California earthquakes

M2.4 earthquake 22 km NNE of Soledad, California

A magnitude 2.4 earthquake struck 22 km NNE of Soledad, California on Sun, Dec 24, 1978, 5:30 AM PST (13:30 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.0 25 km ENE of San Ardo, 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
2.4 (md), micro
Local time
UTC
1978-12-24 13:30:12 UTC
Depth
9.1 km (5.6 mi), shallow
Epicenter
36.605° N, 121.217° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
51°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 165 in the 60 days after this one and 24 in the 30 days before it.

After

  1. 1.66 km NE of Interlaken, California · 17439 days ago · 11 km deep · 59 km away
  2. 1.71 km NE of Tres Pinos, California · 17439 days ago · 8 km deep · 23 km away
  3. 1.816 km SSE of Tres Pinos, California · 17439 days ago · 5 km deep · 6 km away
  4. 1.615 km NW of Parkfield, California · 17439 days ago · 5 km deep · 89 km away
  5. 1.721 km NE of Soledad, California · 17438 days ago · 8 km deep · 10 km away
  6. 1.68 km N of Interlaken, California · 17438 days ago · 11 km deep · 65 km away
  7. 2.08 km N of Interlaken, California · 17438 days ago · 11 km deep · 65 km away
  8. 2.36 km E of East Foothills, California · 17437 days ago · 6 km deep · 99 km away
  9. 3.025 km ENE of San Ardo, California · 17436 days ago · 4 km deep · 78 km away
  10. 2.82 km SSW of Hollister, California · 17436 days ago · 9 km deep · 31 km away
  11. 1.621 km NE of San Ardo, California · 17435 days ago · 3 km deep · 62 km away
  12. 2.114 km E of Seven Trees, California · 17435 days ago · 3 km deep · 86 km away
  13. 2.123 km NE of San Ardo, California · 17434 days ago · 7 km deep · 61 km away
  14. 1.85 km NNE of Morgan Hill, California · 17433 days ago · 7 km deep · 74 km away
  15. 1.823 km NW of Parkfield, California · 17431 days ago · 1 km deep · 82 km away
  16. 1.56 km E of East Foothills, California · 17431 days ago · 7 km deep · 99 km away
  17. 3.310 km SSE of Tres Pinos, California · 17430 days ago · 5 km deep · 13 km away
  18. 3.46km WNW of Castroville, CA · 17430 days ago · 6 km deep · 58 km away
  19. 2.59 km SSE of Tres Pinos, California · 17430 days ago · 5 km deep · 13 km away
  20. 1.919 km WSW of Diablo Grande, California · 17430 days ago · 8 km deep · 82 km away
  21. 2.024 km ENE of Soledad, California · 17429 days ago · 3 km deep · 18 km away
  22. 2.021 km NE of Soledad, California · 17429 days ago · 2 km deep · 5 km away
  23. 2.227 km NW of San Simeon, California · 17429 days ago · 11 km deep · 90 km away
  24. 1.72 km W of Cambrian Park, California · 17429 days ago · 8 km deep · 98 km away
  25. 1.534 km ENE of Soledad, California · 17429 days ago · 6 km deep · 19 km away
  26. 1.83 km S of San Ardo, California · 17428 days ago · 9 km deep · 74 km away
  27. 2.815 km NW of Parkfield, California · 17428 days ago · 5 km deep · 89 km away
  28. 1.921 km NE of Soledad, California · 17428 days ago · 4 km deep · 4 km away
  29. 2.122 km NE of Soledad, California · 17428 days ago · 2 km deep · 11 km away
  30. 2.48 km NE of Gilroy, California · 17427 days ago · 7 km deep · 55 km away
  31. 2.48 km NE of Interlaken, California · 17425 days ago · 4 km deep · 59 km away
  32. 2.11 km N of Tres Pinos, California · 17424 days ago · 9 km deep · 24 km away
  33. 1.713 km S of Tres Pinos, California · 17424 days ago · 4 km deep · 10 km away
  34. 1.614 km E of Seven Trees, California · 17423 days ago · 6 km deep · 88 km away
  35. 2.210 km ESE of Gilroy, California · 17423 days ago · 5 km deep · 47 km away
  36. 2.29 km ESE of Gilroy, California · 17423 days ago · 5 km deep · 47 km away
  37. 1.518 km NW of Parkfield, California · 17423 days ago · 4 km deep · 87 km away
  38. 1.62 km SW of Ridgemark, California · 17422 days ago · 7 km deep · 26 km away
  39. 2.38 km NE of Interlaken, California · 17422 days ago · 5 km deep · 59 km away
  40. 1.88 km NE of Interlaken, California · 17422 days ago · 4 km deep · 59 km away
  41. 1.813 km S of Tres Pinos, California · 17422 days ago · 4 km deep · 10 km away
  42. 1.913 km S of Tres Pinos, California · 17421 days ago · 4 km deep · 10 km away
  43. 2.58 km NNE of Interlaken, California · 17421 days ago · 10 km deep · 64 km away
  44. 2.18 km N of Interlaken, California · 17421 days ago · 10 km deep · 65 km away
  45. 3.18 km N of Interlaken, California · 17421 days ago · 10 km deep · 65 km away
  46. 2.38 km N of Interlaken, California · 17421 days ago · 9 km deep · 64 km away
  47. 3.65 km E of East Foothills, California · 17421 days ago · 0 km deep · 98 km away
  48. 2.95 km E of East Foothills, California · 17421 days ago · 0 km deep · 98 km away
  49. 2.115 km SW of Santa Cruz, California · 17421 days ago · 8 km deep · 87 km away
  50. 1.95 km E of East Foothills, California · 17421 days ago · 0 km deep · 98 km away
  51. 1.78 km NW of Hollister, California · 17421 days ago · 6 km deep · 41 km away
  52. 3.123 km NE of King City, California · 17420 days ago · 7 km deep · 39 km away
  53. 2.38 km ENE of San Martin, California · 17419 days ago · 8 km deep · 63 km away
  54. 2.120 km SSE of Tres Pinos, California · 17419 days ago · 6 km deep · 2 km away
  55. 1.521 km SSE of Tres Pinos, California · 17419 days ago · 5 km deep · 1 km away
  56. 1.96 km E of East Foothills, California · 17418 days ago · 1 km deep · 98 km away
  57. 1.82 km W of Cambrian Park, California · 17418 days ago · 7 km deep · 98 km away
  58. 1.82 km WNW of Cambrian Park, California · 17418 days ago · 7 km deep · 98 km away
  59. 1.919 km NW of Parkfield, California · 17418 days ago · 4 km deep · 86 km away
  60. 1.95 km E of East Foothills, California · 17417 days ago · 0 km deep · 98 km away

The first 60 of 165.

Before

  1. 2.021 km NE of Soledad, California · 17440 days ago · 4 km deep · 6 km away
  2. 1.724 km ENE of Soledad, California · 17441 days ago · 4 km deep · 18 km away
  3. 1.816 km E of Tres Pinos, California · 17441 days ago · 5 km deep · 24 km away
  4. 1.66 km NW of Morgan Hill, California · 17441 days ago · 6 km deep · 76 km away
  5. 1.918 km NW of San Simeon, California · 17444 days ago · 11 km deep · 95 km away
  6. 3.322 km NE of San Ardo, California · 17445 days ago · 8 km deep · 67 km away
  7. 2.221 km NE of Soledad, California · 17446 days ago · 4 km deep · 4 km away
  8. 2.010 km S of Tres Pinos, California · 17446 days ago · 5 km deep · 15 km away
  9. 1.711 km ESE of East Foothills, California · 17447 days ago · 7 km deep · 92 km away
  10. 1.521 km NE of Soledad, California · 17447 days ago · 6 km deep · 11 km away
  11. 1.921 km NE of Soledad, California · 17447 days ago · 5 km deep · 11 km away
  12. 1.721 km NE of Soledad, California · 17447 days ago · 7 km deep · 8 km away
  13. 1.616 km SSE of Tres Pinos, California · 17448 days ago · 8 km deep · 6 km away
  14. 2.621 km NE of Soledad, California · 17448 days ago · 4 km deep · 5 km away
  15. 2.322 km NE of San Ardo, California · 17450 days ago · 5 km deep · 62 km away
  16. 3.123 km NE of San Ardo, California · 17450 days ago · 7 km deep · 62 km away
  17. 2.024 km NE of Greenfield, California · 17450 days ago · 7 km deep · 20 km away
  18. 2.122 km NE of Soledad, California · 17451 days ago · 4 km deep · 3 km away
  19. 1.623 km NW of Parkfield, California · 17451 days ago · 2 km deep · 82 km away
  20. 1.721 km SSE of Tres Pinos, California · 17452 days ago · 2 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1043866. Read Tue, Sep 22, 2026, 9:30 PM UTC.