California earthquakes

M1.7 earthquake 21 km NW of San Simeon, California

A magnitude 1.7 earthquake struck 21 km NW of San Simeon, California on Sat, Jul 4, 1981, 5:18 PM PDT (00:18 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M1.7 16 km ENE of Big Sur, 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
1.7 (md), micro
Local time
UTC
1981-07-05 00:18:51 UTC
Depth
8.0 km (5.0 mi), shallow
Epicenter
35.785° N, 121.349° 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 1.0 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
222°, poorly surrounded by stations
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 97 in the 60 days after this one and 41 in the 30 days before it.

After

  1. 1.716 km ENE of Big Sur, California · 16515 days ago · 8 km deep · 65 km away
  2. 1.822 km NE of Soledad, California · 16515 days ago · 3 km deep · 86 km away
  3. 1.823 km NE of Soledad, California · 16514 days ago · 4 km deep · 88 km away
  4. 1.526 km SE of Tres Pinos, California · 16514 days ago · 7 km deep · 95 km away
  5. 2.422 km NE of Soledad, California · 16514 days ago · 2 km deep · 86 km away
  6. 1.621 km NE of Soledad, California · 16514 days ago · 8 km deep · 86 km away
  7. 2.023 km ENE of Soledad, California · 16513 days ago · 4 km deep · 83 km away
  8. 1.623 km ENE of San Lucas, California · 16513 days ago · 4 km deep · 71 km away
  9. 1.724 km NE of Greenfield, California · 16513 days ago · 5 km deep · 80 km away
  10. 1.623 km NW of Parkfield, California · 16512 days ago · 3 km deep · 73 km away
  11. 1.95 km WNW of San Luis Obispo, California · 16512 days ago · 2 km deep · 79 km away
  12. 2.122 km NE of Soledad, California · 16512 days ago · 2 km deep · 86 km away
  13. 1.524 km NE of King City, California · 16510 days ago · 3 km deep · 75 km away
  14. 1.910 km NW of Parkfield, California · 16508 days ago · 8 km deep · 78 km away
  15. 1.624 km ENE of San Ardo, California · 16508 days ago · 7 km deep · 72 km away
  16. 1.87 km WSW of San Ardo, California · 16507 days ago · 12 km deep · 40 km away
  17. 2.829 km WNW of San Simeon, California · 16507 days ago · 6 km deep · 11 km away
  18. 2.414km NE of Parkfield, CA · 16507 days ago · 5 km deep · 96 km away
  19. 2.524 km NE of Soledad, California · 16507 days ago · 10 km deep · 88 km away
  20. 3.020 km SSE of Tres Pinos, California · 16506 days ago · 6 km deep · 93 km away
  21. 2.120 km SSE of Tres Pinos, California · 16506 days ago · 6 km deep · 93 km away
  22. 1.612 km NNE of Cambria, California · 16505 days ago · 6 km deep · 32 km away
  23. 2.87 km WSW of San Ardo, California · 16504 days ago · 15 km deep · 41 km away
  24. 1.732 km W of Lockwood, California · 16504 days ago · 4 km deep · 15 km away
  25. 1.62 km ESE of San Ardo, California · 16504 days ago · 8 km deep · 49 km away
  26. 1.923 km NE of San Ardo, California · 16504 days ago · 7 km deep · 70 km away
  27. 1.67 km SSW of San Lucas, California · 16504 days ago · 10 km deep · 41 km away
  28. 2.1Central California · 16504 days ago · 6 km deep · 93 km away
  29. 1.831 km WNW of Coalinga, California · 16503 days ago · 16 km deep · 83 km away
  30. 2.023 km NNE of San Lucas, California · 16502 days ago · 7 km deep · 72 km away
  31. 1.612 km SSE of Parkfield, California · 16501 days ago · 9 km deep · 90 km away
  32. 1.822 km NE of San Ardo, CA · 16501 days ago · 1 km deep · 69 km away
  33. 1.723 km NE of Greenfield, California · 16501 days ago · 5 km deep · 80 km away
  34. 2.123 km NE of San Ardo, California · 16500 days ago · 7 km deep · 70 km away
  35. 1.824 km NE of Greenfield, California · 16498 days ago · 7 km deep · 81 km away
  36. 1.525 km NW of San Simeon, California · 16496 days ago · 10 km deep · 4 km away
  37. 1.522 km NE of San Lucas, California · 16495 days ago · 6 km deep · 71 km away
  38. 3.031 km ENE of Soledad, California · 16495 days ago · 9 km deep · 92 km away
  39. 1.730 km ENE of Soledad, California · 16495 days ago · 7 km deep · 91 km away
  40. 1.611 km S of Oak Shores, California · 16493 days ago · 4 km deep · 34 km away
  41. 2.121 km NE of Soledad, California · 16492 days ago · 6 km deep · 89 km away
  42. 1.530 km ENE of Soledad, California · 16492 days ago · 8 km deep · 92 km away
  43. 1.713 km SSE of Tres Pinos, California · 16491 days ago · 5 km deep · 99 km away
  44. 2.014 km SSE of Tres Pinos, California · 16490 days ago · 4 km deep · 98 km away
  45. 2.025 km NE of Soledad, California · 16490 days ago · 7 km deep · 93 km away
  46. 1.613 km WNW of Oak Shores, California · 16490 days ago · 5 km deep · 22 km away
  47. 2.438 km W of Three Rocks, California · 16490 days ago · 6 km deep · 97 km away
  48. 2.938 km W of Three Rocks, California · 16490 days ago · 7 km deep · 98 km away
  49. 1.738 km W of Three Rocks, California · 16490 days ago · 4 km deep · 97 km away
  50. 1.938 km W of Three Rocks, California · 16489 days ago · 8 km deep · 97 km away
  51. 1.738 km W of Three Rocks, California · 16489 days ago · 8 km deep · 97 km away
  52. 1.838 km W of Three Rocks, California · 16489 days ago · 7 km deep · 98 km away
  53. 1.638 km W of Three Rocks, California · 16489 days ago · 7 km deep · 97 km away
  54. 1.638 km W of Three Rocks, California · 16489 days ago · 6 km deep · 98 km away
  55. 1.637 km W of Three Rocks, California · 16489 days ago · 5 km deep · 98 km away
  56. 2.338 km W of Three Rocks, California · 16489 days ago · 8 km deep · 97 km away
  57. 1.820 km NW of Parkfield, California · 16487 days ago · 4 km deep · 73 km away
  58. 2.038 km W of Three Rocks, California · 16487 days ago · 6 km deep · 97 km away
  59. 2.324 km NE of Greenfield, California · 16486 days ago · 3 km deep · 82 km away
  60. 1.738 km W of Three Rocks, California · 16485 days ago · 5 km deep · 98 km away

The first 60 of 97.

Before

  1. 1.731 km NE of Soledad, California · 16517 days ago · 8 km deep · 94 km away
  2. 1.714 km S of Carmel-by-the-Sea, California · 16517 days ago · 19 km deep · 88 km away
  3. 1.723 km ENE of King City, California · 16517 days ago · 4 km deep · 73 km away
  4. 2.128 km NE of Greenfield, California · 16517 days ago · 9 km deep · 84 km away
  5. 1.6Near the coast of Central California · 16517 days ago · 5 km deep · 3 km away
  6. 1.525 km NE of Greenfield, California · 16518 days ago · 1 km deep · 80 km away
  7. 2.125 km NE of Greenfield, California · 16518 days ago · 2 km deep · 80 km away
  8. 2.722 km NE of Soledad, California · 16519 days ago · 4 km deep · 90 km away
  9. 1.621 km NE of Soledad, California · 16519 days ago · 7 km deep · 90 km away
  10. 1.623 km NE of Greenfield, California · 16519 days ago · 6 km deep · 80 km away
  11. 2.522 km NNE of Soledad, California · 16520 days ago · 6 km deep · 92 km away
  12. 1.528 km NE of Soledad, California · 16522 days ago · 11 km deep · 91 km away
  13. 1.638 km W of Three Rocks, California · 16523 days ago · 8 km deep · 97 km away
  14. 1.913 km ENE of Big Sur, California · 16524 days ago · 6 km deep · 66 km away
  15. 1.629 km ENE of Greenfield, California · 16524 days ago · 0 km deep · 82 km away
  16. 1.519 km W of San Simeon, California · 16524 days ago · 4 km deep · 17 km away
  17. 3.122 km NNE of Soledad, California · 16525 days ago · 7 km deep · 91 km away
  18. 1.722 km NW of Parkfield, California · 16525 days ago · 3 km deep · 73 km away
  19. 2.138 km W of Three Rocks, California · 16525 days ago · 6 km deep · 97 km away
  20. 2.423 km ENE of Soledad, California · 16526 days ago · 7 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1065166. Read Tue, Sep 22, 2026, 9:40 PM UTC.