M3.3 earthquake 6km SE of Temecula, CA

Magnitude

3.3 (ml), minor

Local time

Mon, Sep 28, 1981, 3:57 AM PDT

UTC

1981-09-28 10:57:39 UTC

Depth

7.3 km (4.5 mi), shallow

Epicenter

33.447° N, 117.110° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.4 km horizontally, 0.9 km in depth

Magnitude uncertainty

±0.09

Depth from

From location

Station coverage gap

64°

Stations used

68

• Rainbow, CaliforniaPopulation 1,832. Forecast5 kmNE
• Temecula, CaliforniaPopulation 110,003. Forecast6 kmSE
• San Diego, CaliforniaPopulation 1,404,452. Forecast81 kmN

After

1. 1.72km NW of Loma Linda, CAMon, Sep 28, 4:19 AM PDT · 16436 days ago · 16 km deep · 70 km away
2. 1.510km NE of Aguanga, CAMon, Sep 28, 11:31 AM PDT · 16436 days ago · 3 km deep · 31 km away
3. 1.86km ESE of Moreno Valley, CATue, Sep 29, 10:41 AM PDT · 16435 days ago · 12 km deep · 52 km away
4. 1.96km ESE of Moreno Valley, CATue, Sep 29, 10:44 AM PDT · 16435 days ago · 12 km deep · 52 km away
5. 2.36km SE of Temecula, CATue, Sep 29, 12:19 PM PDT · 16435 days ago · 7 km deep · 1 km away
6. 1.821km E of Julian, CATue, Sep 29, 8:56 PM PDT · 16435 days ago · 9 km deep · 82 km away
7. 1.86km SE of Temecula, CAWed, Sep 30, 2:10 AM PDT · 16434 days ago · 8 km deep · 2 km away
8. 2.222km ESE of Julian, CAThu, Oct 1, 6:41 AM PDT · 16433 days ago · 10 km deep · 83 km away
9. 2.26km SE of Temecula, CAFri, Oct 2, 1:54 AM PDT · 16432 days ago · 6 km deep · 2 km away
10. 1.52km SW of Aguanga, CASat, Oct 3, 10:23 AM PDT · 16431 days ago · 3 km deep · 21 km away
11. 2.112km SE of San Diego Country Estates, CASat, Oct 3, 11:48 AM PDT · 16431 days ago · 9 km deep · 69 km away
12. 2.23km ENE of Lytle Creek, CAMon, Oct 5, 1:03 AM PDT · 16429 days ago · 11 km deep · 97 km away
13. 2.64km WNW of Devore, CAMon, Oct 5, 3:42 AM PDT · 16429 days ago · 8 km deep · 92 km away
14. 2.94km WNW of Devore, CAMon, Oct 5, 10:43 AM PDT · 16429 days ago · 8 km deep · 93 km away
15. 1.96km WNW of Desert Hot Springs, CAMon, Oct 5, 6:17 PM PDT · 16429 days ago · 7 km deep · 78 km away
16. 1.620km NNW of Borrego Springs, CATue, Oct 6, 1:06 PM PDT · 16428 days ago · 12 km deep · 62 km away
17. 2.52km ESE of Cabazon, CAWed, Oct 7, 5:12 PM PDT · 16427 days ago · 16 km deep · 60 km away
18. 1.58km ESE of Palomar Observatory, CAWed, Oct 7, 6:21 PM PDT · 16427 days ago · 2 km deep · 33 km away
19. 2.35km E of Calimesa, CAThu, Oct 8, 1:24 PM PDT · 16426 days ago · 13 km deep · 61 km away
20. 1.610km SE of Anza, CASat, Oct 10, 4:42 PM PDT · 16424 days ago · 9 km deep · 48 km away
21. 1.75km NNE of Cabazon, CASun, Oct 11, 12:41 AM PDT · 16423 days ago · 17 km deep · 65 km away
22. 1.911km WSW of Anza, CASun, Oct 11, 4:43 AM PDT · 16423 days ago · 4 km deep · 32 km away
23. 1.832km SSW of Dana Point, CAMon, Oct 12, 3:30 AM PDT · 16422 days ago · 6 km deep · 72 km away
24. 1.86km SSW of Banning, CAMon, Oct 12, 10:04 AM PDT · 16422 days ago · 11 km deep · 52 km away
25. 1.94km SSE of Loma Linda, CAWed, Oct 14, 10:26 AM PDT · 16420 days ago · 13 km deep · 64 km away
26. 1.59km ENE of Villa Park, CAWed, Oct 14, 6:09 PM PDT · 16420 days ago · 8 km deep · 71 km away
27. 2.412km WSW of Anza, CAThu, Oct 15, 7:41 AM PDT · 16419 days ago · 4 km deep · 31 km away
28. 1.512km W of Anza, CAThu, Oct 15, 8:02 AM PDT · 16419 days ago · 2 km deep · 31 km away
29. 2.54km E of Palomar Observatory, CAThu, Oct 15, 8:26 AM PDT · 16419 days ago · 5 km deep · 29 km away
30. 1.610km NE of Aguanga, CAThu, Oct 15, 11:28 AM PDT · 16419 days ago · 1 km deep · 31 km away
31. 1.512km W of Anza, CAThu, Oct 15, 6:15 PM PDT · 16419 days ago · 4 km deep · 31 km away
32. 1.55km SE of Ontario, CAFri, Oct 16, 9:11 AM PDT · 16418 days ago · 5 km deep · 78 km away
33. 1.511km W of Anza, CAFri, Oct 16, 7:40 PM PDT · 16418 days ago · 2 km deep · 31 km away
34. 1.64km NNE of Cabazon, CASat, Oct 17, 12:10 AM PDT · 16417 days ago · 16 km deep · 64 km away
35. 1.53km S of San Bernardino, CASat, Oct 17, 7:25 AM PDT · 16417 days ago · 3 km deep · 75 km away
36. 2.33km S of San Bernardino, CASat, Oct 17, 7:29 AM PDT · 16417 days ago · 3 km deep · 75 km away
37. 1.712km NNE of Ocotillo Wells, CASat, Oct 17, 12:49 PM PDT · 16417 days ago · 3 km deep · 100 km away
38. 2.011km NNE of Ocotillo Wells, CASat, Oct 17, 12:51 PM PDT · 16417 days ago · 5 km deep · 100 km away
39. 1.73km SSW of San Bernardino, CASat, Oct 17, 6:12 PM PDT · 16417 days ago · 3 km deep · 75 km away
40. 1.611km SW of Anza, CASat, Oct 17, 6:16 PM PDT · 16417 days ago · 3 km deep · 32 km away
41. 2.29km ENE of Aguanga, CASun, Oct 18, 6:58 PM PDT · 16416 days ago · 2 km deep · 31 km away
42. 2.013km SE of Anza, CASun, Oct 18, 8:10 PM PDT · 16416 days ago · 7 km deep · 50 km away
43. 1.625km ENE of Pine Valley, CAMon, Oct 19, 12:11 AM PDT · 16415 days ago · 6 km deep · 94 km away
44. 1.69km SW of Idyllwild, CAMon, Oct 19, 4:23 AM PDT · 16415 days ago · 13 km deep · 40 km away
45. 2.317km NW of Yucca Valley, CAMon, Oct 19, 9:04 AM PDT · 16415 days ago · 8 km deep · 99 km away
46. 3.021km ESE of Anza, CATue, Oct 20, 5:40 AM PDT · 16414 days ago · 9 km deep · 62 km away
47. 1.99km ENE of Aguanga, CATue, Oct 20, 7:58 AM PDT · 16414 days ago · 4 km deep · 31 km away
48. 2.221km ESE of Anza, CATue, Oct 20, 10:23 AM PDT · 16414 days ago · 11 km deep · 60 km away
49. 3.310km NE of Aguanga, CATue, Oct 20, 10:37 PM PDT · 16413 days ago · 6 km deep · 32 km away
50. 1.89km SE of Valle Vista, CAWed, Oct 21, 9:44 AM PDT · 16413 days ago · 16 km deep · 39 km away
51. 1.79km SE of Big Bear City, CAWed, Oct 21, 9:21 PM PDT · 16413 days ago · 8 km deep · 89 km away
52. 1.64km WNW of Lake Arrowhead, CAThu, Oct 22, 10:52 AM PDT · 16412 days ago · 3 km deep · 91 km away
53. 2.56km SSW of Redlands, CAThu, Oct 22, 8:50 PM PDT · 16412 days ago · 12 km deep · 62 km away
54. 1.70km WNW of Muscoy, CAThu, Oct 22, 10:46 PM PDT · 16411 days ago · 2 km deep · 82 km away
55. 2.016km E of Desert Hot Springs, CAFri, Oct 23, 10:34 AM PDT · 16411 days ago · -1 km deep · 92 km away
56. 1.78km NNE of Cabazon, CAFri, Oct 23, 3:40 PM PDT · 16411 days ago · 16 km deep · 68 km away
57. 2.314km SSW of Borrego Springs, CASat, Oct 24, 5:19 AM PDT · 16410 days ago · 8 km deep · 71 km away
58. 2.122km ESE of Anza, CASat, Oct 24, 12:47 PM PDT · 16410 days ago · 6 km deep · 60 km away
59. 1.57km SSW of Lytle Creek, CASat, Oct 24, 11:22 PM PDT · 16409 days ago · 5 km deep · 93 km away
60. 1.80km SW of La Palma, CASat, Oct 24, 11:52 PM PDT · 16409 days ago · 2 km deep · 98 km away

The first 60 of 132.

Before

1. 2.66km SE of Temecula, CAMon, Sep 28, 2:27 AM PDT · 16436 days ago · 7 km deep · 1 km away
2. 2.17km SE of Temecula, CAMon, Sep 28, 2:25 AM PDT · 16436 days ago · 8 km deep · 1 km away
3. 2.23km SE of Coronado, CASun, Sep 27, 10:31 PM PDT · 16436 days ago · 5 km deep · 86 km away
4. 2.010km NE of Aguanga, CASat, Sep 26, 7:01 PM PDT · 16438 days ago · 4 km deep · 31 km away
5. 1.53km ENE of Muscoy, CASat, Sep 26, 6:15 PM PDT · 16438 days ago · 8 km deep · 82 km away
6. 2.710km SE of Julian, CASat, Sep 26, 3:55 PM PDT · 16438 days ago · 14 km deep · 73 km away
7. 1.610km NNE of Banning, CASat, Sep 26, 2:24 PM PDT · 16438 days ago · 19 km deep · 68 km away
8. 2.09km SE of Julian, CASat, Sep 26, 11:54 AM PDT · 16438 days ago · 14 km deep · 72 km away
9. 1.810km ENE of Aguanga, CASat, Sep 26, 6:04 AM PDT · 16438 days ago · 3 km deep · 31 km away
10. 1.513km SE of Anza, CAFri, Sep 25, 9:46 PM PDT · 16439 days ago · 8 km deep · 51 km away
11. 1.624km ENE of Pine Valley, CAFri, Sep 25, 6:58 PM PDT · 16439 days ago · 5 km deep · 93 km away
12. 3.310km NNE of Banning, CAFri, Sep 25, 7:13 AM PDT · 16439 days ago · 21 km deep · 68 km away
13. 2.25km NNE of San Bernardino, CAThu, Sep 24, 9:19 PM PDT · 16440 days ago · 1 km deep · 82 km away
14. 2.324km ESE of Julian, CAThu, Sep 24, 2:41 AM PDT · 16440 days ago · 6 km deep · 85 km away
15. 1.74km NW of San Joaquin Hills, CAWed, Sep 23, 8:25 PM PDT · 16441 days ago · 3 km deep · 73 km away
16. 2.12km ESE of Costa Mesa, CAWed, Sep 23, 6:10 PM PDT · 16441 days ago · 5 km deep · 76 km away
17. 1.512km NE of Julian, CAWed, Sep 23, 2:47 PM PDT · 16441 days ago · 8 km deep · 66 km away
18. 1.72km SW of Irvine, CAWed, Sep 23, 9:36 AM PDT · 16441 days ago · 4 km deep · 70 km away
19. 1.711km NE of Julian, CATue, Sep 22, 10:44 PM PDT · 16441 days ago · 10 km deep · 65 km away
20. 2.38km E of Yorba Linda, CATue, Sep 22, 8:53 PM PDT · 16442 days ago · 5 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci523694 (also filed as usp0001g5b). Read Mon, Sep 28, 2026, 4:33 PM UTC.