California earthquakes

M1.8 earthquake 15 km WNW of Three Rocks, California

A magnitude 1.8 earthquake struck 15 km WNW of Three Rocks, California on Fri, Sep 26, 1986, 6:53 PM PDT (01:53 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M3.3 4 km SW of Tres Pinos, 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
1.8 (md), micro
Local time
UTC
1986-09-27 01:53:23 UTC
Depth
13.6 km (8.4 mi), shallow
Epicenter
36.545° N, 120.551° 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
±0.09
Depth from
From location
Station coverage gap
112°
Stations used
23

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 157 in the 60 days after this one and 89 in the 30 days before it.

After

  1. 2.420 km SSE of Tres Pinos, California · 14610 days ago · 5 km deep · 61 km away
  2. 1.67 km NNE of Coalinga, California · 14610 days ago · 10 km deep · 43 km away
  3. 1.623 km NE of King City, California · 14610 days ago · 6 km deep · 40 km away
  4. 1.612 km N of Coalinga, California · 14610 days ago · 9 km deep · 37 km away
  5. 2.023 km ENE of San Ardo, California · 14610 days ago · 6 km deep · 47 km away
  6. 1.612 km ESE of Coalinga, California · 14610 days ago · 12 km deep · 58 km away
  7. 1.5Central California · 14610 days ago · 14 km deep · 58 km away
  8. 2.8Central California · 14609 days ago · 3 km deep · 76 km away
  9. 1.82 km W of Tres Pinos, California · 14609 days ago · 2 km deep · 76 km away
  10. 2.42 km W of Tres Pinos, California · 14609 days ago · 4 km deep · 76 km away
  11. 3.116 km SW of South Dos Palos, California · 14608 days ago · 4 km deep · 39 km away
  12. 1.51 km S of Avenal, California · 14608 days ago · 10 km deep · 73 km away
  13. 1.68 km NE of Ridgemark, California · 14608 days ago · 7 km deep · 75 km away
  14. 1.823 km SE of Tres Pinos, California · 14607 days ago · 7 km deep · 55 km away
  15. 1.621 km NE of Soledad, California · 14607 days ago · 8 km deep · 52 km away
  16. 1.818 km NNW of Coalinga, California · 14606 days ago · 9 km deep · 30 km away
  17. 1.717 km NNW of Coalinga, California · 14605 days ago · 8 km deep · 30 km away
  18. 2.49 km NNE of Hollister, California · 14605 days ago · 7 km deep · 82 km away
  19. 2.627 km NE of Greenfield, California · 14605 days ago · 7 km deep · 42 km away
  20. 1.721 km NE of Soledad, California · 14605 days ago · 5 km deep · 53 km away
  21. 1.826 km NE of Greenfield, California · 14603 days ago · 7 km deep · 42 km away
  22. 1.59 km NNE of Coalinga, California · 14603 days ago · 10 km deep · 41 km away
  23. 2.023 km NE of San Lucas, California · 14603 days ago · 7 km deep · 40 km away
  24. 2.324 km NE of King City, California · 14603 days ago · 1 km deep · 39 km away
  25. 1.625 km ENE of Greenfield, California · 14602 days ago · 1 km deep · 42 km away
  26. 1.515 km N of Coalinga, California · 14601 days ago · 9 km deep · 34 km away
  27. 1.616 km S of Cantua Creek, California · 14601 days ago · 12 km deep · 28 km away
  28. 1.822 km NE of Soledad, California · 14600 days ago · 8 km deep · 52 km away
  29. 1.827 km SE of Tres Pinos, California · 14600 days ago · 13 km deep · 48 km away
  30. 2.05 km NNE of Tres Pinos, California · 14598 days ago · 7 km deep · 73 km away
  31. 1.713 km NW of Parkfield, California · 14598 days ago · 12 km deep · 61 km away
  32. 2.05 km SE of Tres Pinos, California · 14597 days ago · 6 km deep · 68 km away
  33. 2.021 km NE of Soledad, California · 14596 days ago · 5 km deep · 56 km away
  34. 2.129 km WSW of Three Rocks, California · 14596 days ago · 13 km deep · 22 km away
  35. 2.221 km NE of Soledad, California · 14596 days ago · 2 km deep · 54 km away
  36. 1.624 km NE of Greenfield, California · 14595 days ago · 5 km deep · 45 km away
  37. 2.524 km NE of Greenfield, California · 14595 days ago · 5 km deep · 45 km away
  38. 2.224 km NE of Greenfield, California · 14595 days ago · 5 km deep · 45 km away
  39. 1.712 km NNW of Coalinga, California · 14595 days ago · 7 km deep · 36 km away
  40. 1.524 km NE of Greenfield, California · 14594 days ago · 5 km deep · 45 km away
  41. 2.221 km NE of Soledad, California · 14594 days ago · 6 km deep · 53 km away
  42. 2.36 km ENE of Hollister, California · 14594 days ago · 7 km deep · 80 km away
  43. 2.724 km NE of Greenfield, California · 14593 days ago · 2 km deep · 45 km away
  44. 2.3Central California · 14593 days ago · 4 km deep · 81 km away
  45. 1.821 km NE of Soledad, California · 14593 days ago · 2 km deep · 53 km away
  46. 1.85 km ENE of Hollister, California · 14593 days ago · 6 km deep · 80 km away
  47. 2.65 km NE of Hollister, California · 14593 days ago · 7 km deep · 80 km away
  48. 1.627 km NE of San Ardo, California · 14592 days ago · 5 km deep · 41 km away
  49. 1.74 km SSE of San Juan Bautista, California · 14591 days ago · 4 km deep · 91 km away
  50. 1.86 km NE of Hollister, California · 14591 days ago · 7 km deep · 80 km away
  51. 1.86 km NE of Hollister, California · 14591 days ago · 6 km deep · 80 km away
  52. 1.622 km NE of Soledad, California · 14591 days ago · 5 km deep · 51 km away
  53. 2.86 km ENE of Hollister, California · 14590 days ago · 6 km deep · 80 km away
  54. 1.56 km ENE of Hollister, California · 14590 days ago · 6 km deep · 80 km away
  55. 2.56 km ENE of Hollister, California · 14590 days ago · 6 km deep · 80 km away
  56. 1.53 km NW of Avenal, California · 14590 days ago · 13 km deep · 68 km away
  57. 1.55 km NE of Hollister, California · 14590 days ago · 6 km deep · 80 km away
  58. 2.56 km ENE of Hollister, California · 14590 days ago · 7 km deep · 80 km away
  59. 1.515 km NNW of Coalinga, California · 14590 days ago · 8 km deep · 33 km away
  60. 2.126 km NE of Greenfield, California · 14590 days ago · 6 km deep · 43 km away

The first 60 of 157.

Before

  1. 1.621 km NE of Soledad, California · 14611 days ago · 8 km deep · 52 km away
  2. 2.014 km NE of Coalinga, California · 14611 days ago · 12 km deep · 43 km away
  3. 2.424 km ENE of Soledad, California · 14611 days ago · 2 km deep · 46 km away
  4. 2.412 km SSE of Huron, California · 14612 days ago · 4 km deep · 67 km away
  5. 1.923 km NW of Parkfield, California · 14612 days ago · 4 km deep · 55 km away
  6. 1.73 km ESE of Tres Pinos, California · 14612 days ago · 9 km deep · 70 km away
  7. 2.510 km NNW of Kettleman City, California · 14612 days ago · 14 km deep · 70 km away
  8. 2.39 km NNE of Hollister, California · 14613 days ago · 6 km deep · 83 km away
  9. 1.819 km SSE of Tres Pinos, California · 14614 days ago · 4 km deep · 62 km away
  10. 1.624 km NE of Greenfield, California · 14614 days ago · 5 km deep · 45 km away
  11. 3.016 km SSE of Tres Pinos, California · 14615 days ago · 3 km deep · 65 km away
  12. 3.216 km SSE of Tres Pinos, California · 14615 days ago · 3 km deep · 65 km away
  13. 1.813 km NNE of Coalinga, California · 14616 days ago · 9 km deep · 38 km away
  14. 2.422 km NNE of Soledad, California · 14618 days ago · 6 km deep · 59 km away
  15. 2.422 km NNE of Soledad, California · 14618 days ago · 6 km deep · 59 km away
  16. 1.69 km NNW of Kettleman City, California · 14618 days ago · 15 km deep · 71 km away
  17. 2.17 km SSE of San Juan Bautista, California · 14618 days ago · 8 km deep · 89 km away
  18. 2.09 km NNE of Hollister, California · 14618 days ago · 7 km deep · 83 km away
  19. 2.27 km NE of Avenal, California · 14618 days ago · 10 km deep · 71 km away
  20. 3.2Central California · 14619 days ago · 9 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc83992. Read Sun, Sep 27, 2026, 6:48 PM UTC.