California earthquakes

M2.1 earthquake 26 km ENE of Soledad, California

A magnitude 2.1 earthquake struck 26 km ENE of Soledad, California on Thu, Mar 30, 1978, 8:51 PM PST (04:51 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.5 14 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.

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The earthquake

Magnitude
2.1 (md), micro
Local time
UTC
1978-03-31 04:51:23 UTC
Depth
9.3 km (5.8 mi), shallow
Epicenter
36.548° N, 121.079° 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
±0.10
Depth from
From location
Station coverage gap
82°
Stations used
28

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 49 in the 30 days before it.

After

  1. 1.56 km E of Hollister, California · 17716 days ago · 5 km deep · 42 km away
  2. 1.624 km NE of Greenfield, California · 17716 days ago · 4 km deep · 7 km away
  3. 2.1Central California · 17715 days ago · 4 km deep · 24 km away
  4. 2.112 km SSE of Tres Pinos, California · 17714 days ago · 5 km deep · 24 km away
  5. 2.137 km W of Lockwood, California · 17714 days ago · 17 km deep · 72 km away
  6. 1.939 km W of Lockwood, California · 17714 days ago · 13 km deep · 76 km away
  7. 2.124 km NE of Greenfield, California · 17714 days ago · 5 km deep · 9 km away
  8. 1.610 km NNE of San Juan Bautista, California · 17713 days ago · 0 km deep · 55 km away
  9. 2.426 km NE of Soledad, California · 17713 days ago · 9 km deep · 6 km away
  10. 1.8Northern California · 17712 days ago · 5 km deep · 96 km away
  11. 2.022 km NE of Soledad, California · 17711 days ago · 2 km deep · 4 km away
  12. 1.711 km NW of Parkfield, California · 17710 days ago · 10 km deep · 81 km away
  13. 1.69 km ENE of Gilroy, California · 17709 days ago · 8 km deep · 65 km away
  14. 2.79 km SSE of San Juan Bautista, California · 17708 days ago · 6 km deep · 43 km away
  15. 2.210 km SE of San Juan Bautista, California · 17708 days ago · 6 km deep · 43 km away
  16. 2.119 km W of Volta, California · 17707 days ago · 0 km deep · 63 km away
  17. 2.29 km NW of Hollister, California · 17707 days ago · 6 km deep · 54 km away
  18. 2.015 km E of Seven Trees, California · 17706 days ago · 3 km deep · 97 km away
  19. 2.77 km SSW of Huron, California · 17704 days ago · 10 km deep · 96 km away
  20. 2.35 km NNE of Tres Pinos, California · 17703 days ago · 4 km deep · 38 km away
  21. 1.623 km NE of San Lucas, California · 17703 days ago · 6 km deep · 40 km away
  22. 1.917 km SSE of Tres Pinos, California · 17703 days ago · 4 km deep · 19 km away
  23. 1.821 km SSE of Tres Pinos, California · 17703 days ago · 5 km deep · 15 km away
  24. 2.221 km SSE of Tres Pinos, California · 17702 days ago · 5 km deep · 15 km away
  25. 3.19 km SSE of San Juan Bautista, California · 17701 days ago · 8 km deep · 43 km away
  26. 2.322 km ENE of San Lucas, California · 17699 days ago · 8 km deep · 45 km away
  27. 1.722 km ENE of San Lucas, California · 17699 days ago · 7 km deep · 44 km away
  28. 2.623 km ENE of San Lucas, California · 17699 days ago · 8 km deep · 45 km away
  29. 1.910 km SE of San Juan Bautista, California · 17698 days ago · 6 km deep · 43 km away
  30. 2.34 km S of San Juan Bautista, California · 17698 days ago · 7 km deep · 49 km away
  31. 2.722 km NNE of Soledad, California · 17698 days ago · 6 km deep · 13 km away
  32. 2.121 km NNE of Soledad, California · 17697 days ago · 8 km deep · 12 km away
  33. 2.05 km ENE of Hollister, California · 17696 days ago · 6 km deep · 42 km away
  34. 1.716 km NW of Parkfield, California · 17696 days ago · 5 km deep · 76 km away
  35. 1.813 km N of Morgan Hill, California · 17696 days ago · 7 km deep · 93 km away
  36. 1.98 km NW of Hollister, California · 17694 days ago · 7 km deep · 53 km away
  37. 1.939 km W of Three Rocks, California · 17693 days ago · 6 km deep · 23 km away
  38. 2.021 km NE of Soledad, California · 17692 days ago · 6 km deep · 7 km away
  39. 2.934 km SE of Big Sur, California · 17692 days ago · 17 km deep · 74 km away
  40. 2.07 km SE of Coalinga, California · 17692 days ago · 26 km deep · 86 km away
  41. 2.616 km NW of Parkfield, California · 17691 days ago · 6 km deep · 76 km away
  42. 2.122 km ENE of San Ardo, California · 17689 days ago · 5 km deep · 58 km away
  43. 2.320 km NW of Parkfield, California · 17688 days ago · 4 km deep · 72 km away
  44. 1.716 km NW of Parkfield, California · 17687 days ago · 5 km deep · 77 km away
  45. 1.624 km NE of Greenfield, California · 17687 days ago · 5 km deep · 9 km away
  46. 1.624 km NE of Greenfield, California · 17685 days ago · 5 km deep · 11 km away
  47. 2.323 km NE of King City, California · 17684 days ago · 7 km deep · 21 km away
  48. 1.74 km SSE of Parkfield, California · 17684 days ago · 4 km deep · 97 km away
  49. 1.516 km SSE of Tres Pinos, California · 17683 days ago · 4 km deep · 20 km away
  50. 1.99 km W of Coalinga, California · 17682 days ago · 11 km deep · 73 km away
  51. 2.613 km ESE of Tres Pinos, California · 17682 days ago · 10 km deep · 22 km away
  52. 2.911 km NNE of Morgan Hill, California · 17682 days ago · 4 km deep · 91 km away
  53. 1.81 km NNE of Tres Pinos, California · 17682 days ago · 8 km deep · 35 km away
  54. 1.523 km ENE of Soledad, California · 17681 days ago · 3 km deep · 5 km away
  55. 1.724 km ENE of San Lucas, California · 17681 days ago · 5 km deep · 44 km away
  56. 2.218 km SSE of Tres Pinos, California · 17681 days ago · 10 km deep · 19 km away
  57. 2.619 km SSW of Volta, California · 17680 days ago · 4 km deep · 43 km away
  58. 1.731 km W of Three Rocks, California · 17680 days ago · 8 km deep · 31 km away
  59. 3.36 km N of Biola, California · 17678 days ago · 10 km deep · 100 km away
  60. 2.127 km NE of San Ardo, California · 17677 days ago · 6 km deep · 48 km away

The first 60 of 115.

Before

  1. 1.923 km ENE of Soledad, California · 17717 days ago · 3 km deep · 4 km away
  2. 2.75 km WNW of San Juan Bautista, California · 17718 days ago · 8 km deep · 57 km away
  3. 2.84 km SE of Aromas, California · 17718 days ago · 8 km deep · 58 km away
  4. 1.65 km WNW of San Juan Bautista, California · 17718 days ago · 7 km deep · 57 km away
  5. 3.04 km SE of Aromas, California · 17718 days ago · 8 km deep · 58 km away
  6. 2.16 km NNE of Ridgemark, California · 17719 days ago · 6 km deep · 41 km away
  7. 2.54 km SE of Aromas, California · 17719 days ago · 8 km deep · 58 km away
  8. 1.816 km E of Seven Trees, California · 17719 days ago · 6 km deep · 97 km away
  9. 1.722 km NW of Parkfield, California · 17720 days ago · 2 km deep · 70 km away
  10. 1.717 km NW of Parkfield, California · 17721 days ago · 4 km deep · 75 km away
  11. 1.79 km E of San Miguel, California · 17722 days ago · 3 km deep · 98 km away
  12. 2.85 km SW of Gilroy, California · 17722 days ago · 4 km deep · 67 km away
  13. 1.924 km NE of Greenfield, California · 17723 days ago · 5 km deep · 11 km away
  14. 1.822 km NNE of Soledad, California · 17723 days ago · 5 km deep · 11 km away
  15. 1.92 km NW of Diablo Grande, California · 17723 days ago · 0 km deep · 98 km away
  16. 2.06 km SE of Tres Pinos, California · 17724 days ago · 10 km deep · 28 km away
  17. 2.021 km NW of Parkfield, California · 17726 days ago · 4 km deep · 71 km away
  18. 1.724 km NE of Greenfield, California · 17727 days ago · 5 km deep · 10 km away
  19. 1.925 km ENE of Greenfield, California · 17730 days ago · 6 km deep · 15 km away
  20. 2.16 km NE of Ridgemark, California · 17730 days ago · 6 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1039627. Read Wed, Sep 30, 2026, 8:07 PM UTC.