California earthquakes

M1.9 earthquake 29 km W of Three Rocks, California

A magnitude 1.9 earthquake struck 29 km W of Three Rocks, California on Sat, Sep 5, 1981, 5:13 AM PDT (12:13 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 3 km S of San Juan Bautista, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1981-09-05 12:13:38 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
36.537° N, 120.714° 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
±0.08
Depth from
From location
Station coverage gap
168°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 144 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.65 km SSW of Tres Pinos, California · 16459 days ago · 9 km deep · 61 km away
  2. 1.89 km E of San Martin, California · 16458 days ago · 9 km deep · 92 km away
  3. 2.324 km NE of Greenfield, California · 16457 days ago · 6 km deep · 30 km away
  4. 1.524 km ENE of Soledad, California · 16457 days ago · 4 km deep · 32 km away
  5. 1.55 km ESE of Aromas, California · 16457 days ago · 7 km deep · 86 km away
  6. 2.424 km NE of Greenfield, California · 16457 days ago · 0 km deep · 30 km away
  7. 1.524 km NE of Greenfield, California · 16457 days ago · 1 km deep · 29 km away
  8. 3.121 km NE of Soledad, California · 16456 days ago · 5 km deep · 37 km away
  9. 1.62 km SSW of San Juan Bautista, California · 16456 days ago · 6 km deep · 81 km away
  10. 3.26 km S of San Juan Bautista, California · 16455 days ago · 11 km deep · 78 km away
  11. 2.96 km S of San Juan Bautista, California · 16455 days ago · 10 km deep · 78 km away
  12. 2.815 km SSW of Lockwood, California · 16455 days ago · 5 km deep · 89 km away
  13. 2.128 km SW of South Dos Palos, CA · 16454 days ago · 4 km deep · 32 km away
  14. 2.737 km W of Three Rocks, California · 16454 days ago · 7 km deep · 8 km away
  15. 2.338 km W of Three Rocks, California · 16453 days ago · 0 km deep · 9 km away
  16. 1.638 km W of Three Rocks, California · 16453 days ago · 5 km deep · 9 km away
  17. 2.237 km W of Three Rocks, California · 16453 days ago · 6 km deep · 9 km away
  18. 2.7Central California · 16453 days ago · 11 km deep · 11 km away
  19. 1.530 km E of Tres Pinos, California · 16453 days ago · 5 km deep · 37 km away
  20. 1.69 km NW of Parkfield, California · 16453 days ago · 3 km deep · 67 km away
  21. 1.737 km W of Three Rocks, California · 16453 days ago · 3 km deep · 9 km away
  22. 1.840 km W of Lockwood, California · 16452 days ago · 6 km deep · 100 km away
  23. 1.638 km W of Lockwood, California · 16451 days ago · 5 km deep · 97 km away
  24. 1.77 km ESE of Prunedale, California · 16451 days ago · 8 km deep · 82 km away
  25. 2.67 km W of Gilroy, California · 16451 days ago · 4 km deep · 98 km away
  26. 3.313 km S of Tres Pinos, California · 16450 days ago · 4 km deep · 54 km away
  27. 2.113 km S of Tres Pinos, California · 16450 days ago · 3 km deep · 54 km away
  28. 1.65 km SW of Ridgemark, California · 16450 days ago · 9 km deep · 67 km away
  29. 2.015 km NW of Parkfield, California · 16449 days ago · 4 km deep · 62 km away
  30. 3.117 km NNW of San Simeon, California · 16448 days ago · 7 km deep · 98 km away
  31. 2.7Near the coast of Central California · 16448 days ago · 10 km deep · 99 km away
  32. 2.718 km NNW of San Simeon, California · 16447 days ago · 6 km deep · 97 km away
  33. 2.54 km SW of Tres Pinos, California · 16447 days ago · 9 km deep · 62 km away
  34. 1.69 km SSW of Tres Pinos, California · 16447 days ago · 2 km deep · 60 km away
  35. 1.638 km W of Three Rocks, California · 16446 days ago · 4 km deep · 9 km away
  36. 1.511 km SSE of Tres Pinos, California · 16446 days ago · 16 km deep · 54 km away
  37. 1.825 km NW of San Simeon, California · 16446 days ago · 12 km deep · 98 km away
  38. 1.925 km SE of Big Sur, California · 16446 days ago · 9 km deep · 91 km away
  39. 2.424 km ENE of Soledad, California · 16444 days ago · 3 km deep · 32 km away
  40. 3.313 km SSE of Tres Pinos, California · 16443 days ago · 3 km deep · 53 km away
  41. 2.121 km NE of Soledad, California · 16443 days ago · 4 km deep · 40 km away
  42. 1.926 km SE of Big Sur, California · 16443 days ago · 5 km deep · 91 km away
  43. 2.44 km SW of Tres Pinos, California · 16442 days ago · 9 km deep · 62 km away
  44. 1.82 km E of Tres Pinos, California · 16441 days ago · 8 km deep · 59 km away
  45. 1.720 km W of Volta, California · 16441 days ago · 0 km deep · 73 km away
  46. 2.330 km ENE of Soledad, California · 16441 days ago · 7 km deep · 29 km away
  47. 2.217 km NNW of San Simeon, California · 16440 days ago · 4 km deep · 97 km away
  48. 1.923 km ENE of Soledad, California · 16440 days ago · 3 km deep · 32 km away
  49. 3.23 km S of San Juan Bautista, California · 16440 days ago · 8 km deep · 80 km away
  50. 3.13 km S of San Juan Bautista, California · 16440 days ago · 7 km deep · 79 km away
  51. 1.64 km S of San Juan Bautista, California · 16440 days ago · 7 km deep · 79 km away
  52. 1.9Central California · 16440 days ago · 2 km deep · 51 km away
  53. 1.725 km WSW of Coalinga, California · 16439 days ago · 2 km deep · 53 km away
  54. 2.123 km NE of San Lucas, California · 16439 days ago · 7 km deep · 33 km away
  55. 2.2Central California · 16439 days ago · 6 km deep · 57 km away
  56. 1.84 km SW of Tres Pinos, California · 16439 days ago · 8 km deep · 62 km away
  57. 2.112 km SE of Coalinga, California · 16438 days ago · 9 km deep · 67 km away
  58. 3.014 km SSE of Coalinga, California · 16438 days ago · 0 km deep · 69 km away
  59. 2.118 km SSE of Tres Pinos, California · 16438 days ago · 5 km deep · 49 km away
  60. 1.75 km SSW of Gilroy, California · 16438 days ago · 4 km deep · 91 km away

The first 60 of 144.

Before

  1. 2.221 km NE of Soledad, California · 16459 days ago · 8 km deep · 37 km away
  2. 2.535 km ENE of Soledad, California · 16460 days ago · 5 km deep · 22 km away
  3. 2.724 km ENE of Soledad, California · 16461 days ago · 3 km deep · 32 km away
  4. 1.99 km SSW of Tres Pinos, California · 16461 days ago · 2 km deep · 59 km away
  5. 1.84 km W of Gonzales, California · 16464 days ago · 10 km deep · 70 km away
  6. 2.011 km S of Tres Pinos, California · 16464 days ago · 4 km deep · 56 km away
  7. 2.424 km NE of Greenfield, California · 16464 days ago · 2 km deep · 32 km away
  8. 1.89 km ENE of Gilroy, California · 16466 days ago · 9 km deep · 88 km away
  9. 1.924 km NE of King City, California · 16466 days ago · 1 km deep · 27 km away
  10. 1.715 km ESE of Tres Pinos, California · 16468 days ago · 10 km deep · 46 km away
  11. 2.36 km W of Soledad, California · 16469 days ago · 11 km deep · 63 km away
  12. 1.98 km ENE of San Martin, California · 16470 days ago · 5 km deep · 96 km away
  13. 1.518 km NW of Parkfield, California · 16470 days ago · 4 km deep · 59 km away
  14. 2.237 km W of Three Rocks, California · 16471 days ago · 5 km deep · 8 km away
  15. 1.524 km NE of Greenfield, California · 16471 days ago · 2 km deep · 30 km away
  16. 2.137 km W of Three Rocks, California · 16471 days ago · 5 km deep · 9 km away
  17. 1.524 km NE of Greenfield, California · 16471 days ago · 5 km deep · 31 km away
  18. 2.33 km S of San Juan Bautista, California · 16471 days ago · 6 km deep · 79 km away
  19. 1.830 km ENE of Soledad, California · 16472 days ago · 7 km deep · 29 km away
  20. 2.18 km SW of Tres Pinos, California · 16472 days ago · 3 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1067387. Read Mon, Sep 28, 2026, 3:46 PM UTC.