M2.1 earthquake 8km E of Avalon, California

Magnitude

2.1 (ML, local (Richter)), micro

Magnitude from

Southern California Seismic Network

Local time

Mon, Jul 7, 2003, 10:00 PM PDT

UTC

2003-07-08 05:00:32 UTC

Depth

6.3 km (3.9 mi), shallow

Epicenter

33.353° N, 118.237° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 14.1 km in depth

Magnitude uncertainty

±0.32

Depth from

From location

Station coverage gap

264°, poorly surrounded by stations

Stations used

10

• Avalon, CaliforniaPopulation 3,799. Forecast8 kmE
• Huntington Beach, CaliforniaPopulation 201,899. Forecast41 kmSSW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast78 kmS

After

1. 2.24km ESE of Ontario, CATue, Jul 8, 6:50 AM PDT · 8490 days ago · 5 km deep · 96 km away
2. 1.710km NW of Lake Elsinore, CAWed, Jul 9, 8:26 PM PDT · 8488 days ago · 11 km deep · 89 km away
3. 1.76km NW of Westwood, CASat, Jul 12, 9:48 PM PDT · 8485 days ago · 11 km deep · 85 km away
4. 2.220km NE of Avalon, CAFri, Jul 18, 3:27 AM PDT · 8480 days ago · 5 km deep · 14 km away
5. 2.34km NNW of Villa Park, CASat, Jul 19, 11:34 AM PDT · 8479 days ago · 9 km deep · 67 km away
6. 1.92km SE of Fallbrook, CATue, Jul 22, 6:50 PM PDT · 8475 days ago · 18 km deep · 93 km away
7. 2.05km S of Signal Hill, CAFri, Jul 25, 8:28 PM PDT · 8472 days ago · 17 km deep · 45 km away
8. 1.84km SE of Placentia, CASat, Jul 26, 5:18 PM PDT · 8472 days ago · 7 km deep · 66 km away
9. 2.436km WSW of Carlsbad, CAMon, Jul 28, 2:18 AM PDT · 8470 days ago · 12 km deep · 66 km away
10. 1.54km NE of Yorba Linda, CAFri, Aug 1, 8:57 AM PDT · 8466 days ago · 13 km deep · 75 km away
11. 2.35km ENE of Topanga, CAFri, Aug 1, 11:35 AM PDT · 8466 days ago · 10 km deep · 89 km away
12. 1.65km NE of Yorba Linda, CASat, Aug 2, 10:53 PM PDT · 8464 days ago · 11 km deep · 76 km away
13. 3.032km W of Avalon, CAThu, Aug 7, 9:55 PM PDT · 8459 days ago · 3 km deep · 40 km away
14. 1.811km WSW of Hermosa Beach, CaliforniaSun, Aug 10, 9:16 AM PDT · 8457 days ago · 6 km deep · 59 km away
15. 1.66km NE of Yorba Linda, CAMon, Aug 11, 11:31 AM PDT · 8456 days ago · 10 km deep · 78 km away
16. 1.74km NNW of Diamond Bar, CATue, Aug 12, 7:24 AM PDT · 8455 days ago · 13 km deep · 88 km away
17. 2.25km NE of Yorba Linda, CAWed, Aug 13, 4:15 AM PDT · 8454 days ago · 11 km deep · 77 km away
18. 2.14km NNE of Yorba Linda, CAWed, Aug 13, 9:16 AM PDT · 8454 days ago · 11 km deep · 75 km away
19. 2.46km NW of Mira Loma, CAThu, Aug 14, 1:38 PM PDT · 8453 days ago · 8 km deep · 98 km away
20. 1.95km NE of Yorba Linda, CASat, Aug 16, 3:35 AM PDT · 8451 days ago · 12 km deep · 76 km away
21. 1.63km SSE of Malibu, CASun, Aug 17, 6:18 AM PDT · 8450 days ago · 14 km deep · 86 km away
22. 2.23km SE of Malibu, CASun, Aug 17, 6:21 AM PDT · 8450 days ago · 13 km deep · 87 km away
23. 1.98km SW of Corona, CAWed, Aug 20, 4:35 AM PDT · 8447 days ago · 6 km deep · 77 km away
24. 1.63km WSW of Rossmoor, CASun, Aug 24, 3:32 AM PDT · 8443 days ago · 12 km deep · 49 km away
25. 1.75km S of Huntington Beach, CaliforniaMon, Aug 25, 1:03 AM PDT · 8442 days ago · 15 km deep · 39 km away
26. 2.75km SW of Huntington Beach, CAMon, Aug 25, 2:30 AM PDT · 8442 days ago · 18 km deep · 39 km away
27. 2.11km NNE of Fullerton, CAMon, Aug 25, 8:10 AM PDT · 8442 days ago · 14 km deep · 66 km away
28. 1.815km SSE of Malibu Beach, CATue, Aug 26, 11:47 AM PDT · 8441 days ago · 13 km deep · 72 km away
29. 1.57km S of Encino, CASat, Aug 30, 5:34 PM PDT · 8437 days ago · 9 km deep · 87 km away
30. 1.73km SW of Santa Monica, CASun, Aug 31, 2:00 AM PDT · 8436 days ago · 13 km deep · 76 km away
31. 1.610km W of Corona, CAFri, Sep 5, 1:20 AM PDT · 8431 days ago · 7 km deep · 79 km away

Before

1. 1.912km W of Malibu, CaliforniaFri, Jul 4, 1:04 PM PDT · 8494 days ago · 10 km deep · 98 km away
2. 2.125km WSW of Encinitas, CASun, Jun 29, 9:20 PM PDT · 8498 days ago · 7 km deep · 78 km away
3. 3.223km SE of San Clemente Is. (SE tip), CAFri, Jun 27, 4:29 AM PDT · 8501 days ago · 6 km deep · 76 km away
4. 1.66km S of Huntington Beach, CAMon, Jun 23, 7:55 AM PDT · 8505 days ago · 17 km deep · 39 km away
5. 2.07km W of Newport Beach, CAMon, Jun 23, 5:14 AM PDT · 8505 days ago · 17 km deep · 38 km away
6. 2.05km SSE of Seal Beach, CaliforniaWed, Jun 18, 3:19 PM PDT · 8510 days ago · 6 km deep · 42 km away
7. 2.520km NE of Avalon, CAWed, Jun 18, 1:41 PM PDT · 8510 days ago · 5 km deep · 14 km away
8. 2.62km E of Pasadena, CAWed, Jun 18, 1:26 PM PDT · 8510 days ago · 5 km deep · 90 km away
9. 2.02km NE of Pasadena, CAWed, Jun 18, 1:09 PM PDT · 8510 days ago · 4 km deep · 91 km away
10. 1.94km SE of Marina del Rey, CAMon, Jun 16, 8:32 PM PDT · 8511 days ago · 15 km deep · 69 km away
11. 1.53km S of Charter Oak, CASun, Jun 15, 10:24 PM PDT · 8512 days ago · 15 km deep · 88 km away
12. 2.89km SSW of Newport Beach, CAFri, Jun 13, 12:07 AM PDT · 8515 days ago · 16 km deep · 33 km away
13. 1.919km WSW of Newport Beach, CAThu, Jun 12, 8:37 AM PDT · 8516 days ago · 12 km deep · 23 km away
14. 1.86km SSE of Malibu, CAThu, Jun 12, 12:00 AM PDT · 8516 days ago · 14 km deep · 84 km away
15. 2.21km ENE of Bellflower, CATue, Jun 10, 8:06 PM PDT · 8517 days ago · 17 km deep · 60 km away
16. 1.54km NE of View Park-Windsor Hills, CATue, Jun 10, 2:42 PM PDT · 8518 days ago · 11 km deep · 75 km away
17. 1.73km ESE of El Monte, CaliforniaSun, Jun 8, 1:45 AM PDT · 8520 days ago · 15 km deep · 83 km away
18. 1.53km E of El Monte, CASun, Jun 8, 1:45 AM PDT · 8520 days ago · 14 km deep · 83 km away
19. 1.82km WSW of View Park-Windsor Hills, CASun, Jun 8, 1:09 AM PDT · 8520 days ago · 13 km deep · 72 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci9929049. Read Mon, Oct 5, 2026, 12:58 PM UTC.