California earthquakes

M2.5 earthquake 30 km ENE of Soledad, California

A magnitude 2.5 earthquake struck 30 km ENE of Soledad, California on Sat, Oct 21, 1978, 12:14 PM PDT (19:14 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 22 km NE 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
2.5 (md), micro
Local time
UTC
1978-10-21 19:14:10 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
36.556° N, 121.034° 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, 0.9 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
75°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 1.59 km S of Tres Pinos, California · 17509 days ago · 4 km deep · 32 km away
  2. 2.19 km NW of Parkfield, California · 17509 days ago · 5 km deep · 81 km away
  3. 1.721 km NE of Soledad, California · 17507 days ago · 2 km deep · 14 km away
  4. 1.616 km E of Tres Pinos, California · 17504 days ago · 0 km deep · 25 km away
  5. 2.424 km ENE of Greenfield, California · 17504 days ago · 10 km deep · 17 km away
  6. 1.521 km NW of Parkfield, California · 17504 days ago · 0 km deep · 69 km away
  7. 3.114 km N of Morgan Hill, California · 17504 days ago · 5 km deep · 95 km away
  8. 2.914km N of Coalinga, CA · 17504 days ago · 6 km deep · 67 km away
  9. 1.97 km SE of San Juan Bautista, California · 17504 days ago · 4 km deep · 48 km away
  10. 1.813 km SE of Tres Pinos, California · 17503 days ago · 14 km deep · 23 km away
  11. 1.66 km S of Tres Pinos, California · 17503 days ago · 7 km deep · 33 km away
  12. 1.920 km SSE of Tres Pinos, California · 17503 days ago · 4 km deep · 19 km away
  13. 1.89 km S of Tres Pinos, California · 17502 days ago · 4 km deep · 31 km away
  14. 1.73 km WNW of San Juan Bautista, California · 17502 days ago · 4 km deep · 58 km away
  15. 2.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  16. 1.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  17. 1.623 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  18. 3.210 km S of Tres Pinos, California · 17501 days ago · 5 km deep · 31 km away
  19. 2.523 km NE of Greenfield, California · 17500 days ago · 7 km deep · 10 km away
  20. 1.924 km ENE of Greenfield, California · 17499 days ago · 5 km deep · 13 km away
  21. 2.019 km SSE of Tres Pinos, California · 17499 days ago · 6 km deep · 21 km away
  22. 1.5Central California · 17499 days ago · 5 km deep · 10 km away
  23. 1.516 km NW of Parkfield, California · 17499 days ago · 5 km deep · 75 km away
  24. 1.623 km ENE of San Lucas, California · 17498 days ago · 6 km deep · 41 km away
  25. 2.223 km ENE of Soledad, California · 17498 days ago · 5 km deep · 8 km away
  26. 2.912 km WSW of Three Rocks, California · 17497 days ago · 14 km deep · 46 km away
  27. 2.221 km NE of Soledad, California · 17496 days ago · 6 km deep · 14 km away
  28. 2.518 km SSE of Tres Pinos, California · 17495 days ago · 6 km deep · 21 km away
  29. 1.812 km S of Tres Pinos, California · 17494 days ago · 3 km deep · 28 km away
  30. 1.617 km SSE of Tres Pinos, California · 17493 days ago · 3 km deep · 22 km away
  31. 2.94 km SSW of San Juan Bautista, California · 17493 days ago · 5 km deep · 54 km away
  32. 2.93 km W of San Juan Bautista, California · 17493 days ago · 6 km deep · 58 km away
  33. 2.93 km W of San Juan Bautista, California · 17493 days ago · 7 km deep · 58 km away
  34. 2.45 km S of Gilroy, California · 17493 days ago · 7 km deep · 66 km away
  35. 2.123 km NE of San Lucas, California · 17493 days ago · 8 km deep · 39 km away
  36. 1.75 km NNW of San Juan Bautista, California · 17491 days ago · 7 km deep · 60 km away
  37. 2.125 km ENE of Soledad, California · 17490 days ago · 8 km deep · 5 km away
  38. 2.024 km NE of Soledad, California · 17490 days ago · 9 km deep · 6 km away
  39. 2.921 km NE of Soledad, California · 17489 days ago · 2 km deep · 13 km away
  40. 2.228 km NE of Greenfield, California · 17489 days ago · 7 km deep · 7 km away
  41. 2.423 km SSW of Volta, California · 17489 days ago · 4 km deep · 40 km away
  42. 2.14 km SSE of San Juan Bautista, California · 17489 days ago · 4 km deep · 52 km away
  43. 1.724 km SE of Tres Pinos, California · 17489 days ago · 5 km deep · 13 km away
  44. 2.821 km NE of Soledad, California · 17488 days ago · 7 km deep · 11 km away
  45. 2.921 km NE of Soledad, California · 17488 days ago · 6 km deep · 10 km away
  46. 2.522 km WSW of Three Rocks, California · 17488 days ago · 16 km deep · 38 km away
  47. 2.522 km NE of San Lucas, California · 17487 days ago · 6 km deep · 38 km away
  48. 1.69 km S of Tres Pinos, California · 17487 days ago · 4 km deep · 32 km away
  49. 3.121 km NE of Soledad, California · 17486 days ago · 3 km deep · 11 km away
  50. 1.728 km SW of South Dos Palos, California · 17486 days ago · 10 km deep · 29 km away
  51. 2.128 km NE of Greenfield, California · 17486 days ago · 6 km deep · 7 km away
  52. 2.021 km NE of Soledad, California · 17486 days ago · 2 km deep · 11 km away
  53. 2.04 km NE of Ridgemark, California · 17485 days ago · 8 km deep · 42 km away
  54. 2.39 km S of Tres Pinos, California · 17485 days ago · 4 km deep · 32 km away
  55. 1.621 km NE of Soledad, California · 17484 days ago · 7 km deep · 14 km away
  56. 1.723 km NE of San Ardo, California · 17480 days ago · 7 km deep · 48 km away
  57. 3.024 km ENE of Greenfield, California · 17480 days ago · 7 km deep · 16 km away
  58. 1.822 km NNE of Soledad, California · 17480 days ago · 6 km deep · 16 km away
  59. 2.119 km SSE of Tres Pinos, California · 17479 days ago · 5 km deep · 20 km away
  60. 2.18 km SSW of Tres Pinos, California · 17478 days ago · 2 km deep · 35 km away

The first 60 of 112.

Before

  1. 1.825 km ENE of San Ardo, California · 17511 days ago · 1 km deep · 65 km away
  2. 1.88 km SSW of Tres Pinos, California · 17511 days ago · 2 km deep · 34 km away
  3. 1.917 km SSE of Tres Pinos, California · 17512 days ago · 6 km deep · 22 km away
  4. 1.510 km S of Tres Pinos, California · 17513 days ago · 4 km deep · 31 km away
  5. 2.910 km S of Tres Pinos, California · 17513 days ago · 4 km deep · 31 km away
  6. 2.223 km NE of Greenfield, California · 17514 days ago · 6 km deep · 10 km away
  7. 1.617 km SSE of Tres Pinos, California · 17515 days ago · 6 km deep · 22 km away
  8. 2.93 km E of Morgan Hill, California · 17516 days ago · 2 km deep · 82 km away
  9. 2.221 km SSE of Tres Pinos, California · 17516 days ago · 5 km deep · 18 km away
  10. 1.68 km NNW of Hollister, California · 17517 days ago · 5 km deep · 54 km away
  11. 3.29 km NNW of Hollister, California · 17517 days ago · 8 km deep · 56 km away
  12. 1.613 km SSE of Tres Pinos, California · 17517 days ago · 3 km deep · 26 km away
  13. 1.923 km ENE of Soledad, California · 17517 days ago · 2 km deep · 7 km away
  14. 1.912 km W of Oak Shores, California · 17518 days ago · 9 km deep · 87 km away
  15. 1.918 km SSE of Tres Pinos, California · 17519 days ago · 6 km deep · 21 km away
  16. 2.622 km SSE of Tres Pinos, California · 17520 days ago · 6 km deep · 17 km away
  17. 1.77 km WSW of Gilroy, California · 17521 days ago · 4 km deep · 73 km away
  18. 2.922 km E of Tres Pinos, California · 17521 days ago · 5 km deep · 26 km away
  19. 3.224 km E of Tres Pinos, California · 17521 days ago · 1 km deep · 24 km away
  20. 1.518 km SSE of Tres Pinos, California · 17522 days ago · 6 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1042953. Read Tue, Sep 29, 2026, 4:00 PM UTC.