California earthquakes

M1.5 earthquake 28 km ENE of Soledad, California

A magnitude 1.5 earthquake struck 28 km ENE of Soledad, California on Mon, Dec 11, 1978, 11:01 AM PST (19:01 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.8 10 km ESE of Coalinga, California. This one was a foreshock.

Soledad forecastMore in California

Map

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

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1978-12-11 19:01:20 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
36.552° N, 121.044° 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 0.3 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
73°
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: 122 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 1.721 km SSE of Tres Pinos, California · 17460 days ago · 2 km deep · 17 km away
  2. 1.623 km NW of Parkfield, California · 17459 days ago · 2 km deep · 68 km away
  3. 2.122 km NE of Soledad, California · 17459 days ago · 4 km deep · 13 km away
  4. 2.024 km NE of Greenfield, California · 17458 days ago · 7 km deep · 8 km away
  5. 3.123 km NE of San Ardo, California · 17458 days ago · 7 km deep · 48 km away
  6. 2.322 km NE of San Ardo, California · 17458 days ago · 5 km deep · 48 km away
  7. 2.621 km NE of Soledad, California · 17456 days ago · 4 km deep · 12 km away
  8. 1.616 km SSE of Tres Pinos, California · 17456 days ago · 8 km deep · 22 km away
  9. 1.721 km NE of Soledad, California · 17456 days ago · 7 km deep · 10 km away
  10. 1.921 km NE of Soledad, California · 17456 days ago · 5 km deep · 8 km away
  11. 1.521 km NE of Soledad, California · 17456 days ago · 6 km deep · 8 km away
  12. 2.010 km S of Tres Pinos, California · 17454 days ago · 5 km deep · 31 km away
  13. 2.221 km NE of Soledad, California · 17454 days ago · 4 km deep · 12 km away
  14. 3.322 km NE of San Ardo, California · 17453 days ago · 8 km deep · 53 km away
  15. 1.918 km NW of San Simeon, California · 17453 days ago · 11 km deep · 92 km away
  16. 1.66 km NW of Morgan Hill, California · 17450 days ago · 6 km deep · 90 km away
  17. 1.816 km E of Tres Pinos, California · 17449 days ago · 5 km deep · 30 km away
  18. 1.724 km ENE of Soledad, California · 17449 days ago · 4 km deep · 7 km away
  19. 2.021 km NE of Soledad, California · 17448 days ago · 4 km deep · 11 km away
  20. 2.422 km NNE of Soledad, California · 17447 days ago · 9 km deep · 17 km away
  21. 1.66 km NE of Interlaken, California · 17447 days ago · 11 km deep · 74 km away
  22. 1.71 km NE of Tres Pinos, California · 17447 days ago · 8 km deep · 36 km away
  23. 1.816 km SSE of Tres Pinos, California · 17447 days ago · 5 km deep · 22 km away
  24. 1.615 km NW of Parkfield, California · 17447 days ago · 5 km deep · 75 km away
  25. 1.721 km NE of Soledad, California · 17446 days ago · 8 km deep · 8 km away
  26. 1.68 km N of Interlaken, California · 17446 days ago · 11 km deep · 80 km away
  27. 2.08 km N of Interlaken, California · 17446 days ago · 11 km deep · 80 km away
  28. 3.025 km ENE of San Ardo, California · 17445 days ago · 4 km deep · 64 km away
  29. 2.82 km SSW of Hollister, California · 17444 days ago · 9 km deep · 45 km away
  30. 1.621 km NE of San Ardo, California · 17443 days ago · 3 km deep · 48 km away
  31. 2.114 km E of Seven Trees, California · 17443 days ago · 3 km deep · 99 km away
  32. 2.123 km NE of San Ardo, California · 17442 days ago · 7 km deep · 47 km away
  33. 1.85 km NNE of Morgan Hill, California · 17441 days ago · 7 km deep · 88 km away
  34. 1.823 km NW of Parkfield, California · 17439 days ago · 1 km deep · 68 km away
  35. 2.58 km E of Huron, California · 17439 days ago · 21 km deep · 100 km away
  36. 3.310 km SSE of Tres Pinos, California · 17438 days ago · 5 km deep · 28 km away
  37. 3.46km WNW of Castroville, CA · 17438 days ago · 6 km deep · 74 km away
  38. 2.59 km SSE of Tres Pinos, California · 17438 days ago · 5 km deep · 28 km away
  39. 1.919 km WSW of Diablo Grande, California · 17438 days ago · 8 km deep · 93 km away
  40. 2.024 km ENE of Soledad, California · 17438 days ago · 3 km deep · 6 km away
  41. 2.021 km NE of Soledad, California · 17438 days ago · 2 km deep · 12 km away
  42. 2.227 km NW of San Simeon, California · 17437 days ago · 11 km deep · 89 km away
  43. 1.534 km ENE of Soledad, California · 17437 days ago · 6 km deep · 6 km away
  44. 1.83 km S of San Ardo, California · 17437 days ago · 9 km deep · 64 km away
  45. 2.815 km NW of Parkfield, California · 17437 days ago · 5 km deep · 75 km away
  46. 1.921 km NE of Soledad, California · 17436 days ago · 4 km deep · 13 km away
  47. 2.122 km NE of Soledad, California · 17436 days ago · 2 km deep · 7 km away
  48. 2.48 km NE of Gilroy, California · 17435 days ago · 7 km deep · 68 km away
  49. 3.810 km ESE of Coalinga, California · 17434 days ago · 10 km deep · 87 km away
  50. 2.310 km ESE of Coalinga, California · 17434 days ago · 9 km deep · 87 km away
  51. 2.311 km ESE of Coalinga, California · 17433 days ago · 9 km deep · 88 km away
  52. 2.210 km ESE of Coalinga, California · 17433 days ago · 10 km deep · 87 km away
  53. 2.48 km NE of Interlaken, California · 17433 days ago · 4 km deep · 74 km away
  54. 2.810 km ESE of Coalinga, California · 17433 days ago · 10 km deep · 86 km away
  55. 2.110 km ESE of Coalinga, California · 17433 days ago · 9 km deep · 87 km away
  56. 1.59 km SE of Coalinga, California · 17433 days ago · 8 km deep · 86 km away
  57. 2.11 km N of Tres Pinos, California · 17432 days ago · 9 km deep · 38 km away
  58. 1.713 km S of Tres Pinos, California · 17432 days ago · 4 km deep · 26 km away
  59. 2.89 km ESE of Coalinga, California · 17432 days ago · 10 km deep · 86 km away
  60. 2.510 km ESE of Coalinga, California · 17432 days ago · 10 km deep · 86 km away

The first 60 of 122.

Before

  1. 1.53 km NNW of Hollister, California · 17461 days ago · 6 km deep · 50 km away
  2. 2.4Central California · 17461 days ago · 7 km deep · 24 km away
  3. 2.39 km NNW of Hollister, California · 17462 days ago · 6 km deep · 56 km away
  4. 1.69 km NNW of Hollister, California · 17462 days ago · 7 km deep · 56 km away
  5. 1.87 km NNW of Hollister, California · 17463 days ago · 2 km deep · 53 km away
  6. 1.923 km NE of King City, California · 17463 days ago · 6 km deep · 22 km away
  7. 1.77 km ENE of Interlaken, California · 17463 days ago · 2 km deep · 72 km away
  8. 3.129 km ENE of Soledad, California · 17463 days ago · 9 km deep · 0 km away
  9. 1.621 km NE of Soledad, California · 17464 days ago · 7 km deep · 10 km away
  10. 2.86 km WSW of Biola, California · 17464 days ago · 12 km deep · 89 km away
  11. 2.419 km WSW of Diablo Grande, California · 17464 days ago · 7 km deep · 93 km away
  12. 1.75 km S of Tres Pinos, California · 17464 days ago · 8 km deep · 33 km away
  13. 1.727 km ENE of Soledad, California · 17465 days ago · 10 km deep · 2 km away
  14. 1.67 km ENE of Gilroy, California · 17465 days ago · 5 km deep · 65 km away
  15. 2.622 km ENE of Soledad, California · 17467 days ago · 3 km deep · 7 km away
  16. 1.620 km NW of Parkfield, California · 17467 days ago · 3 km deep · 71 km away
  17. 1.622 km ENE of Soledad, California · 17467 days ago · 2 km deep · 7 km away
  18. 2.421 km NE of Soledad, California · 17467 days ago · 8 km deep · 9 km away
  19. 2.59 km S of Tres Pinos, California · 17468 days ago · 4 km deep · 31 km away
  20. 2.111 km WSW of Carmel Valley Village, California · 17468 days ago · 0 km deep · 75 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043710. Read Wed, Sep 30, 2026, 11:55 PM UTC.