California earthquakes

M2.5 earthquake 19km S of Carpinteria, CA

A magnitude 2.5 earthquake struck 19km S of Carpinteria, CA on Sat, Apr 15, 1978, 10:39 PM PST (06:39 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.9 28km S of Port Hueneme, CA. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-04-16 06:39:16 UTC
Depth
15.2 km (9.4 mi), shallow
Epicenter
34.229° N, 119.489° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.8 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.29
Depth from
From location
Station coverage gap
59°
Stations used
26

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 64 in the 60 days after this one and 131 in the 30 days before it.

After

  1. 1.818km NNW of Fillmore, CA · 17699 days ago · 21 km deep · 59 km away
  2. 1.720km S of Carpinteria, CA · 17698 days ago · 14 km deep · 1 km away
  3. 1.818km S of Carpinteria, CA · 17698 days ago · 14 km deep · 1 km away
  4. 2.019km S of Carpinteria, CA · 17698 days ago · 14 km deep · 1 km away
  5. 1.719km S of Carpinteria, CA · 17698 days ago · 17 km deep · 0 km away
  6. 1.83km SSE of Malibu Beach, CA · 17696 days ago · 0 km deep · 78 km away
  7. 1.66km NNE of Grapevine, CA · 17695 days ago · 18 km deep · 100 km away
  8. 3.115km WNW of Malibu, CA · 17695 days ago · 14 km deep · 52 km away
  9. 1.716km WNW of Malibu, CA · 17694 days ago · 7 km deep · 51 km away
  10. 2.025km SE of Santa Cruz Is. (E end), CA · 17691 days ago · 0 km deep · 43 km away
  11. 2.022km S of Santa Barbara, CA · 17690 days ago · 6 km deep · 22 km away
  12. 2.38km NE of Santa Clarita, CA · 17689 days ago · 13 km deep · 100 km away
  13. 2.08km SSE of Malibu, CA · 17688 days ago · 12 km deep · 72 km away
  14. 1.67km ENE of Santa Clarita, CA · 17687 days ago · 14 km deep · 99 km away
  15. 2.520km SSW of Port Hueneme, CA · 17686 days ago · 0 km deep · 34 km away
  16. 2.313km WNW of Malibu, CA · 17686 days ago · 8 km deep · 54 km away
  17. 3.512km SW of Isla Vista, CA · 17686 days ago · 1 km deep · 42 km away
  18. 2.510km SE of Malibu, CA · 17685 days ago · 9 km deep · 76 km away
  19. 1.518km SSE of Carpinteria, CA · 17685 days ago · 6 km deep · 3 km away
  20. 1.518km N of Santa Cruz Is. (E end), CA · 17684 days ago · 6 km deep · 4 km away
  21. 2.310km WSW of Isla Vista, CA · 17684 days ago · 7 km deep · 46 km away
  22. 2.119km SSW of Port Hueneme, CA · 17684 days ago · 2 km deep · 34 km away
  23. 2.019km SSW of Port Hueneme, CA · 17684 days ago · 0 km deep · 34 km away
  24. 1.619km SSE of Carpinteria, CA · 17683 days ago · 16 km deep · 2 km away
  25. 1.717km WNW of Malibu, CA · 17683 days ago · 17 km deep · 51 km away
  26. 2.223km SW of Maricopa, CA · 17682 days ago · 15 km deep · 76 km away
  27. 2.117km SW of Thousand Oaks, CA · 17681 days ago · 12 km deep · 50 km away
  28. 2.029km NE of San Miguel Is., CA · 17677 days ago · 4 km deep · 64 km away
  29. 1.827km NW of Santa Cruz Is. (NW end), CA · 17677 days ago · 5 km deep · 60 km away
  30. 1.624km NNW of Santa Cruz Is. (NW end), CA · 17677 days ago · 0 km deep · 53 km away
  31. 1.88km NW of Fillmore, CA · 17676 days ago · 0 km deep · 52 km away
  32. 2.73km N of Marina del Rey, CA · 17675 days ago · 5 km deep · 99 km away
  33. 1.716km SSW of Carpinteria, CA · 17675 days ago · 15 km deep · 12 km away
  34. 2.12km NNW of Simi Valley, CA · 17671 days ago · 11 km deep · 68 km away
  35. 2.28km NNW of Malibu, CA · 17667 days ago · 6 km deep · 62 km away
  36. 3.928km S of Port Hueneme, CA · 17664 days ago · 13 km deep · 48 km away
  37. 1.827km S of Port Hueneme, CA · 17664 days ago · 2 km deep · 46 km away
  38. 2.826km S of Port Hueneme, CA · 17664 days ago · 1 km deep · 46 km away
  39. 2.325km S of Port Hueneme, CA · 17664 days ago · 6 km deep · 46 km away
  40. 2.527km S of Port Hueneme, CA · 17664 days ago · 0 km deep · 47 km away
  41. 2.229km S of Port Hueneme, CA · 17664 days ago · 0 km deep · 48 km away
  42. 2.627km S of Port Hueneme, CA · 17664 days ago · 1 km deep · 47 km away
  43. 1.627km S of Port Hueneme, CA · 17664 days ago · 6 km deep · 45 km away
  44. 1.828km SSE of Port Hueneme, CA · 17664 days ago · 0 km deep · 49 km away
  45. 2.030km S of Port Hueneme, CA · 17664 days ago · 0 km deep · 49 km away
  46. 1.831km S of Port Hueneme, CA · 17663 days ago · 0 km deep · 50 km away
  47. 3.127km S of Port Hueneme, CA · 17663 days ago · 10 km deep · 47 km away
  48. 1.832km S of Port Hueneme, CA · 17663 days ago · 6 km deep · 51 km away
  49. 1.710km WNW of Neenach, CA · 17663 days ago · 6 km deep · 97 km away
  50. 2.426km S of Port Hueneme, CA · 17662 days ago · 1 km deep · 47 km away
  51. 2.627km S of Port Hueneme, CA · 17662 days ago · 0 km deep · 47 km away
  52. 2.29km NNE of Simi Valley, CA · 17659 days ago · 15 km deep · 74 km away
  53. 1.917km SSE of Carpinteria, CA · 17655 days ago · 0 km deep · 4 km away
  54. 2.136km NNW of Santa Barbara Is., CA · 17654 days ago · 0 km deep · 58 km away
  55. 1.714km W of Malibu, CA · 17654 days ago · 17 km deep · 55 km away
  56. 1.820km S of Carpinteria, CA · 17654 days ago · 13 km deep · 1 km away
  57. 1.88km SE of Santa Clarita, CA · 17649 days ago · 13 km deep · 96 km away
  58. 1.923km S of Port Hueneme, CA · 17649 days ago · 6 km deep · 41 km away
  59. 2.217km NW of Santa Barbara Is., CA · 17648 days ago · 6 km deep · 78 km away
  60. 2.612km W of Grapevine, CA · 17646 days ago · 7 km deep · 87 km away

The first 60 of 64.

Before

  1. 2.018km N of Santa Cruz Is. (E end), CA · 17701 days ago · 14 km deep · 4 km away
  2. 2.117km N of Santa Cruz Is. (E end), CA · 17701 days ago · 2 km deep · 6 km away
  3. 2.419km N of Santa Cruz Is. (E end), CA · 17701 days ago · 14 km deep · 3 km away
  4. 2.518km S of Carpinteria, CA · 17701 days ago · 16 km deep · 1 km away
  5. 3.111km NE of Simi Valley, CA · 17702 days ago · 15 km deep · 76 km away
  6. 1.93km SSW of Chatsworth, CA · 17702 days ago · 4 km deep · 80 km away
  7. 1.717km N of Santa Cruz Is. (E end), CA · 17702 days ago · 10 km deep · 7 km away
  8. 2.019km S of Carpinteria, CA · 17703 days ago · 17 km deep · 1 km away
  9. 2.219km S of Carpinteria, CA · 17704 days ago · 10 km deep · 1 km away
  10. 2.320km N of Santa Cruz Is. (E end), CA · 17704 days ago · 15 km deep · 2 km away
  11. 2.420km N of Santa Cruz Is. (E end), CA · 17704 days ago · 10 km deep · 2 km away
  12. 1.616km N of Santa Cruz Is. (E end), CA · 17704 days ago · 0 km deep · 6 km away
  13. 1.819km S of Carpinteria, CA · 17704 days ago · 11 km deep · 0 km away
  14. 1.620km S of Carpinteria, CA · 17704 days ago · 13 km deep · 1 km away
  15. 2.020km S of Carpinteria, CA · 17704 days ago · 9 km deep · 1 km away
  16. 2.419km S of Carpinteria, CA · 17704 days ago · 12 km deep · 1 km away
  17. 1.718km S of Carpinteria, CA · 17704 days ago · 11 km deep · 1 km away
  18. 1.816km SSW of Neenach, CA · 17705 days ago · 12 km deep · 90 km away
  19. 1.712km ESE of Piru, CA · 17705 days ago · 19 km deep · 77 km away
  20. 1.716km N of Castaic, CA · 17705 days ago · 14 km deep · 89 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ci3338903. Read Fri, Oct 2, 2026, 3:35 AM UTC.