California earthquakes

M2.1 earthquake 22 km NE of Soledad, California

A magnitude 2.1 earthquake struck 22 km NE of Soledad, California on Wed, Oct 4, 1978, 10:56 AM PDT (17:56 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.8 18 km SSE of Tres Pinos, 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.

Open the live map with earthquakes

The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1978-10-04 17:56:48 UTC
Depth
2.3 km (1.4 mi), shallow
Epicenter
36.537° N, 121.122° 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, 0.6 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
59°
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: 115 in the 60 days after this one and 93 in the 30 days before it.

After

  1. 3.113 km SSE of Tres Pinos, California · 17527 days ago · 5 km deep · 21 km away
  2. 1.711 km S of Tres Pinos, California · 17526 days ago · 4 km deep · 24 km away
  3. 1.913 km S of Tres Pinos, California · 17525 days ago · 4 km deep · 21 km away
  4. 1.88 km SSW of Tres Pinos, California · 17524 days ago · 2 km deep · 30 km away
  5. 1.729 km SW of South Dos Palos, California · 17524 days ago · 5 km deep · 34 km away
  6. 3.021 km NE of Soledad, California · 17523 days ago · 3 km deep · 5 km away
  7. 1.821 km NE of Soledad, California · 17523 days ago · 3 km deep · 5 km away
  8. 3.39 km S of Tres Pinos, California · 17522 days ago · 4 km deep · 26 km away
  9. 1.99 km S of Tres Pinos, California · 17522 days ago · 4 km deep · 27 km away
  10. 1.99 km S of Tres Pinos, California · 17522 days ago · 4 km deep · 27 km away
  11. 2.010 km S of Tres Pinos, California · 17522 days ago · 4 km deep · 26 km away
  12. 2.210 km S of Tres Pinos, California · 17522 days ago · 5 km deep · 26 km away
  13. 3.818 km SSE of Tres Pinos, California · 17522 days ago · 8 km deep · 16 km away
  14. 1.518 km SSE of Tres Pinos, California · 17522 days ago · 6 km deep · 16 km away
  15. 3.224 km E of Tres Pinos, California · 17522 days ago · 1 km deep · 27 km away
  16. 2.922 km E of Tres Pinos, California · 17522 days ago · 5 km deep · 28 km away
  17. 1.77 km WSW of Gilroy, California · 17521 days ago · 4 km deep · 69 km away
  18. 2.622 km SSE of Tres Pinos, California · 17521 days ago · 6 km deep · 12 km away
  19. 1.912 km E of Seven Trees, California · 17520 days ago · 1 km deep · 98 km away
  20. 1.918 km SSE of Tres Pinos, California · 17520 days ago · 6 km deep · 15 km away
  21. 1.912 km W of Oak Shores, California · 17518 days ago · 9 km deep · 85 km away
  22. 1.923 km ENE of Soledad, California · 17518 days ago · 2 km deep · 6 km away
  23. 1.613 km SSE of Tres Pinos, California · 17518 days ago · 3 km deep · 21 km away
  24. 3.29 km NNW of Hollister, California · 17517 days ago · 8 km deep · 53 km away
  25. 1.68 km NNW of Hollister, California · 17517 days ago · 5 km deep · 51 km away
  26. 2.221 km SSE of Tres Pinos, California · 17517 days ago · 5 km deep · 12 km away
  27. 2.93 km E of Morgan Hill, California · 17517 days ago · 2 km deep · 79 km away
  28. 1.617 km SSE of Tres Pinos, California · 17515 days ago · 6 km deep · 16 km away
  29. 2.223 km NE of Greenfield, California · 17515 days ago · 6 km deep · 10 km away
  30. 2.910 km S of Tres Pinos, California · 17513 days ago · 4 km deep · 26 km away
  31. 1.510 km S of Tres Pinos, California · 17513 days ago · 4 km deep · 26 km away
  32. 1.917 km SSE of Tres Pinos, California · 17513 days ago · 6 km deep · 17 km away
  33. 1.88 km SSW of Tres Pinos, California · 17512 days ago · 2 km deep · 29 km away
  34. 1.825 km ENE of San Ardo, California · 17512 days ago · 1 km deep · 68 km away
  35. 2.530 km ENE of Soledad, California · 17510 days ago · 7 km deep · 8 km away
  36. 1.59 km S of Tres Pinos, California · 17509 days ago · 4 km deep · 27 km away
  37. 2.19 km NW of Parkfield, California · 17509 days ago · 5 km deep · 84 km away
  38. 1.721 km NE of Soledad, California · 17508 days ago · 2 km deep · 8 km away
  39. 2.616 km S of Davenport, California · 17507 days ago · 5 km deep · 99 km away
  40. 2.517 km S of Davenport, California · 17507 days ago · 4 km deep · 99 km away
  41. 1.616 km E of Tres Pinos, California · 17505 days ago · 0 km deep · 25 km away
  42. 2.424 km ENE of Greenfield, California · 17505 days ago · 10 km deep · 18 km away
  43. 1.521 km NW of Parkfield, California · 17505 days ago · 0 km deep · 72 km away
  44. 3.114 km N of Morgan Hill, California · 17505 days ago · 5 km deep · 92 km away
  45. 2.914km N of Coalinga, CA · 17505 days ago · 6 km deep · 73 km away
  46. 1.97 km SE of San Juan Bautista, California · 17504 days ago · 4 km deep · 43 km away
  47. 1.813 km SE of Tres Pinos, California · 17504 days ago · 14 km deep · 21 km away
  48. 1.66 km S of Tres Pinos, California · 17503 days ago · 7 km deep · 29 km away
  49. 1.920 km SSE of Tres Pinos, California · 17503 days ago · 4 km deep · 13 km away
  50. 1.89 km S of Tres Pinos, California · 17503 days ago · 4 km deep · 26 km away
  51. 1.73 km WNW of San Juan Bautista, California · 17502 days ago · 4 km deep · 53 km away
  52. 2.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  53. 1.523 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  54. 1.623 km NE of Greenfield, California · 17502 days ago · 8 km deep · 10 km away
  55. 3.210 km S of Tres Pinos, California · 17502 days ago · 5 km deep · 26 km away
  56. 2.523 km NE of Greenfield, California · 17501 days ago · 7 km deep · 10 km away
  57. 1.924 km ENE of Greenfield, California · 17500 days ago · 5 km deep · 15 km away
  58. 2.019 km SSE of Tres Pinos, California · 17500 days ago · 6 km deep · 15 km away
  59. 1.5Central California · 17500 days ago · 5 km deep · 10 km away
  60. 1.516 km NW of Parkfield, California · 17499 days ago · 5 km deep · 78 km away

The first 60 of 115.

Before

  1. 2.522 km NE of Soledad, California · 17528 days ago · 3 km deep · 0 km away
  2. 1.622 km ENE of Soledad, California · 17528 days ago · 2 km deep · 0 km away
  3. 2.422 km ENE of Soledad, California · 17528 days ago · 3 km deep · 0 km away
  4. 1.814 km SSE of Tres Pinos, California · 17529 days ago · 4 km deep · 20 km away
  5. 1.76 km WSW of Gilroy, California · 17530 days ago · 7 km deep · 69 km away
  6. 2.88 km E of Gilroy, California · 17530 days ago · 4 km deep · 60 km away
  7. 1.521 km NE of Soledad, California · 17531 days ago · 7 km deep · 6 km away
  8. 1.56 km WSW of Gilroy, California · 17531 days ago · 4 km deep · 68 km away
  9. 1.78 km SSW of Tres Pinos, California · 17531 days ago · 2 km deep · 29 km away
  10. 2.016 km E of Seven Trees, California · 17532 days ago · 7 km deep · 97 km away
  11. 1.64 km NE of Day Valley, California · 17533 days ago · 12 km deep · 85 km away
  12. 1.54 km N of Aromas, California · 17534 days ago · 4 km deep · 64 km away
  13. 1.522 km ENE of San Lucas, California · 17536 days ago · 5 km deep · 46 km away
  14. 1.510 km S of Tres Pinos, California · 17536 days ago · 4 km deep · 25 km away
  15. 1.59 km NNW of Hollister, California · 17536 days ago · 5 km deep · 52 km away
  16. 1.9Central California · 17536 days ago · 4 km deep · 27 km away
  17. 1.616 km NW of Parkfield, California · 17536 days ago · 3 km deep · 78 km away
  18. 1.63 km W of Hollister, California · 17536 days ago · 4 km deep · 45 km away
  19. 1.818 km NW of Parkfield, California · 17536 days ago · 2 km deep · 76 km away
  20. 1.99 km NNW of Hollister, California · 17536 days ago · 5 km deep · 52 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1042597. Read Wed, Sep 30, 2026, 4:04 AM UTC.