M3.0 earthquake 28km NW of Avalon, CA

Magnitude

3.0 (mh), minor

Local time

Wed, Mar 21, 1973, 9:54 AM PST

UTC

1973-03-21 17:54:39 UTC

Depth

6.0 km (3.7 mi), shallow

Epicenter

33.511° N, 118.558° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 5.0 km horizontally, 31.6 km in depth

Magnitude uncertainty

±0.26

Depth from

Operator assigned

Station coverage gap

270°, poorly surrounded by stations

Stations used

4

• Avalon, CaliforniaPopulation 3,799. Forecast28 kmNW
• Rancho Palos Verdes, CaliforniaPopulation 42,732. Forecast30 kmSSW
• Torrance, CaliforniaPopulation 143,592. Forecast41 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast67 kmSSW

After

1. 2.418km S of Camarillo, CAFri, Mar 23, 12:32 AM PST · 19550 days ago · 6 km deep · 75 km away
2. 1.724km SW of Newport Beach, CASat, Mar 24, 5:08 AM PST · 19549 days ago · 6 km deep · 44 km away
3. 2.524km S of Malibu Beach, CASun, Mar 25, 5:27 PM PST · 19547 days ago · 6 km deep · 36 km away
4. 2.015km SW of Malibu, CAMon, Mar 26, 1:30 AM PST · 19547 days ago · 6 km deep · 57 km away
5. 2.77km E of Camarillo, CAMon, Mar 26, 7:13 AM PST · 19546 days ago · 6 km deep · 88 km away
6. 2.313km W of Malibu, CAMon, Mar 26, 4:39 PM PST · 19546 days ago · 8 km deep · 65 km away
7. 1.71km SW of Cudahy, CAWed, Mar 28, 12:22 AM PST · 19545 days ago · 6 km deep · 60 km away
8. 3.03km ESE of Century City, CAThu, Mar 29, 1:35 PM PST · 19543 days ago · 0 km deep · 62 km away
9. 1.79km NNE of Pacoima, CAFri, Mar 30, 4:47 AM PST · 19543 days ago · 7 km deep · 96 km away
10. 1.71km SSE of Santa Monica, CAFri, Mar 30, 1:35 PM PST · 19542 days ago · 5 km deep · 56 km away
11. 1.72km WSW of Santa Monica, CAFri, Mar 30, 9:33 PM PST · 19542 days ago · 3 km deep · 56 km away
12. 2.27km NNW of Pacoima, CAMon, Apr 2, 4:11 PM PST · 19539 days ago · 6 km deep · 93 km away
13. 1.71km SE of Santa Monica, CAMon, Apr 2, 11:09 PM PST · 19539 days ago · 6 km deep · 56 km away
14. 1.73km NE of Costa Mesa, CAFri, Apr 6, 3:05 AM PST · 19536 days ago · 8 km deep · 65 km away
15. 2.933km WNW of San Clemente Is. (NW tip), CASun, Apr 8, 11:11 AM PST · 19533 days ago · 6 km deep · 57 km away
16. 1.78km SE of Santa Clarita, CASun, Apr 8, 12:52 PM PST · 19533 days ago · 8 km deep · 96 km away
17. 1.72km SSE of Chatsworth, CAMon, Apr 9, 2:41 AM PST · 19533 days ago · 7 km deep · 81 km away
18. 1.72km N of Silver Lake, CATue, Apr 10, 10:08 AM PST · 19531 days ago · 5 km deep · 72 km away
19. 1.77km N of Lake View Terrace, CATue, Apr 10, 9:40 PM PST · 19531 days ago · 1 km deep · 93 km away
20. 1.77km N of Lake View Terrace, CAWed, Apr 11, 12:48 AM PST · 19531 days ago · 6 km deep · 94 km away
21. 1.72km SSE of Monterey Park, CAWed, Apr 11, 4:15 PM PST · 19530 days ago · 8 km deep · 72 km away
22. 2.65km SE of Santa Clarita, CAWed, Apr 11, 7:33 PM PST · 19530 days ago · 0 km deep · 98 km away
23. 2.22km E of Canoga Park, CAThu, Apr 12, 6:48 AM PST · 19529 days ago · 2 km deep · 77 km away
24. 1.75km E of Villa Park, CAThu, Apr 12, 4:25 PM PST · 19529 days ago · 5 km deep · 81 km away
25. 1.79km ESE of Santa Clarita, CAThu, Apr 12, 8:40 PM PST · 19529 days ago · 7 km deep · 97 km away
26. 1.712km SSW of Agua Dulce, CAFri, Apr 13, 4:48 AM PST · 19529 days ago · 10 km deep · 100 km away
27. 1.710km ESE of Santa Clarita, CAFri, Apr 13, 4:49 AM PST · 19529 days ago · 10 km deep · 99 km away
28. 1.75km SSW of Huntington Beach, CASat, Apr 14, 1:17 AM PST · 19528 days ago · 6 km deep · 53 km away
29. 1.79km N of Lake View Terrace, CASun, Apr 15, 3:21 AM PST · 19527 days ago · 4 km deep · 95 km away
30. 1.78km N of Lake View Terrace, CATue, Apr 17, 10:23 AM PST · 19524 days ago · 3 km deep · 94 km away
31. 1.78km NNE of Pacoima, CATue, Apr 17, 1:33 PM PST · 19524 days ago · 3 km deep · 94 km away
32. 1.710km ESE of Santa Clarita, CATue, Apr 17, 1:34 PM PST · 19524 days ago · 10 km deep · 99 km away
33. 3.08km ESE of Santa Clarita, CATue, Apr 17, 1:34 PM PST · 19524 days ago · 10 km deep · 99 km away
34. 1.711km N of Lake View Terrace, CAThu, Apr 19, 4:49 AM PST · 19523 days ago · 5 km deep · 97 km away
35. 2.37km S of Las Flores, CAThu, Apr 19, 11:29 AM PST · 19522 days ago · 6 km deep · 52 km away
36. 1.76km NNE of Lake View Terrace, CASun, Apr 22, 2:01 AM PST · 19520 days ago · 8 km deep · 92 km away
37. 1.72km NW of Lake View Terrace, CASun, Apr 22, 3:42 AM PST · 19520 days ago · 8 km deep · 88 km away
38. 1.72km NW of Lake View Terrace, CASun, Apr 22, 3:48 AM PST · 19520 days ago · 8 km deep · 88 km away
39. 1.73km NNW of Chatsworth, CASun, Apr 22, 12:04 PM PST · 19519 days ago · 5 km deep · 86 km away
40. 1.72km WSW of Altadena, CASun, Apr 22, 4:49 PM PST · 19519 days ago · 10 km deep · 83 km away
41. 1.74km WSW of MacArthur Park, CATue, Apr 24, 6:54 AM PST · 19517 days ago · 1 km deep · 63 km away
42. 1.711km ESE of Santa Clarita, CAThu, Apr 26, 5:13 PM PST · 19515 days ago · 9 km deep · 99 km away
43. 1.711km ESE of Santa Clarita, CAThu, Apr 26, 7:21 PM PST · 19515 days ago · 9 km deep · 98 km away
44. 1.710km N of Lake View Terrace, CAFri, Apr 27, 2:24 AM PST · 19515 days ago · 6 km deep · 96 km away
45. 1.78km NE of Lake View Terrace, CAFri, Apr 27, 8:01 AM PST · 19514 days ago · 8 km deep · 93 km away
46. 1.78km NNE of Lake View Terrace, CAFri, Apr 27, 11:09 PM PST · 19514 days ago · 7 km deep · 94 km away
47. 1.74km NNE of Pacoima, CATue, May 1, 4:31 PM PDT · 19510 days ago · 5 km deep · 90 km away
48. 1.78km NE of Sunland, CATue, May 1, 6:33 PM PDT · 19510 days ago · 6 km deep · 93 km away
49. 1.77km N of Sunland, CAWed, May 2, 12:16 AM PDT · 19510 days ago · 9 km deep · 94 km away
50. 1.77km N of Lake View Terrace, CAWed, May 2, 8:05 AM PDT · 19509 days ago · 2 km deep · 93 km away
51. 1.72km WSW of Fountain Valley, CAThu, May 3, 8:58 AM PDT · 19508 days ago · 9 km deep · 58 km away
52. 1.711km NNE of Pacoima, CASun, May 6, 7:35 AM PDT · 19505 days ago · 8 km deep · 97 km away
53. 1.712km SSW of Agua Dulce, CAMon, May 7, 6:29 AM PDT · 19505 days ago · 7 km deep · 100 km away
54. 2.48km ESE of Santa Clarita, CATue, May 8, 12:05 PM PDT · 19503 days ago · 0 km deep · 98 km away
55. 2.98km SE of Santa Clarita, CATue, May 8, 1:37 PM PDT · 19503 days ago · 7 km deep · 96 km away
56. 1.78km ESE of Santa Clarita, CATue, May 8, 1:38 PM PDT · 19503 days ago · 9 km deep · 100 km away
57. 2.46km SSE of Santa Clarita, CATue, May 8, 1:39 PM PDT · 19503 days ago · 0 km deep · 95 km away
58. 2.26km SE of Santa Clarita, CATue, May 8, 1:47 PM PDT · 19503 days ago · 0 km deep · 97 km away
59. 1.76km E of San Pedro, CATue, May 8, 8:35 PM PDT · 19503 days ago · 0 km deep · 40 km away
60. 1.78km NNE of Pacoima, CAWed, May 9, 7:15 PM PDT · 19502 days ago · 5 km deep · 94 km away

The first 60 of 74.

Before

1. 2.321km NNW of Avalon, CAWed, Mar 21, 9:04 AM PST · 19551 days ago · 6 km deep · 12 km away
2. 1.721km SSW of San Pedro, CAWed, Mar 21, 2:45 AM PST · 19552 days ago · 6 km deep · 20 km away
3. 2.716km S of Rancho Palos Verdes, CAWed, Mar 21, 2:07 AM PST · 19552 days ago · 6 km deep · 17 km away
4. 1.720km SSW of San Pedro, CAWed, Mar 21, 2:00 AM PST · 19552 days ago · 0 km deep · 20 km away
5. 1.719km S of Rancho Palos Verdes, CAWed, Mar 21, 1:58 AM PST · 19552 days ago · 6 km deep · 17 km away
6. 3.34km E of Carson, CATue, Mar 20, 8:11 PM PST · 19552 days ago · 8 km deep · 46 km away
7. 2.318km SSW of Newport Beach, CATue, Mar 20, 5:01 AM PST · 19553 days ago · 6 km deep · 48 km away
8. 1.74km SW of Huntington Beach, CAMon, Mar 19, 6:15 PM PST · 19553 days ago · 5 km deep · 51 km away
9. 1.74km N of Granada Hills, CAMon, Mar 19, 12:11 PM PST · 19553 days ago · 15 km deep · 89 km away
10. 2.414km SW of Huntington Beach, CAMon, Mar 19, 11:58 AM PST · 19553 days ago · 6 km deep · 44 km away
11. 2.322km S of Rancho Palos Verdes, CAMon, Mar 19, 3:14 AM PST · 19554 days ago · 6 km deep · 13 km away
12. 2.223km NNW of Avalon, CASun, Mar 18, 11:14 PM PST · 19554 days ago · 6 km deep · 9 km away
13. 2.420km S of Rancho Palos Verdes, CASun, Mar 18, 6:37 PM PST · 19554 days ago · 6 km deep · 16 km away
14. 3.312km NW of Avalon, CASun, Mar 18, 6:14 PM PST · 19554 days ago · 6 km deep · 17 km away
15. 3.221km NNW of Avalon, CASun, Mar 18, 6:13 PM PST · 19554 days ago · 6 km deep · 17 km away
16. 1.720km SSW of Rancho Palos Verdes, CASun, Mar 18, 3:20 PM PST · 19554 days ago · 6 km deep · 13 km away
17. 2.55km NW of Newport Beach, CASat, Mar 17, 1:53 AM PST · 19556 days ago · 6 km deep · 56 km away
18. 1.72km E of Panorama City, CAFri, Mar 16, 7:38 PM PST · 19556 days ago · 6 km deep · 80 km away
19. 3.616km WSW of Malibu, CAFri, Mar 16, 4:54 PM PST · 19556 days ago · 6 km deep · 64 km away
20. 3.314km SSE of Camarillo, CAFri, Mar 16, 2:38 PM PST · 19556 days ago · 6 km deep · 76 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3320161. Read Thu, Oct 1, 2026, 1:14 AM UTC.