M2.0 earthquake 18km N of Avalon, CA

Magnitude

2.0 (mh), micro

Local time

Sat, Apr 4, 1981, 10:50 PM PST

UTC

1981-04-05 06:50:36 UTC

Depth

-0.6 km (-0.4 mi), shallow

Epicenter

33.505° N, 118.303° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 2.1 km in depth

Magnitude uncertainty

±0.22

Depth from

From location

Station coverage gap

101°

Stations used

20

• Avalon, CaliforniaPopulation 3,799. Forecast18 kmN
• San Pedro, CaliforniaPopulation 83,556. Forecast26 kmS
• Long Beach, CaliforniaPopulation 474,140. Forecast31 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast61 kmS

After

1. 1.710km W of Palos Verdes Estates, CAWed, Apr 8, 6:10 PM PST · 16610 days ago · 10 km deep · 37 km away
2. 1.945km SSW of San Clemente, CAWed, Apr 8, 7:58 PM PST · 16610 days ago · 5 km deep · 62 km away
3. 1.844km SSW of San Clemente, CAWed, Apr 8, 8:20 PM PST · 16610 days ago · 6 km deep · 64 km away
4. 2.045km E of San Clemente Is. (SE tip), CASun, Apr 12, 2:10 AM PST · 16607 days ago · 6 km deep · 90 km away
5. 2.36km WSW of Newport Beach, CATue, Apr 14, 4:34 PM PST · 16604 days ago · 1 km deep · 31 km away
6. 1.88km W of El Segundo, CATue, Apr 21, 4:44 AM PST · 16598 days ago · 10 km deep · 49 km away
7. 2.32km NW of Costa Mesa, CATue, Apr 21, 5:36 AM PST · 16598 days ago · 4 km deep · 40 km away
8. 1.54km NW of Yorba Linda, CAWed, Apr 22, 10:56 PM PST · 16596 days ago · 14 km deep · 63 km away
9. 2.05km N of Yorba Linda, CAWed, Apr 22, 11:04 PM PST · 16596 days ago · 6 km deep · 65 km away
10. 2.02km NNW of Brea, CASun, Apr 26, 6:45 PM PDT · 16592 days ago · 7 km deep · 60 km away
11. 1.54km N of Huntington Park, CAMon, Apr 27, 1:47 PM PDT · 16592 days ago · 11 km deep · 57 km away
12. 1.731km NNE of Santa Barbara Is., CATue, Apr 28, 12:32 PM PDT · 16591 days ago · 6 km deep · 69 km away
13. 1.61km SE of MacArthur Park, CAFri, May 1, 4:18 AM PDT · 16588 days ago · 10 km deep · 61 km away
14. 2.028km S of Malibu, CAFri, May 1, 12:14 PM PDT · 16588 days ago · 6 km deep · 58 km away
15. 1.72km SW of Los Angeles, CASat, May 2, 3:40 AM PDT · 16587 days ago · 10 km deep · 60 km away
16. 2.15km N of Sunland, CASun, May 3, 11:44 PM PDT · 16585 days ago · 3 km deep · 89 km away
17. 3.04km NW of Huntington Beach, CATue, May 5, 10:56 PM PDT · 16583 days ago · 7 km deep · 35 km away
18. 1.913km SSE of Malibu Beach, CAThu, May 7, 3:26 AM PDT · 16582 days ago · 13 km deep · 57 km away
19. 2.13km NNW of Maywood, CAFri, May 8, 1:03 PM PDT · 16581 days ago · 14 km deep · 57 km away
20. 1.522km S of Rancho Palos Verdes, CASun, May 10, 6:31 AM PDT · 16579 days ago · 5 km deep · 7 km away
21. 2.316km E of San Clemente Is. (SE tip), CAMon, May 11, 5:38 PM PDT · 16577 days ago · 6 km deep · 78 km away
22. 2.520km S of San Pedro, CAFri, May 15, 9:16 PM PDT · 16573 days ago · 4 km deep · 6 km away
23. 2.23km SSW of Los Angeles, CASat, May 16, 6:56 PM PDT · 16572 days ago · 4 km deep · 59 km away
24. 2.111km W of Corona, CAMon, May 18, 5:48 PM PDT · 16570 days ago · 4 km deep · 71 km away
25. 1.82km S of MacArthur Park, CAWed, May 20, 10:05 AM PDT · 16569 days ago · 7 km deep · 59 km away
26. 1.52km S of Artesia, CAWed, May 20, 11:47 AM PDT · 16569 days ago · 5 km deep · 43 km away
27. 2.07km NE of San Clemente Is. (NW tip), CAThu, May 21, 8:45 PM PDT · 16567 days ago · 14 km deep · 53 km away
28. 1.51km SW of MacArthur Park, CASat, May 23, 1:39 PM PDT · 16566 days ago · 9 km deep · 61 km away
29. 1.51km SSE of MacArthur Park, CASun, May 24, 4:57 AM PDT · 16565 days ago · 8 km deep · 60 km away
30. 2.02km S of Lynwood, CATue, May 26, 3:07 AM PDT · 16563 days ago · 5 km deep · 47 km away
31. 2.01km NNW of West Hills, CAThu, May 28, 11:36 AM PDT · 16561 days ago · 3 km deep · 84 km away
32. 2.11km SW of Paramount, CAFri, May 29, 6:39 AM PDT · 16560 days ago · 8 km deep · 44 km away
33. 1.933km N of Santa Barbara Is., CASun, May 31, 10:55 PM PDT · 16557 days ago · 6 km deep · 75 km away
34. 2.143km E of San Clemente Is. (SE tip), CAMon, Jun 1, 8:27 AM PDT · 16557 days ago · 6 km deep · 81 km away
35. 3.34km NW of Rancho Cucamonga, CATue, Jun 2, 10:29 PM PDT · 16555 days ago · 7 km deep · 96 km away
36. 2.127km WSW of Rancho Palos Verdes, CATue, Jun 2, 11:06 PM PDT · 16555 days ago · 5 km deep · 36 km away
37. 1.824km SW of Dana Point, CAWed, Jun 3, 4:54 AM PDT · 16555 days ago · 5 km deep · 44 km away
38. 2.131km WSW of Rancho Palos Verdes, CAWed, Jun 3, 4:20 PM PDT · 16555 days ago · 5 km deep · 39 km away
39. 2.34km NE of Carson, CAWed, Jun 3, 11:11 PM PDT · 16554 days ago · 18 km deep · 40 km away

Before

1. 2.12km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16615 days ago · 24 km deep · 93 km away
2. 1.54km NE of Thousand Oaks, CASat, Apr 4, 2:05 PM PST · 16615 days ago · 17 km deep · 93 km away
3. 1.846km ENE of San Clemente Is. (SE tip), CASat, Apr 4, 7:15 AM PST · 16615 days ago · 6 km deep · 67 km away
4. 1.72km W of Huntington Beach, CAFri, Apr 3, 11:47 AM PST · 16616 days ago · 5 km deep · 34 km away
5. 2.012km SW of Rancho Palos Verdes, CAThu, Apr 2, 9:00 AM PST · 16617 days ago · 6 km deep · 25 km away
6. 1.77km E of San Pedro, CAWed, Apr 1, 4:52 AM PST · 16618 days ago · 5 km deep · 27 km away
7. 2.316km WNW of Malibu, CATue, Mar 31, 3:36 AM PST · 16619 days ago · 5 km deep · 87 km away
8. 2.242km E of San Clemente Is. (SE tip), CAMon, Mar 30, 3:39 PM PST · 16619 days ago · 6 km deep · 88 km away
9. 1.61km NW of Los Alamitos, CASat, Mar 28, 4:55 AM PST · 16622 days ago · 2 km deep · 40 km away
10. 1.92km W of Huntington Beach, CASat, Mar 28, 3:11 AM PST · 16622 days ago · 4 km deep · 33 km away
11. 2.08km SSW of Malibu Beach, CAFri, Mar 27, 4:57 PM PST · 16622 days ago · 15 km deep · 64 km away
12. 1.822km SSW of Rancho Palos Verdes, CAMon, Mar 16, 11:15 PM PST · 16633 days ago · 5 km deep · 20 km away
13. 1.815km SSE of Avalon, CAThu, Mar 12, 10:59 PM PST · 16637 days ago · 6 km deep · 32 km away
14. 1.83km WSW of Pomona, CATue, Mar 10, 6:16 PM PST · 16639 days ago · 10 km deep · 77 km away
15. 1.815km S of Camarillo, CATue, Mar 10, 6:57 AM PST · 16640 days ago · 16 km deep · 93 km away
16. 1.64km SSW of Culver City, CATue, Mar 10, 12:20 AM PST · 16640 days ago · 5 km deep · 55 km away
17. 2.02km WNW of Compton, CAMon, Mar 9, 7:24 PM PST · 16640 days ago · 14 km deep · 45 km away
18. 1.74km WNW of San Clemente, CASun, Mar 8, 4:00 PM PST · 16641 days ago · 6 km deep · 60 km away
19. 2.47km SW of Santa Clarita, CASat, Mar 7, 4:16 PM PST · 16642 days ago · -1 km deep · 100 km away
20. 1.63km W of Inglewood, CASat, Mar 7, 1:51 PM PST · 16643 days ago · 3 km deep · 51 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci516338. Read Wed, Sep 30, 2026, 10:58 AM UTC.