M1.6 earthquake 24km E of Avalon, CA

Magnitude

1.6 (mh), micro

Local time

Mon, Sep 7, 1981, 9:37 AM PDT

UTC

1981-09-07 16:37:49 UTC

Depth

5.3 km (3.3 mi), shallow

Epicenter

33.378° N, 118.071° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.4 km horizontally, 31.6 km in depth

Depth from

Operator assigned

Station coverage gap

169°

Stations used

8

• Avalon, CaliforniaPopulation 3,799. Forecast24 kmE
• Newport Beach, CaliforniaPopulation 87,127. Forecast30 kmSSW
• Huntington Beach, CaliforniaPopulation 201,899. Forecast32 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast77 kmSSE

After

1. 1.918km N of Santa Barbara Is., CAMon, Sep 7, 11:58 AM PDT · 16457 days ago · 6 km deep · 95 km away
2. 2.220km N of Santa Barbara Is., CAMon, Sep 7, 12:42 PM PDT · 16457 days ago · 5 km deep · 99 km away
3. 1.721km N of Santa Barbara Is., CAMon, Sep 7, 6:22 PM PDT · 16457 days ago · 5 km deep · 96 km away
4. 1.923km N of Santa Barbara Is., CAMon, Sep 7, 9:25 PM PDT · 16457 days ago · 6 km deep · 94 km away
5. 1.819km N of Santa Barbara Is., CAMon, Sep 7, 10:27 PM PDT · 16457 days ago · 5 km deep · 94 km away
6. 2.719km N of Santa Barbara Is., CATue, Sep 8, 3:36 AM PDT · 16457 days ago · 6 km deep · 96 km away
7. 1.820km N of Santa Barbara Is., CATue, Sep 8, 1:08 PM PDT · 16456 days ago · 6 km deep · 97 km away
8. 1.720km N of Santa Barbara Is., CATue, Sep 8, 9:30 PM PDT · 16456 days ago · 6 km deep · 95 km away
9. 1.622km NNE of Santa Barbara Is., CATue, Sep 8, 11:24 PM PDT · 16456 days ago · 6 km deep · 87 km away
10. 1.623km NNE of Santa Barbara Is., CATue, Sep 8, 11:26 PM PDT · 16456 days ago · 6 km deep · 91 km away
11. 2.714km N of Santa Barbara Is., CATue, Sep 8, 11:33 PM PDT · 16456 days ago · 6 km deep · 95 km away
12. 1.720km NNE of Santa Barbara Is., CAWed, Sep 9, 12:57 PM PDT · 16455 days ago · 6 km deep · 89 km away
13. 1.620km N of Santa Barbara Is., CAWed, Sep 9, 4:36 PM PDT · 16455 days ago · 6 km deep · 95 km away
14. 1.818km N of Santa Barbara Is., CAWed, Sep 9, 5:50 PM PDT · 16455 days ago · 6 km deep · 93 km away
15. 2.118km N of Santa Barbara Is., CAWed, Sep 9, 6:53 PM PDT · 16455 days ago · 6 km deep · 95 km away
16. 1.53km NNE of Claremont, CAWed, Sep 9, 11:44 PM PDT · 16455 days ago · 3 km deep · 89 km away
17. 2.617km NNE of Santa Barbara Is., CAThu, Sep 10, 6:56 AM PDT · 16454 days ago · 6 km deep · 91 km away
18. 1.822km N of Santa Barbara Is., CAThu, Sep 10, 8:10 PM PDT · 16454 days ago · 5 km deep · 99 km away
19. 1.620km N of Santa Barbara Is., CAThu, Sep 10, 11:50 PM PDT · 16454 days ago · 0 km deep · 93 km away
20. 2.416km N of Santa Barbara Is., CAFri, Sep 11, 3:40 AM PDT · 16454 days ago · 6 km deep · 95 km away
21. 1.710km S of Las Flores, CAFri, Sep 11, 4:46 AM PDT · 16454 days ago · 8 km deep · 81 km away
22. 2.123km N of Santa Barbara Is., CAFri, Sep 11, 10:34 PM PDT · 16453 days ago · 6 km deep · 99 km away
23. 2.32km ENE of Newport Beach, CASat, Sep 12, 2:12 AM PDT · 16453 days ago · 14 km deep · 32 km away
24. 2.76km SE of Temecula, CASat, Sep 12, 4:40 AM PDT · 16453 days ago · 7 km deep · 90 km away
25. 2.022km N of Santa Barbara Is., CASat, Sep 12, 9:19 AM PDT · 16452 days ago · 6 km deep · 99 km away
26. 2.422km N of Santa Barbara Is., CASat, Sep 12, 10:32 AM PDT · 16452 days ago · 8 km deep · 97 km away
27. 1.924km NNE of Santa Barbara Is., CASat, Sep 12, 11:17 AM PDT · 16452 days ago · 6 km deep · 91 km away
28. 1.923km N of Santa Barbara Is., CASat, Sep 12, 1:29 PM PDT · 16452 days ago · 6 km deep · 95 km away
29. 2.420km NNE of Santa Barbara Is., CASat, Sep 12, 4:14 PM PDT · 16452 days ago · 5 km deep · 93 km away
30. 2.718km N of Santa Barbara Is., CASat, Sep 12, 5:06 PM PDT · 16452 days ago · 4 km deep · 95 km away
31. 2.317km N of Santa Barbara Is., CASun, Sep 13, 4:36 PM PDT · 16451 days ago · 10 km deep · 95 km away
32. 2.56km SE of Temecula, CAMon, Sep 14, 2:54 AM PDT · 16451 days ago · 6 km deep · 90 km away
33. 1.54km SE of Temecula, CAMon, Sep 14, 4:15 AM PDT · 16451 days ago · 7 km deep · 89 km away
34. 2.06km SE of Temecula, CAMon, Sep 14, 4:58 PM PDT · 16450 days ago · 8 km deep · 90 km away
35. 1.722km N of Santa Barbara Is., CATue, Sep 15, 3:47 AM PDT · 16450 days ago · 6 km deep · 95 km away
36. 1.621km NNE of Santa Barbara Is., CATue, Sep 15, 12:05 PM PDT · 16449 days ago · 6 km deep · 89 km away
37. 2.917km NNE of Santa Barbara Is., CATue, Sep 15, 12:56 PM PDT · 16449 days ago · 6 km deep · 89 km away
38. 2.721km N of Santa Barbara Is., CATue, Sep 15, 1:37 PM PDT · 16449 days ago · 6 km deep · 95 km away
39. 1.719km SW of Newport Beach, CATue, Sep 15, 2:49 PM PDT · 16449 days ago · 5 km deep · 12 km away
40. 3.016km NE of Santa Barbara Is., CATue, Sep 15, 6:16 PM PDT · 16449 days ago · 10 km deep · 85 km away
41. 3.416km NE of Santa Barbara Is., CATue, Sep 15, 6:19 PM PDT · 16449 days ago · 10 km deep · 84 km away
42. 2.623km N of Santa Barbara Is., CATue, Sep 15, 11:29 PM PDT · 16449 days ago · 11 km deep · 98 km away
43. 2.124km N of Santa Barbara Is., CAWed, Sep 16, 3:45 PM PDT · 16448 days ago · 6 km deep · 96 km away
44. 2.020km N of Santa Barbara Is., CAThu, Sep 17, 2:05 PM PDT · 16447 days ago · 4 km deep · 95 km away
45. 2.222km N of Santa Barbara Is., CASat, Sep 19, 1:59 AM PDT · 16446 days ago · 6 km deep · 96 km away
46. 2.118km SW of La Jolla, CASat, Sep 19, 2:20 AM PDT · 16446 days ago · 6 km deep · 96 km away
47. 2.310km NE of Santa Barbara Is., CASat, Sep 19, 5:15 AM PDT · 16445 days ago · 6 km deep · 88 km away
48. 1.710km NE of Santa Barbara Is., CASat, Sep 19, 6:43 AM PDT · 16445 days ago · 6 km deep · 87 km away
49. 1.721km N of Santa Barbara Is., CASat, Sep 19, 10:14 PM PDT · 16445 days ago · 8 km deep · 95 km away
50. 1.623km N of Santa Barbara Is., CASun, Sep 20, 9:49 PM PDT · 16444 days ago · 6 km deep · 95 km away
51. 2.816km NNE of Santa Barbara Is., CAMon, Sep 21, 3:08 AM PDT · 16444 days ago · 13 km deep · 92 km away
52. 2.021km NNE of Santa Barbara Is., CAMon, Sep 21, 3:38 PM PDT · 16443 days ago · 9 km deep · 92 km away
53. 2.124km N of Santa Barbara Is., CAMon, Sep 21, 5:11 PM PDT · 16443 days ago · 10 km deep · 99 km away
54. 1.517km N of Santa Barbara Is., CATue, Sep 22, 10:52 AM PDT · 16442 days ago · 18 km deep · 95 km away
55. 2.38km E of Yorba Linda, CATue, Sep 22, 8:53 PM PDT · 16442 days ago · 5 km deep · 66 km away
56. 2.118km N of Santa Barbara Is., CAWed, Sep 23, 6:52 AM PDT · 16441 days ago · 6 km deep · 93 km away
57. 1.72km SW of Irvine, CAWed, Sep 23, 9:36 AM PDT · 16441 days ago · 4 km deep · 40 km away
58. 2.320km NNE of Santa Barbara Is., CAWed, Sep 23, 12:54 PM PDT · 16441 days ago · 9 km deep · 92 km away
59. 2.12km ESE of Costa Mesa, CAWed, Sep 23, 6:10 PM PDT · 16441 days ago · 5 km deep · 36 km away
60. 1.94km SE of Malibu, CAWed, Sep 23, 7:36 PM PDT · 16441 days ago · 13 km deep · 94 km away

The first 60 of 172.

Before

1. 1.720km N of Santa Barbara Is., CAMon, Sep 7, 9:19 AM PDT · 16457 days ago · 5 km deep · 95 km away
2. 2.221km N of Santa Barbara Is., CAMon, Sep 7, 8:21 AM PDT · 16457 days ago · 5 km deep · 98 km away
3. 1.822km N of Santa Barbara Is., CASun, Sep 6, 2:58 PM PDT · 16458 days ago · 5 km deep · 98 km away
4. 3.023km N of Santa Barbara Is., CASun, Sep 6, 11:30 AM PDT · 16458 days ago · 6 km deep · 99 km away
5. 2.022km N of Santa Barbara Is., CASun, Sep 6, 6:41 AM PDT · 16458 days ago · 5 km deep · 95 km away
6. 2.423km N of Santa Barbara Is., CASun, Sep 6, 2:49 AM PDT · 16459 days ago · 6 km deep · 95 km away
7. 2.019km NNE of Santa Barbara Is., CASun, Sep 6, 2:30 AM PDT · 16459 days ago · 5 km deep · 92 km away
8. 1.724km SSE of Malibu, CASun, Sep 6, 2:27 AM PDT · 16459 days ago · 6 km deep · 78 km away
9. 2.120km N of Santa Barbara Is., CASat, Sep 5, 11:20 PM PDT · 16459 days ago · 6 km deep · 98 km away
10. 1.818km N of Santa Barbara Is., CASat, Sep 5, 11:18 PM PDT · 16459 days ago · 5 km deep · 94 km away
11. 1.818km NNE of Santa Barbara Is., CASat, Sep 5, 7:59 PM PDT · 16459 days ago · 5 km deep · 92 km away
12. 1.918km N of Santa Barbara Is., CASat, Sep 5, 6:54 PM PDT · 16459 days ago · 6 km deep · 96 km away
13. 1.91km WNW of Buena Park, CASat, Sep 5, 3:35 PM PDT · 16459 days ago · 14 km deep · 55 km away
14. 2.021km NNE of Santa Barbara Is., CASat, Sep 5, 2:36 PM PDT · 16459 days ago · 5 km deep · 91 km away
15. 1.821km NNE of Santa Barbara Is., CASat, Sep 5, 2:22 PM PDT · 16459 days ago · 5 km deep · 88 km away
16. 2.417km N of Santa Barbara Is., CASat, Sep 5, 2:21 PM PDT · 16459 days ago · 6 km deep · 94 km away
17. 1.824km N of Santa Barbara Is., CASat, Sep 5, 2:09 PM PDT · 16459 days ago · 5 km deep · 100 km away
18. 2.222km N of Santa Barbara Is., CASat, Sep 5, 9:26 AM PDT · 16459 days ago · 5 km deep · 100 km away
19. 1.721km NNE of Santa Barbara Is., CASat, Sep 5, 9:17 AM PDT · 16459 days ago · 5 km deep · 93 km away
20. 2.220km N of Santa Barbara Is., CASat, Sep 5, 6:36 AM PDT · 16459 days ago · 6 km deep · 98 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci522665. Read Mon, Sep 28, 2026, 11:19 PM UTC.