M2.2 earthquake 24km NNE of Avalon, CA

Magnitude

2.2 (mc), micro

Local time

Mon, Oct 31, 1983, 8:25 AM PST

UTC

1983-10-31 16:25:27 UTC

Depth

5.3 km (3.3 mi), shallow

Epicenter

33.527° N, 118.190° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Depth from

Operator assigned

Station coverage gap

0°

Stations used

0

• Huntington Beach, CaliforniaPopulation 201,899. Forecast23 kmSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast59 kmS

After

1. 1.64km SSW of Fontana, CAWed, Nov 2, 9:38 PM PST · 15665 days ago · 4 km deep · 89 km away
2. 1.94km SW of Fontana, CAWed, Nov 2, 10:27 PM PST · 15665 days ago · 5 km deep · 89 km away
3. 2.517km W of Camp Pendleton South, CAThu, Nov 3, 2:12 PM PST · 15664 days ago · 5 km deep · 68 km away
4. 2.44km SE of Yorba Linda, CAThu, Nov 10, 12:19 PM PST · 15657 days ago · 8 km deep · 53 km away
5. 2.822km NNE of Santa Barbara Is., CAThu, Nov 10, 4:20 PM PST · 15657 days ago · 6 km deep · 77 km away
6. 2.22km NE of Laguna Niguel, CAFri, Nov 11, 8:13 PM PST · 15656 days ago · 6 km deep · 46 km away
7. 2.71km ENE of Laguna Niguel, CASat, Nov 12, 3:56 AM PST · 15655 days ago · 5 km deep · 45 km away
8. 1.74km W of Huntington Beach, CAWed, Nov 16, 12:02 AM PST · 15652 days ago · 5 km deep · 23 km away
9. 2.019km W of Rancho Palos Verdes, CAFri, Nov 18, 6:02 PM PST · 15649 days ago · 5 km deep · 45 km away
10. 1.838km WSW of Encinitas, CAFri, Nov 18, 11:54 PM PST · 15649 days ago · 5 km deep · 80 km away
11. 1.54km SE of Rancho Cucamonga, CASun, Nov 20, 10:17 AM PST · 15647 days ago · 15 km deep · 87 km away
12. 2.822km NNW of Santa Barbara Is., CATue, Nov 22, 4:01 AM PST · 15645 days ago · 6 km deep · 89 km away
13. 2.42km SW of San Juan Capistrano, CATue, Nov 22, 9:51 PM PST · 15645 days ago · 6 km deep · 47 km away
14. 2.85km WNW of Santa Monica, CAWed, Nov 23, 4:01 AM PST · 15644 days ago · 12 km deep · 65 km away
15. 1.53km NNE of Fontana, CAWed, Nov 23, 7:16 PM PST · 15644 days ago · 10 km deep · 95 km away
16. 1.93km N of Fontana, CAThu, Nov 24, 6:55 AM PST · 15643 days ago · 8 km deep · 95 km away
17. 1.63km NW of Altadena, CAThu, Nov 24, 11:57 PM PST · 15643 days ago · 10 km deep · 76 km away
18. 1.69km SW of Lytle Creek, CAFri, Nov 25, 7:29 AM PST · 15642 days ago · 7 km deep · 95 km away
19. 2.546km SW of San Clemente, CASun, Nov 27, 3:36 PM PST · 15640 days ago · 6 km deep · 56 km away
20. 1.947km E of San Clemente Is. (SE tip), CATue, Nov 29, 3:11 AM PST · 15638 days ago · 6 km deep · 84 km away
21. 2.04km NNW of Signal Hill, CATue, Nov 29, 5:23 AM PST · 15638 days ago · 5 km deep · 34 km away
22. 1.930km ESE of Avalon, CAFri, Dec 2, 6:09 PM PST · 15635 days ago · 6 km deep · 32 km away
23. 2.437km NNW of Santa Barbara Is., CAFri, Dec 2, 11:23 PM PST · 15635 days ago · 6 km deep · 99 km away
24. 2.112km WNW of Lakeland Village, CATue, Dec 6, 12:12 PM PST · 15631 days ago · 7 km deep · 71 km away
25. 2.42km SE of Yorba Linda, CAWed, Dec 7, 4:42 AM PST · 15630 days ago · 6 km deep · 53 km away
26. 1.717km S of Malibu Beach, CASat, Dec 10, 8:07 AM PST · 15627 days ago · 5 km deep · 61 km away
27. 1.70km NE of Wildomar, CASun, Dec 11, 11:59 PM PST · 15626 days ago · 5 km deep · 85 km away
28. 2.51km SSE of Santa Barbara Is., CATue, Dec 13, 5:44 AM PST · 15624 days ago · 6 km deep · 81 km away
29. 2.23km ENE of Montebello, CAWed, Dec 14, 5:04 PM PST · 15623 days ago · 4 km deep · 55 km away
30. 1.916km WNW of Santa Barbara Is., CASat, Dec 17, 5:18 PM PST · 15620 days ago · 6 km deep · 94 km away
31. 1.82km SE of Anaheim, CASun, Dec 18, 4:10 AM PST · 15619 days ago · 9 km deep · 44 km away
32. 1.83km SSE of Anaheim, CASun, Dec 18, 4:13 AM PST · 15619 days ago · 9 km deep · 43 km away
33. 2.12km NW of Orange, CASun, Dec 18, 5:11 AM PST · 15619 days ago · 5 km deep · 45 km away
34. 2.43km SE of Anaheim, CAMon, Dec 19, 7:18 AM PST · 15618 days ago · 8 km deep · 44 km away
35. 1.51km ESE of San Marino, CAMon, Dec 19, 8:28 PM PST · 15618 days ago · 5 km deep · 66 km away
36. 2.12km N of Corona, CATue, Dec 20, 2:10 AM PST · 15617 days ago · 8 km deep · 70 km away
37. 2.42km N of Corona, CATue, Dec 20, 2:11 AM PST · 15617 days ago · 5 km deep · 70 km away
38. 1.53km ENE of Montebello, CAWed, Dec 21, 4:00 AM PST · 15616 days ago · 4 km deep · 56 km away
39. 1.62km NNE of Fontana, CAWed, Dec 21, 2:55 PM PST · 15616 days ago · 6 km deep · 95 km away
40. 2.526km SSE of Malibu, CAWed, Dec 21, 10:35 PM PST · 15616 days ago · 5 km deep · 55 km away
41. 2.32km SSW of San Dimas, CAWed, Dec 21, 11:56 PM PST · 15616 days ago · 12 km deep · 71 km away
42. 1.88km S of Lytle Creek, CAFri, Dec 23, 9:51 AM PST · 15614 days ago · 5 km deep · 96 km away
43. 1.816km SW of Wrightwood, CAFri, Dec 23, 2:12 PM PST · 15614 days ago · 5 km deep · 90 km away
44. 2.648km WSW of Encinitas, CAFri, Dec 23, 11:07 PM PST · 15614 days ago · 6 km deep · 77 km away
45. 2.542km ESE of San Clemente Is. (SE tip), CASat, Dec 24, 3:48 AM PST · 15613 days ago · 6 km deep · 100 km away
46. 2.925km NNW of Santa Barbara Is., CASat, Dec 24, 5:15 AM PST · 15613 days ago · 12 km deep · 89 km away
47. 2.310km W of Corona, CASun, Dec 25, 9:39 AM PST · 15612 days ago · 5 km deep · 61 km away
48. 2.645km NE of San Clemente Is. (SE tip), CASun, Dec 25, 4:27 PM PST · 15612 days ago · 6 km deep · 57 km away
49. 1.60km SSE of Inglewood, CASun, Dec 25, 6:53 PM PST · 15612 days ago · 5 km deep · 50 km away
50. 2.844km NE of San Clemente Is. (SE tip), CASun, Dec 25, 11:29 PM PST · 15612 days ago · 6 km deep · 58 km away
51. 2.93km WSW of Rancho Cucamonga, CAMon, Dec 26, 7:46 AM PST · 15611 days ago · 6 km deep · 85 km away
52. 2.08km S of San Clemente, CAWed, Dec 28, 2:37 PM PST · 15609 days ago · 5 km deep · 56 km away
53. 1.82km NNE of Lakewood, CAFri, Dec 30, 5:04 AM PST · 15607 days ago · 5 km deep · 38 km away

Before

1. 1.74km SSE of Anaheim, CAMon, Oct 31, 7:31 AM PST · 15667 days ago · 5 km deep · 43 km away
2. 1.94km SSW of Fontana, CASat, Oct 29, 8:19 AM PDT · 15669 days ago · 4 km deep · 89 km away
3. 2.43km WNW of Orange, CASat, Oct 29, 7:14 AM PDT · 15669 days ago · 8 km deep · 44 km away
4. 1.73km W of Orange, CASat, Oct 29, 1:15 AM PDT · 15670 days ago · 5 km deep · 43 km away
5. 1.83km NNE of Fontana, CAFri, Oct 28, 2:53 AM PDT · 15671 days ago · 5 km deep · 96 km away
6. 2.33km SSW of Fontana, CAWed, Oct 26, 11:54 AM PDT · 15672 days ago · 3 km deep · 90 km away
7. 2.03km SSW of Fontana, CAWed, Oct 26, 2:30 AM PDT · 15673 days ago · 3 km deep · 90 km away
8. 1.84km SSW of Fontana, CAWed, Oct 26, 1:53 AM PDT · 15673 days ago · 3 km deep · 89 km away
9. 1.94km SSW of Fontana, CAWed, Oct 26, 1:29 AM PDT · 15673 days ago · 4 km deep · 89 km away
10. 1.94km SSW of Fontana, CAWed, Oct 26, 1:09 AM PDT · 15673 days ago · 4 km deep · 89 km away
11. 2.03km SSW of Fontana, CAWed, Oct 26, 12:44 AM PDT · 15673 days ago · 3 km deep · 90 km away
12. 2.43km SW of Fontana, CAWed, Oct 26, 12:30 AM PDT · 15673 days ago · 2 km deep · 89 km away
13. 2.13km SSW of Fontana, CAWed, Oct 26, 12:15 AM PDT · 15673 days ago · 3 km deep · 90 km away
14. 2.57km NE of North Tustin, CATue, Oct 25, 7:32 PM PDT · 15673 days ago · 4 km deep · 52 km away
15. 1.73km SSW of Fontana, CATue, Oct 25, 7:21 PM PDT · 15673 days ago · 3 km deep · 90 km away
16. 1.77km SE of Chino Hills, CATue, Oct 25, 10:52 AM PDT · 15673 days ago · 4 km deep · 64 km away
17. 2.415km S of Las Flores, CATue, Oct 25, 6:08 AM PDT · 15673 days ago · 6 km deep · 59 km away
18. 1.96km SE of Ontario, CATue, Oct 25, 12:36 AM PDT · 15674 days ago · 6 km deep · 77 km away
19. 2.03km SSW of Fontana, CAMon, Oct 24, 9:27 PM PDT · 15674 days ago · 4 km deep · 90 km away
20. 2.77km W of El Segundo, CAMon, Oct 24, 1:50 PM PDT · 15674 days ago · 1 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci23698. Read Tue, Sep 22, 2026, 9:39 PM UTC.