M2.5 earthquake 21km SSW of Carpinteria, CA

Magnitude

2.5 (ml), micro

Local time

Thu, Sep 15, 1977, 4:31 PM PDT

UTC

1977-09-15 23:31:09 UTC

Depth

10.6 km (6.6 mi), shallow

Epicenter

34.241° N, 119.638° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 3.4 km in depth

Magnitude uncertainty

±0.31

Depth from

From location

Station coverage gap

77°

Stations used

16

• Summerland, CaliforniaPopulation 1,448. Forecast20 kmS
• Carpinteria, CaliforniaPopulation 13,727. Forecast21 kmSSW
• Oxnard, CaliforniaPopulation 207,254. Forecast43 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast130 kmW

After

1. 1.717km W of Malibu, CAThu, Sep 15, 6:34 PM PDT · 17903 days ago · 5 km deep · 64 km away
2. 2.021km S of Santa Barbara, CAFri, Sep 16, 5:36 PM PDT · 17902 days ago · 17 km deep · 5 km away
3. 1.810km ESE of Piru, CAMon, Sep 19, 9:01 AM PDT · 17900 days ago · 28 km deep · 88 km away
4. 1.59km SW of Westlake Village, CAWed, Sep 21, 6:54 PM PDT · 17897 days ago · 9 km deep · 73 km away
5. 1.712km S of Camarillo, CAWed, Sep 21, 7:38 PM PDT · 17897 days ago · 17 km deep · 59 km away
6. 1.714km SW of Malibu, CAThu, Sep 22, 8:31 AM PDT · 17897 days ago · 12 km deep · 75 km away
7. 1.711km SE of Port Hueneme, CAThu, Sep 22, 3:10 PM PDT · 17897 days ago · 6 km deep · 52 km away
8. 2.016km WNW of Grapevine, CAFri, Sep 23, 8:48 PM PDT · 17895 days ago · 4 km deep · 99 km away
9. 1.510km NW of Malibu, CAMon, Sep 26, 5:18 AM PDT · 17893 days ago · 9 km deep · 72 km away
10. 2.13km SW of Valencia, CATue, Sep 27, 12:25 PM PDT · 17892 days ago · 5 km deep · 98 km away
11. 2.68km S of Piru, CAWed, Sep 28, 1:39 PM PDT · 17891 days ago · 16 km deep · 78 km away
12. 2.04km WSW of Valencia, CAWed, Sep 28, 4:31 PM PDT · 17890 days ago · 5 km deep · 97 km away
13. 1.516km N of Pine Mountain Club, CAFri, Sep 30, 1:54 PM PDT · 17889 days ago · 6 km deep · 96 km away
14. 1.86km SE of Camarillo, CAFri, Sep 30, 3:17 PM PDT · 17888 days ago · 0 km deep · 59 km away
15. 1.52km NNE of Piru, CASat, Oct 1, 2:07 PM PDT · 17888 days ago · 23 km deep · 81 km away
16. 2.022km NW of Santa Cruz Is. (E end), CAThu, Oct 6, 3:33 PM PDT · 17882 days ago · 18 km deep · 9 km away
17. 1.76km SSE of Frazier Park, CATue, Oct 11, 12:14 PM PDT · 17878 days ago · 15 km deep · 88 km away
18. 2.75km N of Malibu, CAThu, Oct 13, 7:42 PM PDT · 17875 days ago · 11 km deep · 79 km away
19. 1.63km SSW of Castaic, CAFri, Oct 14, 1:56 PM PDT · 17875 days ago · 14 km deep · 95 km away
20. 1.56km ENE of Simi Valley, CASun, Oct 16, 10:32 PM PDT · 17872 days ago · 13 km deep · 88 km away
21. 1.76km SE of Carpinteria, CAMon, Oct 17, 4:11 AM PDT · 17872 days ago · 4 km deep · 21 km away
22. 1.83km WSW of Chatsworth, CAMon, Oct 17, 5:15 AM PDT · 17872 days ago · 16 km deep · 92 km away
23. 2.04km ENE of Goleta, CATue, Oct 18, 4:25 AM PDT · 17871 days ago · 13 km deep · 28 km away
24. 3.023km S of Santa Barbara, CATue, Oct 18, 12:10 PM PDT · 17871 days ago · 11 km deep · 4 km away
25. 1.53km NNW of Frazier Park, CAFri, Oct 21, 12:53 AM PDT · 17868 days ago · 13 km deep · 92 km away
26. 1.711km ENE of Pine Mountain Club, CASat, Oct 22, 4:30 AM PDT · 17867 days ago · 10 km deep · 91 km away
27. 2.411km NE of Los Alamos, CASat, Oct 22, 5:29 PM PDT · 17866 days ago · 1 km deep · 82 km away
28. 1.86km SW of Los Alamos, CAFri, Oct 28, 4:34 AM PDT · 17861 days ago · 6 km deep · 81 km away
29. 2.44km NNE of Ojai, CASat, Oct 29, 6:17 PM PDT · 17859 days ago · 4 km deep · 46 km away
30. 2.316km NNW of Pine Mountain Club, CASun, Oct 30, 3:22 AM PST · 17859 days ago · 0 km deep · 89 km away
31. 2.010km ESE of Piru, CASun, Oct 30, 8:07 AM PST · 17859 days ago · 3 km deep · 88 km away
32. 2.421km SW of San Miguel Is., CASun, Oct 30, 12:02 PM PST · 17859 days ago · 6 km deep · 91 km away
33. 1.814km NW of Pine Mountain Club, CASun, Oct 30, 1:02 PM PST · 17859 days ago · 2 km deep · 86 km away
34. 2.014km NW of Pine Mountain Club, CAThu, Nov 3, 10:17 AM PST · 17855 days ago · 0 km deep · 87 km away
35. 2.019km N of Santa Cruz Is. (E end), CAFri, Nov 4, 5:06 AM PST · 17854 days ago · 12 km deep · 13 km away
36. 1.713km N of Pine Mountain Club, CAFri, Nov 4, 10:15 AM PST · 17854 days ago · 6 km deep · 93 km away
37. 1.715km WNW of Grapevine, CAFri, Nov 4, 11:21 PM PST · 17853 days ago · 17 km deep · 96 km away
38. 1.55km SW of Grapevine, CAMon, Nov 7, 5:27 PM PST · 17850 days ago · 0 km deep · 96 km away
39. 1.87km S of Los Alamos, CAWed, Nov 9, 9:40 PM PST · 17848 days ago · 6 km deep · 77 km away
40. 1.819km N of Pine Mountain Club, CAThu, Nov 10, 7:26 PM PST · 17847 days ago · 2 km deep · 97 km away
41. 2.019km N of Pine Mountain Club, CAThu, Nov 10, 7:38 PM PST · 17847 days ago · 2 km deep · 97 km away
42. 1.910km NNE of Piru, CASun, Nov 13, 5:09 PM PST · 17844 days ago · 11 km deep · 85 km away

Before

1. 1.616km WNW of Malibu, CAWed, Sep 14, 6:22 AM PDT · 17905 days ago · 10 km deep · 64 km away
2. 1.812km N of Pine Mountain Club, CATue, Sep 13, 8:37 AM PDT · 17906 days ago · 9 km deep · 92 km away
3. 1.514km W of Malibu, CAMon, Sep 12, 1:33 AM PDT · 17907 days ago · 15 km deep · 67 km away
4. 1.58km S of Camarillo, CASat, Sep 10, 3:08 PM PDT · 17909 days ago · 16 km deep · 56 km away
5. 2.517km W of Malibu, CASat, Sep 10, 1:21 PM PDT · 17909 days ago · 13 km deep · 64 km away
6. 2.618km WNW of Malibu, CASat, Sep 10, 11:44 AM PDT · 17909 days ago · 12 km deep · 63 km away
7. 1.612km NW of Malibu, CASun, Sep 4, 5:06 PM PDT · 17914 days ago · 9 km deep · 69 km away
8. 1.611km NNW of Chatsworth, CAWed, Aug 31, 10:13 PM PDT · 17918 days ago · 22 km deep · 92 km away
9. 1.84km SSE of Malibu Beach, CAWed, Aug 31, 1:07 PM PDT · 17919 days ago · 14 km deep · 93 km away
10. 1.611km S of Carpinteria, CASun, Aug 28, 5:46 PM PDT · 17921 days ago · 6 km deep · 13 km away
11. 1.95km SW of Malibu Beach, CASun, Aug 28, 11:35 AM PDT · 17922 days ago · 11 km deep · 87 km away
12. 2.37km WSW of Castaic, CAFri, Aug 26, 11:11 AM PDT · 17924 days ago · 6 km deep · 90 km away
13. 2.57km W of Castaic, CAThu, Aug 25, 11:51 AM PDT · 17925 days ago · 11 km deep · 90 km away
14. 2.212km SSW of Carpinteria, CAThu, Aug 25, 9:48 AM PDT · 17925 days ago · 16 km deep · 10 km away
15. 2.016km S of Carpinteria, CAMon, Aug 22, 10:30 AM PDT · 17928 days ago · 6 km deep · 9 km away
16. 2.415km ENE of Ojai, CASat, Aug 20, 6:14 PM PDT · 17929 days ago · 7 km deep · 57 km away
17. 1.84km SSE of Malibu, CASat, Aug 20, 7:24 AM PDT · 17930 days ago · 12 km deep · 83 km away
18. 1.515km N of Santa Paula, CAThu, Aug 18, 4:24 PM PDT · 17931 days ago · 16 km deep · 60 km away
19. 1.916km N of Santa Paula, CAThu, Aug 18, 7:13 AM PDT · 17932 days ago · 24 km deep · 60 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3334767. Read Tue, Sep 22, 2026, 9:45 AM UTC.