California earthquakes

M1.8 earthquake 21 km NE of Soledad, California

A magnitude 1.8 earthquake struck 21 km NE of Soledad, California on Thu, Aug 6, 1981, 12:13 AM PDT (07:13 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.2 2 km ESE 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
1.8 (md), micro
Local time
UTC
1981-08-06 07:13:39 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
36.584° N, 121.186° 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
±0.20
Depth from
From location
Station coverage gap
39°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 1.738 km W of Three Rocks, California · 16490 days ago · 5 km deep · 33 km away
  2. 2.637 km W of Three Rocks, California · 16490 days ago · 7 km deep · 34 km away
  3. 1.5Central California · 16490 days ago · 4 km deep · 33 km away
  4. 1.613 km N of Morgan Hill, California · 16489 days ago · 6 km deep · 85 km away
  5. 1.97 km NE of Ridgemark, California · 16489 days ago · 6 km deep · 33 km away
  6. 1.88 km ENE of Gilroy, California · 16489 days ago · 6 km deep · 55 km away
  7. 2.519 km NW of Parkfield, California · 16488 days ago · 5 km deep · 82 km away
  8. 1.619 km E of Tres Pinos, California · 16488 days ago · 5 km deep · 24 km away
  9. 1.539 km W of Three Rocks, California · 16488 days ago · 11 km deep · 32 km away
  10. 1.730 km WSW of Lockwood, California · 16488 days ago · 8 km deep · 82 km away
  11. 1.829 km NW of San Simeon, California · 16488 days ago · 0 km deep · 84 km away
  12. 1.611 km ESE of Tres Pinos, California · 16488 days ago · 10 km deep · 17 km away
  13. 1.538 km W of Three Rocks, California · 16487 days ago · 7 km deep · 33 km away
  14. 1.55 km SSW of Gilroy, California · 16486 days ago · 7 km deep · 56 km away
  15. 1.97 km N of Hollister, California · 16485 days ago · 7 km deep · 41 km away
  16. 1.97 km N of Hollister, California · 16485 days ago · 8 km deep · 41 km away
  17. 2.710 km ESE of East Foothills, California · 16485 days ago · 8 km deep · 96 km away
  18. 1.610 km E of Gilroy, California · 16485 days ago · 5 km deep · 52 km away
  19. 1.79 km NE of San Martin, California · 16484 days ago · 8 km deep · 70 km away
  20. 1.521 km NE of Soledad, California · 16484 days ago · 8 km deep · 6 km away
  21. 1.6Northern California · 16484 days ago · 13 km deep · 88 km away
  22. 1.612 km ESE of East Foothills, California · 16484 days ago · 5 km deep · 94 km away
  23. 2.810 km W of Huron, California · 16483 days ago · 9 km deep · 96 km away
  24. 1.911 km W of Huron, California · 16483 days ago · 8 km deep · 96 km away
  25. 1.76 km SE of Lexington Hills, California · 16483 days ago · 11 km deep · 89 km away
  26. 2.411 km W of Huron, California · 16483 days ago · 8 km deep · 96 km away
  27. 4.22 km ESE of Tres Pinos, California · 16482 days ago · 9 km deep · 23 km away
  28. 2.63 km ESE of Tres Pinos, California · 16482 days ago · 8 km deep · 23 km away
  29. 1.65 km WSW of Gilroy, California · 16482 days ago · 4 km deep · 59 km away
  30. 2.94 km W of San Juan Bautista, California · 16481 days ago · 6 km deep · 46 km away
  31. 1.726 km WSW of Three Rocks, California · 16481 days ago · 9 km deep · 47 km away
  32. 1.52 km ESE of Tres Pinos, California · 16480 days ago · 8 km deep · 24 km away
  33. 1.511 km S of Tres Pinos, California · 16480 days ago · 2 km deep · 17 km away
  34. 2.123 km ENE of Soledad, California · 16480 days ago · 5 km deep · 14 km away
  35. 1.92 km NE of Ridgemark, California · 16479 days ago · 7 km deep · 31 km away
  36. 1.922 km ENE of Soledad, California · 16478 days ago · 3 km deep · 8 km away
  37. 2.027 km E of Tres Pinos, California · 16477 days ago · 7 km deep · 28 km away
  38. 1.824 km ENE of Soledad, California · 16477 days ago · 3 km deep · 15 km away
  39. 1.727 km W of Coalinga, California · 16477 days ago · 6 km deep · 66 km away
  40. 1.922 km NW of Parkfield, California · 16476 days ago · -1 km deep · 80 km away
  41. 1.52 km NE of Corralitos, California · 16476 days ago · 10 km deep · 71 km away
  42. 3.19 km SW of Tres Pinos, CA · 16476 days ago · 2 km deep · 24 km away
  43. 1.9Central California · 16476 days ago · 4 km deep · 34 km away
  44. 1.68 km SE of San Juan Bautista, California · 16476 days ago · 5 km deep · 35 km away
  45. 1.738 km SSW of South Dos Palos, California · 16476 days ago · 8 km deep · 33 km away
  46. 3.22 km SW of San Juan Bautista, California · 16475 days ago · 5 km deep · 43 km away
  47. 1.73 km NNW of Hollister, California · 16475 days ago · 7 km deep · 39 km away
  48. 2.124 km ENE of San Ardo, California · 16474 days ago · 7 km deep · 71 km away
  49. 1.5Near the coast of Central California · 16473 days ago · 15 km deep · 78 km away
  50. 2.18 km SW of Tres Pinos, California · 16473 days ago · 3 km deep · 25 km away
  51. 1.830 km ENE of Soledad, California · 16473 days ago · 7 km deep · 13 km away
  52. 2.33 km S of San Juan Bautista, California · 16472 days ago · 6 km deep · 40 km away
  53. 1.524 km NE of Greenfield, California · 16472 days ago · 5 km deep · 17 km away
  54. 2.137 km W of Three Rocks, California · 16472 days ago · 5 km deep · 34 km away
  55. 1.524 km NE of Greenfield, California · 16472 days ago · 2 km deep · 18 km away
  56. 2.237 km W of Three Rocks, California · 16472 days ago · 5 km deep · 34 km away
  57. 1.518 km NW of Parkfield, California · 16471 days ago · 4 km deep · 83 km away
  58. 1.98 km ENE of San Martin, California · 16471 days ago · 5 km deep · 66 km away
  59. 1.615 km E of Seven Trees, California · 16471 days ago · 3 km deep · 89 km away
  60. 1.815 km E of Seven Trees, California · 16470 days ago · 3 km deep · 89 km away

The first 60 of 170.

Before

  1. 2.338 km W of Three Rocks, California · 16490 days ago · 4 km deep · 34 km away
  2. 1.838 km W of Three Rocks, California · 16491 days ago · 7 km deep · 33 km away
  3. 1.838 km W of Three Rocks, California · 16491 days ago · 4 km deep · 33 km away
  4. 1.638 km W of Three Rocks, California · 16491 days ago · 5 km deep · 33 km away
  5. 2.038 km W of Three Rocks, California · 16491 days ago · 5 km deep · 34 km away
  6. 2.737 km W of Three Rocks, California · 16491 days ago · 7 km deep · 34 km away
  7. 3.18 km SSW of Tres Pinos, California · 16492 days ago · 2 km deep · 23 km away
  8. 2.78 km SSW of Tres Pinos, California · 16492 days ago · 2 km deep · 23 km away
  9. 1.638 km W of Three Rocks, California · 16492 days ago · 5 km deep · 33 km away
  10. 1.738 km W of Three Rocks, California · 16492 days ago · 5 km deep · 33 km away
  11. 2.324 km NE of Greenfield, California · 16492 days ago · 3 km deep · 18 km away
  12. 2.69 km NE of Gilroy, California · 16493 days ago · 9 km deep · 59 km away
  13. 2.038 km W of Three Rocks, California · 16493 days ago · 6 km deep · 33 km away
  14. 1.820 km NW of Parkfield, California · 16494 days ago · 4 km deep · 82 km away
  15. 2.516 km ENE of San Martin, California · 16495 days ago · 7 km deep · 69 km away
  16. 2.338 km W of Three Rocks, California · 16495 days ago · 8 km deep · 34 km away
  17. 1.637 km W of Three Rocks, California · 16496 days ago · 5 km deep · 34 km away
  18. 1.638 km W of Three Rocks, California · 16496 days ago · 6 km deep · 33 km away
  19. 1.638 km W of Three Rocks, California · 16496 days ago · 7 km deep · 33 km away
  20. 1.838 km W of Three Rocks, California · 16496 days ago · 7 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1066361. Read Tue, Sep 29, 2026, 5:03 PM UTC.