California earthquakes

M2.7 earthquake 35 km WNW of Three Rocks, California

A magnitude 2.7 earthquake struck 35 km WNW of Three Rocks, California on Sun, Feb 22, 1987, 6:49 PM PST (02:49 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 12 km NNE of Coalinga, 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
2.7 (md), micro
Local time
UTC
1987-02-23 02:49:37 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
36.596° N, 120.765° 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, 0.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
119°
Stations used
70

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 18 in the 30 days before it.

After

  1. 1.62 km NNE of Coalinga, California · 14456 days ago · 11 km deep · 61 km away
  2. 1.924 km ENE of Soledad, California · 14456 days ago · 2 km deep · 29 km away
  3. 1.612 km NNE of Coalinga, California · 14456 days ago · 8 km deep · 56 km away
  4. 2.812 km NNE of Coalinga, California · 14456 days ago · 6 km deep · 56 km away
  5. 2.621 km NE of Soledad, California · 14455 days ago · 2 km deep · 35 km away
  6. 2.026 km NE of Soledad, California · 14454 days ago · 8 km deep · 32 km away
  7. 2.97 km W of Lemoore Station, California · 14454 days ago · 23 km deep · 79 km away
  8. 2.63 km ESE of Kettleman City, California · 14454 days ago · 0 km deep · 100 km away
  9. 1.58 km ENE of San Martin, California · 14454 days ago · 7 km deep · 89 km away
  10. 1.914 km WSW of Soledad, California · 14454 days ago · 9 km deep · 68 km away
  11. 2.424 km ENE of Greenfield, California · 14454 days ago · 6 km deep · 28 km away
  12. 2.225 km ENE of Greenfield, California · 14454 days ago · 5 km deep · 28 km away
  13. 1.723 km ENE of Soledad, California · 14454 days ago · 4 km deep · 30 km away
  14. 1.76 km NE of Coalinga, California · 14453 days ago · 9 km deep · 62 km away
  15. 2.05 km SW of Gilroy, California · 14453 days ago · 4 km deep · 87 km away
  16. 1.813 km SSE of Tres Pinos, California · 14453 days ago · 5 km deep · 46 km away
  17. 1.924 km NE of Soledad, California · 14452 days ago · 10 km deep · 31 km away
  18. 2.426 km ENE of Soledad, California · 14452 days ago · 7 km deep · 28 km away
  19. 1.68 km ENE of Gilroy, California · 14451 days ago · 6 km deep · 80 km away
  20. 1.85 km ENE of Aromas, California · 14451 days ago · 7 km deep · 82 km away
  21. 2.57 km WNW of Kettleman City, California · 14451 days ago · 12 km deep · 91 km away
  22. 2.410 km S of Tres Pinos, California · 14451 days ago · 4 km deep · 51 km away
  23. 2.015 km SE of Tres Pinos, California · 14451 days ago · 12 km deep · 39 km away
  24. 1.67 km N of Coalinga, California · 14450 days ago · 9 km deep · 57 km away
  25. 1.95 km SSW of Ridgemark, California · 14450 days ago · 7 km deep · 59 km away
  26. 1.622 km ENE of Soledad, California · 14450 days ago · 5 km deep · 31 km away
  27. 1.58 km ENE of Tres Pinos, California · 14450 days ago · 9 km deep · 48 km away
  28. 1.715 km SE of Tres Pinos, California · 14449 days ago · 11 km deep · 39 km away
  29. 1.611 km ENE of Coalinga, California · 14449 days ago · 4 km deep · 67 km away
  30. 2.221 km NE of Soledad, California · 14448 days ago · 6 km deep · 38 km away
  31. 2.022 km NNE of Soledad, California · 14448 days ago · 4 km deep · 39 km away
  32. 2.54 km NNE of Coalinga, California · 14448 days ago · 14 km deep · 60 km away
  33. 3.39 km E of Coalinga, California · 14447 days ago · 2 km deep · 67 km away
  34. 1.78 km ENE of Hollister, California · 14447 days ago · 7 km deep · 59 km away
  35. 2.8Central California · 14447 days ago · 5 km deep · 61 km away
  36. 2.010 km SSW of San Lucas, California · 14447 days ago · 12 km deep · 67 km away
  37. 2.36 km N of Coalinga, California · 14447 days ago · 13 km deep · 57 km away
  38. 2.922 km NE of Soledad, California · 14446 days ago · 3 km deep · 37 km away
  39. 1.614 km NNW of Coalinga, California · 14446 days ago · 4 km deep · 48 km away
  40. 1.921 km NW of Parkfield, California · 14446 days ago · 4 km deep · 64 km away
  41. 2.24 km ESE of La Vina, California · 14445 days ago · 5 km deep · 69 km away
  42. 1.527 km ENE of Soledad, California · 14445 days ago · 9 km deep · 27 km away
  43. 1.725 km NW of Coalinga, California · 14445 days ago · 7 km deep · 38 km away
  44. 2.48 km ENE of Coalinga, California · 14445 days ago · 10 km deep · 64 km away
  45. 2.423 km NE of Soledad, California · 14445 days ago · 11 km deep · 34 km away
  46. 2.313 km WNW of La Vina, California · 14444 days ago · 5 km deep · 59 km away
  47. 1.96 km NE of Coalinga, California · 14444 days ago · 9 km deep · 62 km away
  48. 2.816 km NNW of San Simeon, California · 14443 days ago · 10 km deep · 100 km away
  49. 1.821 km NE of Soledad, California · 14441 days ago · 5 km deep · 35 km away
  50. 3.222 km NNE of Soledad, California · 14440 days ago · 6 km deep · 39 km away
  51. 1.722 km NNE of Soledad, California · 14440 days ago · 6 km deep · 39 km away
  52. 2.822 km NNE of Soledad, California · 14440 days ago · 6 km deep · 39 km away
  53. 1.722 km NNE of Soledad, California · 14440 days ago · 5 km deep · 39 km away
  54. 1.627 km NE of Soledad, California · 14440 days ago · 7 km deep · 30 km away
  55. 1.529 km ENE of Soledad, California · 14440 days ago · 7 km deep · 26 km away
  56. 1.66 km NE of Ridgemark, California · 14440 days ago · 2 km deep · 57 km away
  57. 2.96 km N of Avenal, California · 14439 days ago · 6 km deep · 82 km away
  58. 1.86 km ENE of Hollister, California · 14439 days ago · 6 km deep · 60 km away
  59. 1.622 km NNE of Soledad, California · 14439 days ago · 6 km deep · 40 km away
  60. 1.96 km NE of Tres Pinos, California · 14439 days ago · 8 km deep · 52 km away

The first 60 of 171.

Before

  1. 1.624 km NE of Greenfield, California · 14457 days ago · 6 km deep · 29 km away
  2. 2.422 km NNE of Soledad, California · 14457 days ago · 5 km deep · 40 km away
  3. 1.822 km NNE of Soledad, California · 14457 days ago · 6 km deep · 40 km away
  4. 1.72 km S of Parkfield, California · 14458 days ago · 9 km deep · 85 km away
  5. 1.922 km NNE of Soledad, California · 14458 days ago · 5 km deep · 39 km away
  6. 2.722 km SSE of Tres Pinos, California · 14458 days ago · 5 km deep · 40 km away
  7. 2.722 km SSE of Tres Pinos, California · 14458 days ago · 6 km deep · 40 km away
  8. 2.322 km NNE of Soledad, California · 14458 days ago · 5 km deep · 39 km away
  9. 3.322 km NNE of Soledad, California · 14458 days ago · 6 km deep · 39 km away
  10. 1.720 km NNW of Coalinga, California · 14458 days ago · 9 km deep · 43 km away
  11. 1.718 km SSE of Tres Pinos, California · 14458 days ago · 10 km deep · 44 km away
  12. 2.224 km WSW of Coalinga, California · 14459 days ago · 6 km deep · 61 km away
  13. 1.619 km WSW of Three Rocks, California · 14459 days ago · 15 km deep · 24 km away
  14. 1.724 km NW of Parkfield, California · 14459 days ago · 6 km deep · 61 km away
  15. 2.010 km ESE of Gilroy, California · 14460 days ago · 8 km deep · 75 km away
  16. 1.512 km WNW of Huron, California · 14461 days ago · 8 km deep · 62 km away
  17. 1.6Central California · 14461 days ago · 3 km deep · 28 km away
  18. 2.06 km ESE of San Lucas, California · 14461 days ago · 11 km deep · 58 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc95373 (also filed as ci717655). Read Tue, Sep 22, 2026, 4:04 PM UTC.