California earthquakes

M1.8 earthquake 18km SSE of Carpinteria, CA

A magnitude 1.8 earthquake struck 18km SSE of Carpinteria, CA on Mon, Mar 27, 1978, 9:40 PM PST (05:40 UTC), 5 km (3 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
1.8 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-03-28 05:40:02 UTC
Depth
4.5 km (2.8 mi), shallow
Epicenter
34.239° N, 119.475° 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 0.6 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
96°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 163 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 1.920km N of Santa Cruz Is. (E end), CA · 17720 days ago · 19 km deep · 5 km away
  2. 2.419km S of Carpinteria, CA · 17720 days ago · 9 km deep · 1 km away
  3. 1.819km S of Carpinteria, CA · 17720 days ago · 4 km deep · 2 km away
  4. 2.520km N of Santa Cruz Is. (E end), CA · 17720 days ago · 12 km deep · 4 km away
  5. 1.619km SSE of Carpinteria, CA · 17720 days ago · 6 km deep · 1 km away
  6. 1.718km S of Carpinteria, CA · 17719 days ago · 16 km deep · 2 km away
  7. 2.020km S of Carpinteria, CA · 17719 days ago · 15 km deep · 3 km away
  8. 2.020km S of Carpinteria, CA · 17719 days ago · 16 km deep · 3 km away
  9. 1.519km S of Carpinteria, CA · 17719 days ago · 14 km deep · 3 km away
  10. 1.820km S of Carpinteria, CA · 17719 days ago · 14 km deep · 2 km away
  11. 1.820km S of Carpinteria, CA · 17719 days ago · 14 km deep · 3 km away
  12. 2.020km S of Carpinteria, CA · 17719 days ago · 15 km deep · 3 km away
  13. 1.519km S of Carpinteria, CA · 17719 days ago · 15 km deep · 2 km away
  14. 1.920km S of Carpinteria, CA · 17719 days ago · 6 km deep · 3 km away
  15. 2.220km N of Santa Cruz Is. (E end), CA · 17719 days ago · 14 km deep · 3 km away
  16. 1.919km SSE of Carpinteria, CA · 17719 days ago · 16 km deep · 1 km away
  17. 1.720km S of Carpinteria, CA · 17719 days ago · 16 km deep · 3 km away
  18. 1.920km S of Carpinteria, CA · 17719 days ago · 15 km deep · 4 km away
  19. 1.620km S of Carpinteria, CA · 17719 days ago · 14 km deep · 3 km away
  20. 2.320km S of Carpinteria, CA · 17719 days ago · 14 km deep · 2 km away
  21. 1.720km S of Carpinteria, CA · 17719 days ago · 4 km deep · 2 km away
  22. 1.720km S of Carpinteria, CA · 17719 days ago · 16 km deep · 3 km away
  23. 2.118km S of Carpinteria, CA · 17719 days ago · 13 km deep · 1 km away
  24. 2.320km S of Carpinteria, CA · 17719 days ago · 15 km deep · 3 km away
  25. 1.820km S of Carpinteria, CA · 17719 days ago · 4 km deep · 2 km away
  26. 1.918km S of Carpinteria, CA · 17719 days ago · 6 km deep · 1 km away
  27. 1.820km S of Carpinteria, CA · 17719 days ago · 15 km deep · 3 km away
  28. 2.420km S of Carpinteria, CA · 17718 days ago · 14 km deep · 3 km away
  29. 2.020km S of Carpinteria, CA · 17718 days ago · 14 km deep · 1 km away
  30. 1.919km S of Carpinteria, CA · 17718 days ago · 14 km deep · 3 km away
  31. 2.018km S of Carpinteria, CA · 17718 days ago · 14 km deep · 1 km away
  32. 2.119km S of Carpinteria, CA · 17718 days ago · 15 km deep · 1 km away
  33. 1.720km S of Carpinteria, CA · 17718 days ago · 18 km deep · 2 km away
  34. 2.019km S of Carpinteria, CA · 17718 days ago · 13 km deep · 2 km away
  35. 1.919km S of Carpinteria, CA · 17718 days ago · 16 km deep · 3 km away
  36. 1.919km S of Carpinteria, CA · 17718 days ago · 11 km deep · 1 km away
  37. 2.019km S of Carpinteria, CA · 17718 days ago · 17 km deep · 2 km away
  38. 2.518km S of Carpinteria, CA · 17718 days ago · 14 km deep · 3 km away
  39. 1.618km SSE of Carpinteria, CA · 17718 days ago · 14 km deep · 0 km away
  40. 1.520km S of Carpinteria, CA · 17718 days ago · 18 km deep · 2 km away
  41. 1.820km S of Carpinteria, CA · 17717 days ago · 15 km deep · 2 km away
  42. 1.919km S of Carpinteria, CA · 17717 days ago · 15 km deep · 1 km away
  43. 1.720km S of Carpinteria, CA · 17717 days ago · 13 km deep · 2 km away
  44. 1.819km SSE of Carpinteria, CA · 17717 days ago · 13 km deep · 1 km away
  45. 2.119km S of Carpinteria, CA · 17717 days ago · 15 km deep · 2 km away
  46. 1.819km S of Carpinteria, CA · 17717 days ago · 15 km deep · 1 km away
  47. 1.81km NE of Frazier Park, CA · 17717 days ago · 12 km deep · 82 km away
  48. 1.818km S of Carpinteria, CA · 17717 days ago · 14 km deep · 1 km away
  49. 2.139km N of San Nicolas Is., CA · 17717 days ago · 6 km deep · 72 km away
  50. 1.99km S of Isla Vista, CA · 17717 days ago · 6 km deep · 36 km away
  51. 2.520km S of Carpinteria, CA · 17716 days ago · 15 km deep · 3 km away
  52. 1.519km S of Carpinteria, CA · 17716 days ago · 12 km deep · 3 km away
  53. 2.219km S of Carpinteria, CA · 17716 days ago · 16 km deep · 3 km away
  54. 1.619km S of Carpinteria, CA · 17716 days ago · 14 km deep · 2 km away
  55. 1.519km S of Carpinteria, CA · 17716 days ago · 17 km deep · 2 km away
  56. 1.919km S of Carpinteria, CA · 17716 days ago · 13 km deep · 3 km away
  57. 1.819km S of Carpinteria, CA · 17716 days ago · 16 km deep · 3 km away
  58. 1.720km SSE of Carpinteria, CA · 17716 days ago · 17 km deep · 1 km away
  59. 1.819km S of Carpinteria, CA · 17716 days ago · 14 km deep · 2 km away
  60. 2.319km S of Carpinteria, CA · 17716 days ago · 16 km deep · 2 km away

The first 60 of 163.

Before

  1. 1.86km S of Camarillo, CA · 17721 days ago · 14 km deep · 42 km away
  2. 2.320km S of Carpinteria, CA · 17721 days ago · 14 km deep · 3 km away
  3. 1.511km WSW of Grapevine, CA · 17721 days ago · 16 km deep · 84 km away
  4. 2.119km S of Carpinteria, CA · 17721 days ago · 12 km deep · 2 km away
  5. 2.420km N of Santa Cruz Is. (E end), CA · 17721 days ago · 15 km deep · 3 km away
  6. 1.819km S of Carpinteria, CA · 17721 days ago · 14 km deep · 2 km away
  7. 1.919km S of Carpinteria, CA · 17722 days ago · 14 km deep · 1 km away
  8. 1.729km ENE of Santa Ynez, CA · 17722 days ago · 11 km deep · 61 km away
  9. 2.510km WSW of Santa Barbara Is., CA · 17723 days ago · 10 km deep · 94 km away
  10. 1.54km N of Santa Clarita, CA · 17725 days ago · 19 km deep · 92 km away
  11. 2.36km S of Santa Barbara, CA · 17725 days ago · 3 km deep · 25 km away
  12. 2.27km E of Santa Clarita, CA · 17725 days ago · 8 km deep · 98 km away
  13. 2.112km ESE of Piru, CA · 17726 days ago · 14 km deep · 76 km away
  14. 1.812km ESE of Piru, CA · 17726 days ago · 13 km deep · 75 km away
  15. 1.616km ESE of Santa Cruz Is. (E end), CA · 17727 days ago · 5 km deep · 33 km away
  16. 1.716km N of Pine Mountain Club, CA · 17728 days ago · 14 km deep · 88 km away
  17. 1.718km S of Carpinteria, CA · 17729 days ago · 14 km deep · 3 km away
  18. 2.93km SE of Frazier Park, CA · 17730 days ago · 4 km deep · 81 km away
  19. 1.86km SE of Camarillo, CA · 17731 days ago · 1 km deep · 44 km away
  20. 1.717km W of Malibu, CA · 17732 days ago · 14 km deep · 51 km away

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From the USGS Earthquake Hazards Program and its partner networks, event ci3338388. Read Fri, Oct 2, 2026, 11:04 PM UTC.