M1.8 earthquake 19km S of Carpinteria, CA

Magnitude

1.8 (Mh), micro

Magnitude from

Southern California Seismic Network

Local time

Wed, Apr 12, 1978, 9:10 PM PST

UTC

1978-04-13 05:10:42 UTC

Depth

10.8 km (6.7 mi), shallow

Epicenter

34.230° N, 119.486° W

Region

California

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 0.8 km horizontally, 1.7 km in depth

Magnitude uncertainty

±0.15

Depth from

From location

Station coverage gap

99°

Stations used

17

• Ventura, CaliforniaPopulation 96,769. Forecast19 kmWSW
• Oxnard, CaliforniaPopulation 207,254. Forecast29 kmW
• Los Angeles, CaliforniaPopulation 3,820,914. Forecast116 kmW

After

1. 1.616km N of Santa Cruz Is. (E end), CAWed, Apr 12, 9:25 PM PST · 17703 days ago · 0 km deep · 7 km away
2. 2.420km N of Santa Cruz Is. (E end), CAWed, Apr 12, 11:35 PM PST · 17703 days ago · 10 km deep · 2 km away
3. 2.320km N of Santa Cruz Is. (E end), CAThu, Apr 13, 1:05 AM PST · 17703 days ago · 15 km deep · 2 km away
4. 2.219km S of Carpinteria, CAThu, Apr 13, 1:24 AM PST · 17703 days ago · 10 km deep · 0 km away
5. 2.019km S of Carpinteria, CAThu, Apr 13, 10:36 AM PST · 17703 days ago · 17 km deep · 1 km away
6. 1.717km N of Santa Cruz Is. (E end), CAFri, Apr 14, 5:52 PM PST · 17701 days ago · 10 km deep · 7 km away
7. 1.93km SSW of Chatsworth, CAFri, Apr 14, 10:05 PM PST · 17701 days ago · 4 km deep · 80 km away
8. 3.111km NE of Simi Valley, CASat, Apr 15, 4:38 AM PST · 17701 days ago · 15 km deep · 76 km away
9. 2.518km S of Carpinteria, CASat, Apr 15, 8:54 AM PST · 17701 days ago · 16 km deep · 1 km away
10. 2.419km N of Santa Cruz Is. (E end), CASat, Apr 15, 9:09 AM PST · 17701 days ago · 14 km deep · 3 km away
11. 2.117km N of Santa Cruz Is. (E end), CASat, Apr 15, 9:14 AM PST · 17701 days ago · 2 km deep · 6 km away
12. 2.018km N of Santa Cruz Is. (E end), CASat, Apr 15, 5:55 PM PST · 17700 days ago · 14 km deep · 5 km away
13. 2.519km S of Carpinteria, CASat, Apr 15, 10:39 PM PST · 17700 days ago · 15 km deep · 0 km away
14. 1.818km NNW of Fillmore, CAMon, Apr 17, 4:50 PM PST · 17698 days ago · 21 km deep · 58 km away
15. 1.720km S of Carpinteria, CATue, Apr 18, 9:41 AM PST · 17698 days ago · 14 km deep · 1 km away
16. 1.818km S of Carpinteria, CATue, Apr 18, 10:33 PM PST · 17697 days ago · 14 km deep · 1 km away
17. 2.019km S of Carpinteria, CATue, Apr 18, 10:53 PM PST · 17697 days ago · 14 km deep · 0 km away
18. 1.719km S of Carpinteria, CAWed, Apr 19, 1:06 AM PST · 17697 days ago · 17 km deep · 0 km away
19. 1.83km SSE of Malibu Beach, CAThu, Apr 20, 1:10 PM PST · 17695 days ago · 0 km deep · 78 km away
20. 1.66km NNE of Grapevine, CAFri, Apr 21, 5:17 PM PST · 17694 days ago · 18 km deep · 100 km away
21. 3.115km WNW of Malibu, CASat, Apr 22, 5:04 AM PST · 17694 days ago · 14 km deep · 52 km away
22. 1.716km WNW of Malibu, CASat, Apr 22, 9:10 AM PST · 17694 days ago · 7 km deep · 51 km away
23. 2.025km SE of Santa Cruz Is. (E end), CAWed, Apr 26, 12:44 AM PST · 17690 days ago · 0 km deep · 43 km away
24. 2.022km S of Santa Barbara, CAWed, Apr 26, 12:20 PM PST · 17689 days ago · 6 km deep · 22 km away
25. 2.38km NE of Santa Clarita, CAThu, Apr 27, 12:54 PM PST · 17688 days ago · 13 km deep · 99 km away
26. 2.08km SSE of Malibu, CASat, Apr 29, 7:59 AM PST · 17687 days ago · 12 km deep · 72 km away
27. 1.67km ENE of Santa Clarita, CASat, Apr 29, 8:10 AM PST · 17687 days ago · 14 km deep · 99 km away
28. 2.520km SSW of Port Hueneme, CASun, Apr 30, 10:57 PM PDT · 17685 days ago · 0 km deep · 34 km away
29. 2.313km WNW of Malibu, CASun, Apr 30, 11:53 PM PDT · 17685 days ago · 8 km deep · 54 km away
30. 3.512km SW of Isla Vista, CAMon, May 1, 1:02 AM PDT · 17685 days ago · 1 km deep · 43 km away
31. 2.510km SE of Malibu, CAMon, May 1, 11:24 AM PDT · 17685 days ago · 9 km deep · 75 km away
32. 1.518km SSE of Carpinteria, CATue, May 2, 8:17 AM PDT · 17684 days ago · 6 km deep · 2 km away
33. 1.518km N of Santa Cruz Is. (E end), CATue, May 2, 9:19 AM PDT · 17684 days ago · 6 km deep · 4 km away
34. 2.310km WSW of Isla Vista, CATue, May 2, 9:59 AM PDT · 17684 days ago · 7 km deep · 46 km away
35. 2.119km SSW of Port Hueneme, CATue, May 2, 10:36 PM PDT · 17683 days ago · 2 km deep · 33 km away
36. 2.019km SSW of Port Hueneme, CATue, May 2, 10:49 PM PDT · 17683 days ago · 0 km deep · 34 km away
37. 1.619km SSE of Carpinteria, CAThu, May 4, 3:23 AM PDT · 17682 days ago · 16 km deep · 2 km away
38. 1.717km WNW of Malibu, CAThu, May 4, 3:36 AM PDT · 17682 days ago · 17 km deep · 51 km away
39. 2.223km SW of Maricopa, CAThu, May 4, 3:31 PM PDT · 17681 days ago · 15 km deep · 76 km away
40. 2.117km SW of Thousand Oaks, CAFri, May 5, 12:40 PM PDT · 17680 days ago · 12 km deep · 49 km away
41. 2.029km NE of San Miguel Is., CATue, May 9, 10:16 PM PDT · 17676 days ago · 4 km deep · 64 km away
42. 1.827km NW of Santa Cruz Is. (NW end), CATue, May 9, 10:32 PM PDT · 17676 days ago · 5 km deep · 60 km away
43. 1.624km NNW of Santa Cruz Is. (NW end), CATue, May 9, 10:48 PM PDT · 17676 days ago · 0 km deep · 53 km away
44. 1.88km NW of Fillmore, CAWed, May 10, 12:36 PM PDT · 17675 days ago · 0 km deep · 51 km away
45. 2.73km N of Marina del Rey, CAThu, May 11, 10:57 AM PDT · 17675 days ago · 5 km deep · 98 km away
46. 1.716km SSW of Carpinteria, CAFri, May 12, 2:35 AM PDT · 17674 days ago · 15 km deep · 13 km away
47. 2.12km NNW of Simi Valley, CATue, May 16, 1:33 AM PDT · 17670 days ago · 11 km deep · 68 km away
48. 2.28km NNW of Malibu, CASat, May 20, 5:36 AM PDT · 17666 days ago · 6 km deep · 62 km away
49. 3.928km S of Port Hueneme, CATue, May 23, 2:16 AM PDT · 17663 days ago · 13 km deep · 48 km away
50. 1.827km S of Port Hueneme, CATue, May 23, 2:27 AM PDT · 17663 days ago · 2 km deep · 46 km away
51. 2.826km S of Port Hueneme, CATue, May 23, 2:27 AM PDT · 17663 days ago · 1 km deep · 46 km away
52. 2.325km S of Port Hueneme, CATue, May 23, 2:30 AM PDT · 17663 days ago · 6 km deep · 46 km away
53. 2.527km S of Port Hueneme, CATue, May 23, 2:44 AM PDT · 17663 days ago · 0 km deep · 46 km away
54. 2.229km S of Port Hueneme, CATue, May 23, 2:48 AM PDT · 17663 days ago · 0 km deep · 48 km away
55. 2.627km S of Port Hueneme, CATue, May 23, 4:48 AM PDT · 17663 days ago · 1 km deep · 47 km away
56. 1.627km S of Port Hueneme, CATue, May 23, 5:01 AM PDT · 17663 days ago · 6 km deep · 45 km away
57. 1.828km SSE of Port Hueneme, CATue, May 23, 7:59 AM PDT · 17663 days ago · 0 km deep · 49 km away
58. 2.030km S of Port Hueneme, CATue, May 23, 8:21 AM PDT · 17663 days ago · 0 km deep · 49 km away
59. 1.831km S of Port Hueneme, CATue, May 23, 1:03 PM PDT · 17662 days ago · 0 km deep · 50 km away
60. 3.127km S of Port Hueneme, CATue, May 23, 1:14 PM PDT · 17662 days ago · 10 km deep · 47 km away

The first 60 of 76.

Before

1. 1.620km S of Carpinteria, CAWed, Apr 12, 9:01 PM PST · 17703 days ago · 13 km deep · 1 km away
2. 2.020km S of Carpinteria, CAWed, Apr 12, 7:37 PM PST · 17703 days ago · 9 km deep · 1 km away
3. 2.419km S of Carpinteria, CAWed, Apr 12, 7:12 PM PST · 17703 days ago · 12 km deep · 0 km away
4. 1.718km S of Carpinteria, CAWed, Apr 12, 4:17 PM PST · 17703 days ago · 11 km deep · 1 km away
5. 1.816km SSW of Neenach, CAWed, Apr 12, 5:54 AM PST · 17704 days ago · 12 km deep · 89 km away
6. 1.712km ESE of Piru, CAWed, Apr 12, 4:31 AM PST · 17704 days ago · 19 km deep · 77 km away
7. 1.716km N of Castaic, CATue, Apr 11, 5:33 PM PST · 17704 days ago · 14 km deep · 89 km away
8. 2.319km S of Carpinteria, CATue, Apr 11, 3:46 PM PST · 17704 days ago · 13 km deep · 0 km away
9. 1.915km N of Castaic, CATue, Apr 11, 1:52 PM PST · 17704 days ago · 14 km deep · 89 km away
10. 2.310km SSW of Lompoc, CAMon, Apr 10, 10:11 PM PST · 17705 days ago · 14 km deep · 99 km away
11. 1.819km S of Carpinteria, CAMon, Apr 10, 7:08 AM PST · 17706 days ago · 15 km deep · 1 km away
12. 1.920km S of Carpinteria, CAMon, Apr 10, 7:07 AM PST · 17706 days ago · 16 km deep · 2 km away
13. 2.318km S of Carpinteria, CAMon, Apr 10, 6:47 AM PST · 17706 days ago · 14 km deep · 1 km away
14. 2.319km S of Carpinteria, CAMon, Apr 10, 6:47 AM PST · 17706 days ago · 16 km deep · 1 km away
15. 1.720km N of Santa Cruz Is. (E end), CAMon, Apr 10, 6:32 AM PST · 17706 days ago · 15 km deep · 3 km away
16. 1.819km S of Carpinteria, CAMon, Apr 10, 6:30 AM PST · 17706 days ago · 15 km deep · 0 km away
17. 2.17km SE of Santa Paula, CASat, Apr 8, 6:16 AM PST · 17708 days ago · 5 km deep · 44 km away
18. 1.620km S of Carpinteria, CAFri, Apr 7, 2:53 PM PST · 17708 days ago · 14 km deep · 1 km away
19. 1.918km S of Carpinteria, CAFri, Apr 7, 5:45 AM PST · 17709 days ago · 14 km deep · 1 km away
20. 1.616km N of Santa Cruz Is. (E end), CAFri, Apr 7, 12:51 AM PST · 17709 days ago · 3 km deep · 8 km away

From the USGS Earthquake Hazards Program and its partner networks, event ci3338792. Read Thu, Oct 1, 2026, 6:13 AM UTC.