California earthquakes

M1.9 earthquake 23 km ENE of Soledad, California

A magnitude 1.9 earthquake struck 23 km ENE of Soledad, California on Wed, Mar 29, 1978, 8:39 AM PST (16:39 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.1 26 km ENE of Soledad, 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
1.9 (md), micro
Local time
UTC
1978-03-29 16:39:55 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
36.511° N, 121.090° 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, 1.2 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
84°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 109 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 2.126 km ENE of Soledad, California · 17708 days ago · 9 km deep · 4 km away
  2. 1.56 km E of Hollister, California · 17708 days ago · 5 km deep · 45 km away
  3. 1.624 km NE of Greenfield, California · 17708 days ago · 4 km deep · 4 km away
  4. 2.1Central California · 17707 days ago · 4 km deep · 26 km away
  5. 2.112 km SSE of Tres Pinos, California · 17707 days ago · 5 km deep · 26 km away
  6. 2.137 km W of Lockwood, California · 17706 days ago · 17 km deep · 68 km away
  7. 1.939 km W of Lockwood, California · 17706 days ago · 13 km deep · 72 km away
  8. 2.124 km NE of Greenfield, California · 17706 days ago · 5 km deep · 6 km away
  9. 1.610 km NNE of San Juan Bautista, California · 17705 days ago · 0 km deep · 58 km away
  10. 2.426 km NE of Soledad, California · 17705 days ago · 9 km deep · 9 km away
  11. 1.8Northern California · 17704 days ago · 5 km deep · 99 km away
  12. 2.022 km NE of Soledad, California · 17703 days ago · 2 km deep · 4 km away
  13. 1.711 km NW of Parkfield, California · 17702 days ago · 10 km deep · 79 km away
  14. 1.69 km ENE of Gilroy, California · 17701 days ago · 8 km deep · 68 km away
  15. 2.79 km SSE of San Juan Bautista, California · 17700 days ago · 6 km deep · 45 km away
  16. 2.210 km SE of San Juan Bautista, California · 17700 days ago · 6 km deep · 45 km away
  17. 2.119 km W of Volta, California · 17699 days ago · 0 km deep · 67 km away
  18. 2.29 km NW of Hollister, California · 17699 days ago · 6 km deep · 57 km away
  19. 2.77 km SSW of Huron, California · 17696 days ago · 10 km deep · 95 km away
  20. 2.35 km NNE of Tres Pinos, California · 17695 days ago · 4 km deep · 41 km away
  21. 1.623 km NE of San Lucas, California · 17695 days ago · 6 km deep · 38 km away
  22. 1.917 km SSE of Tres Pinos, California · 17695 days ago · 4 km deep · 21 km away
  23. 1.821 km SSE of Tres Pinos, California · 17695 days ago · 5 km deep · 17 km away
  24. 2.221 km SSE of Tres Pinos, California · 17694 days ago · 5 km deep · 17 km away
  25. 3.19 km SSE of San Juan Bautista, California · 17693 days ago · 8 km deep · 45 km away
  26. 2.322 km ENE of San Lucas, California · 17691 days ago · 8 km deep · 42 km away
  27. 1.722 km ENE of San Lucas, California · 17691 days ago · 7 km deep · 42 km away
  28. 2.623 km ENE of San Lucas, California · 17691 days ago · 8 km deep · 42 km away
  29. 1.910 km SE of San Juan Bautista, California · 17690 days ago · 6 km deep · 45 km away
  30. 2.34 km S of San Juan Bautista, California · 17690 days ago · 7 km deep · 51 km away
  31. 2.722 km NNE of Soledad, California · 17690 days ago · 6 km deep · 14 km away
  32. 2.121 km NNE of Soledad, California · 17689 days ago · 8 km deep · 13 km away
  33. 2.05 km ENE of Hollister, California · 17688 days ago · 6 km deep · 45 km away
  34. 1.716 km NW of Parkfield, California · 17688 days ago · 5 km deep · 74 km away
  35. 1.813 km N of Morgan Hill, California · 17688 days ago · 7 km deep · 96 km away
  36. 1.98 km NW of Hollister, California · 17686 days ago · 7 km deep · 55 km away
  37. 1.939 km W of Three Rocks, California · 17685 days ago · 6 km deep · 23 km away
  38. 2.021 km NE of Soledad, California · 17684 days ago · 6 km deep · 8 km away
  39. 2.934 km SE of Big Sur, California · 17684 days ago · 17 km deep · 70 km away
  40. 2.07 km SE of Coalinga, California · 17684 days ago · 26 km deep · 85 km away
  41. 2.616 km NW of Parkfield, California · 17683 days ago · 6 km deep · 74 km away
  42. 2.122 km ENE of San Ardo, California · 17681 days ago · 5 km deep · 56 km away
  43. 2.320 km NW of Parkfield, California · 17680 days ago · 4 km deep · 70 km away
  44. 1.716 km NW of Parkfield, California · 17679 days ago · 5 km deep · 74 km away
  45. 1.624 km NE of Greenfield, California · 17679 days ago · 5 km deep · 6 km away
  46. 1.624 km NE of Greenfield, California · 17677 days ago · 5 km deep · 8 km away
  47. 2.323 km NE of King City, California · 17676 days ago · 7 km deep · 18 km away
  48. 1.74 km SSE of Parkfield, California · 17676 days ago · 4 km deep · 94 km away
  49. 1.516 km SSE of Tres Pinos, California · 17675 days ago · 4 km deep · 22 km away
  50. 1.99 km W of Coalinga, California · 17675 days ago · 11 km deep · 71 km away
  51. 2.613 km ESE of Tres Pinos, California · 17674 days ago · 10 km deep · 26 km away
  52. 2.911 km NNE of Morgan Hill, California · 17674 days ago · 4 km deep · 94 km away
  53. 1.81 km NNE of Tres Pinos, California · 17674 days ago · 8 km deep · 38 km away
  54. 1.523 km ENE of Soledad, California · 17673 days ago · 3 km deep · 1 km away
  55. 1.724 km ENE of San Lucas, California · 17673 days ago · 5 km deep · 42 km away
  56. 2.218 km SSE of Tres Pinos, California · 17673 days ago · 10 km deep · 20 km away
  57. 2.619 km SSW of Volta, California · 17672 days ago · 4 km deep · 48 km away
  58. 1.731 km W of Three Rocks, California · 17672 days ago · 8 km deep · 31 km away
  59. 2.127 km NE of San Ardo, California · 17669 days ago · 6 km deep · 45 km away
  60. 1.627 km NE of San Ardo, California · 17669 days ago · 6 km deep · 45 km away

The first 60 of 109.

Before

  1. 2.75 km WNW of San Juan Bautista, California · 17710 days ago · 8 km deep · 59 km away
  2. 2.84 km SE of Aromas, California · 17710 days ago · 8 km deep · 60 km away
  3. 1.65 km WNW of San Juan Bautista, California · 17710 days ago · 7 km deep · 59 km away
  4. 3.04 km SE of Aromas, California · 17710 days ago · 8 km deep · 60 km away
  5. 2.16 km NNE of Ridgemark, California · 17711 days ago · 6 km deep · 44 km away
  6. 2.54 km SE of Aromas, California · 17711 days ago · 8 km deep · 60 km away
  7. 1.722 km NW of Parkfield, California · 17712 days ago · 2 km deep · 67 km away
  8. 1.717 km NW of Parkfield, California · 17713 days ago · 4 km deep · 72 km away
  9. 1.79 km E of San Miguel, California · 17714 days ago · 3 km deep · 95 km away
  10. 2.85 km SW of Gilroy, California · 17714 days ago · 4 km deep · 69 km away
  11. 1.924 km NE of Greenfield, California · 17715 days ago · 5 km deep · 7 km away
  12. 1.822 km NNE of Soledad, California · 17715 days ago · 5 km deep · 13 km away
  13. 2.06 km SE of Tres Pinos, California · 17716 days ago · 10 km deep · 31 km away
  14. 2.021 km NW of Parkfield, California · 17718 days ago · 4 km deep · 69 km away
  15. 1.724 km NE of Greenfield, California · 17719 days ago · 5 km deep · 6 km away
  16. 1.925 km ENE of Greenfield, California · 17722 days ago · 6 km deep · 12 km away
  17. 2.16 km NE of Ridgemark, California · 17722 days ago · 6 km deep · 44 km away
  18. 1.99 km NW of Whitley Gardens, California · 17722 days ago · 9 km deep · 99 km away
  19. 1.724 km NE of Greenfield, California · 17724 days ago · 3 km deep · 6 km away
  20. 2.824 km NE of Greenfield, California · 17724 days ago · 3 km deep · 6 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1039608. Read Tue, Sep 22, 2026, 9:18 PM UTC.