAMon, Sep 28, 2:25 AM PDT · 16439 days ago · 8 km deep · 59 km away
55. 2.66km SE of Temecula, CAMon, Sep 28, 2:27 AM PDT · 16439 days ago · 7 km deep · 60 km away
56. 3.36km SE of Temecula, CAMon, Sep 28, 3:57 AM PDT · 16439 days ago · 7 km deep · 60 km away
57. 1.56km WSW of Westmorland, CAMon, Sep 28, 10:43 AM PDT · 16439 days ago · 4 km deep · 87 km away
58. 1.510km NE of Aguanga, CAMon, Sep 28, 11:31 AM PDT · 16439 days ago · 3 km deep · 30 km away
59. 1.710km SW of Westmorland, CAMon, Sep 28, 3:12 PM PDT · 16439 days ago · 11 km deep · 88 km away
60. 1.722km SSE of Twentynine Palms, CAMon, Sep 28, 8:33 PM PDT · 16438 days ago · 7 km deep · 70 km away

The first 60 of 168.

Before

1. 2.814km W of Morongo Valley, CAThu, Sep 10, 2:35 PM PDT · 16457 days ago · 9 km deep · 71 km away
2. 1.522km N of Yucca Valley, CAThu, Sep 10, 8:36 AM PDT · 16457 days ago · -1 km deep · 94 km away
3. 1.734km NNE of North Shore, CAWed, Sep 9, 7:50 PM PDT · 16457 days ago · 2 km deep · 74 km away
4. 1.934km NNE of North Shore, CAWed, Sep 9, 7:40 PM PDT · 16457 days ago · 4 km deep · 73 km away
5. 2.411km NE of Aguanga, CATue, Sep 8, 5:42 PM PDT · 16459 days ago · 4 km deep · 30 km away
6. 1.76km SSW of Salton City, CATue, Sep 8, 4:54 PM PDT · 16459 days ago · 3 km deep · 51 km away
7. 2.64km SSE of Loma Linda, CATue, Sep 8, 6:20 AM PDT · 16459 days ago · 14 km deep · 95 km away
8. 1.66km SSW of Salton City, CAMon, Sep 7, 3:00 AM PDT · 16460 days ago · 3 km deep · 52 km away
9. 2.28km NNE of Cabazon, CAMon, Sep 7, 1:32 AM PDT · 16460 days ago · 6 km deep · 64 km away
10. 1.66km SSW of Salton City, CASun, Sep 6, 10:44 PM PDT · 16460 days ago · 0 km deep · 51 km away
11. 1.66km SSW of Salton City, CASun, Sep 6, 7:41 PM PDT · 16460 days ago · 3 km deep · 51 km away
12. 1.65km SSW of Salton City, CASun, Sep 6, 6:05 PM PDT · 16461 days ago · 4 km deep · 51 km away
13. 2.221km SW of Ocotillo Wells, CASat, Sep 5, 11:21 PM PDT · 16461 days ago · 7 km deep · 54 km away
14. 1.78km NNE of Julian, CASat, Sep 5, 11:15 PM PDT · 16461 days ago · 12 km deep · 37 km away
15. 1.59km NNE of Julian, CASat, Sep 5, 4:04 AM PDT · 16462 days ago · 14 km deep · 35 km away
16. 1.57km SSW of Salton City, CAFri, Sep 4, 3:30 AM PDT · 16463 days ago · 3 km deep · 52 km away
17. 1.525km N of Yucca Valley, CAFri, Sep 4, 12:27 AM PDT · 16463 days ago · 0 km deep · 97 km away
18. 1.510km NNE of Julian, CAThu, Sep 3, 10:51 PM PDT · 16463 days ago · 14 km deep · 35 km away
19. 2.58km NNE of Julian, CAThu, Sep 3, 7:27 PM PDT · 16463 days ago · 17 km deep · 37 km away
20. 2.78km NNE of Julian, CAThu, Sep 3, 6:35 PM PDT · 16463 days ago · 15 km deep · 37 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci522888. Read Thu, Oct 1, 2026, 1:02 PM UTC.