California earthquakes

M1.6 earthquake 27 km W of Three Rocks, California

A magnitude 1.6 earthquake struck 27 km W of Three Rocks, California on Thu, Apr 25, 2002, 9:25 PM PDT (04:25 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.9 5 km SSW of Gilroy, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-04-26 04:25:23 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
36.533° N, 120.700° 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 0.7 km horizontally, 2.4 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 81 in the 30 days before it.

After

  1. 1.821 km NE of Soledad, California · 8928 days ago · 7 km deep · 41 km away
  2. 1.97 km WSW of Gilroy, California · 8927 days ago · 5 km deep · 98 km away
  3. 1.821 km NE of Soledad, California · 8927 days ago · 6 km deep · 42 km away
  4. 1.624 km NE of Greenfield, California · 8927 days ago · 5 km deep · 31 km away
  5. 2.021 km ENE of San Ardo, California · 8926 days ago · 4 km deep · 46 km away
  6. 1.617 km SSE of Tres Pinos, California · 8926 days ago · 6 km deep · 51 km away
  7. 2.516 km SSE of Tres Pinos, California · 8926 days ago · 5 km deep · 52 km away
  8. 2.016 km SSE of Tres Pinos, California · 8926 days ago · 4 km deep · 53 km away
  9. 1.718 km SSE of Tres Pinos, California · 8926 days ago · 6 km deep · 51 km away
  10. 1.624 km NE of Greenfield, California · 8926 days ago · 5 km deep · 32 km away
  11. 2.29 km NW of Parkfield, California · 8925 days ago · 5 km deep · 66 km away
  12. 1.68 km SE of San Juan Bautista, California · 8925 days ago · 3 km deep · 75 km away
  13. 2.318 km SSE of Tres Pinos, California · 8925 days ago · 5 km deep · 50 km away
  14. 1.723 km ENE of Soledad, California · 8924 days ago · 4 km deep · 34 km away
  15. 3.15 km SSW of Gilroy, California · 8924 days ago · 5 km deep · 93 km away · felt by 71
  16. 1.816 km SSE of Tres Pinos, California · 8924 days ago · 5 km deep · 52 km away
  17. 2.15 km SSW of Gilroy, California · 8924 days ago · 4 km deep · 93 km away
  18. 2.023 km NNE of San Lucas, California · 8924 days ago · 5 km deep · 30 km away
  19. 1.96 km WSW of Gilroy, California · 8922 days ago · 4 km deep · 96 km away
  20. 3.15 km SSW of Gilroy, California · 8922 days ago · 4 km deep · 93 km away
  21. 1.55 km SSW of Gilroy, California · 8922 days ago · 4 km deep · 92 km away
  22. 2.07 km NW of Avenal, California · 8921 days ago · 9 km deep · 70 km away
  23. 2.017 km SSE of Tres Pinos, California · 8921 days ago · 4 km deep · 51 km away
  24. 3.22 km NE of Aromas, California · 8919 days ago · 6 km deep · 93 km away
  25. 2.02 km NNE of Aromas, California · 8919 days ago · 5 km deep · 93 km away
  26. 1.65 km SSW of Gilroy, California · 8919 days ago · 4 km deep · 93 km away
  27. 1.611 km S of Stratford, California · 8919 days ago · 7 km deep · 92 km away
  28. 1.75 km SSW of Gilroy, California · 8919 days ago · 3 km deep · 93 km away
  29. 2.65 km SSE of San Juan Bautista, California · 8918 days ago · 7 km deep · 79 km away
  30. 2.122 km ENE of San Lucas, California · 8918 days ago · 8 km deep · 36 km away
  31. 1.822 km NE of Soledad, California · 8918 days ago · 7 km deep · 38 km away
  32. 1.62 km NE of Aromas, California · 8918 days ago · 5 km deep · 92 km away
  33. 2.1Central California · 8918 days ago · 7 km deep · 79 km away
  34. 2.1Central California · 8918 days ago · 7 km deep · 78 km away
  35. 1.53 km N of Aromas, California · 8916 days ago · 7 km deep · 95 km away
  36. 1.714 km WSW of Coalinga, California · 8916 days ago · 5 km deep · 51 km away
  37. 3.210 km N of Coalinga, California · 8916 days ago · 9 km deep · 46 km away
  38. 1.912 km SSE of Parkfield, California · 8916 days ago · 8 km deep · 86 km away
  39. 1.520 km ESE of Tres Pinos, California · 8916 days ago · 0 km deep · 42 km away
  40. 1.624 km NE of Soledad, California · 8915 days ago · 6 km deep · 42 km away
  41. 2.537 km NE of King City, California · 8914 days ago · 15 km deep · 16 km away
  42. 1.713 km SSE of Tres Pinos, California · 8913 days ago · 3 km deep · 55 km away
  43. 2.07 km SW of Kettleman City, California · 8913 days ago · 22 km deep · 87 km away
  44. 1.622 km NE of Soledad, California · 8913 days ago · 8 km deep · 38 km away
  45. 2.329 km NE of Soledad, California · 8912 days ago · 5 km deep · 33 km away
  46. 1.65 km SW of Gilroy, California · 8911 days ago · 1 km deep · 95 km away
  47. 4.95 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 93 km away · felt by 15,660
  48. 2.35 km SW of Gilroy, California · 8910 days ago · 8 km deep · 95 km away
  49. 1.94 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 93 km away
  50. 1.85 km SSW of Gilroy, California · 8910 days ago · 5 km deep · 93 km away
  51. 2.55 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 94 km away
  52. 2.85 km SW of Gilroy, California · 8910 days ago · 6 km deep · 95 km away
  53. 3.25 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 93 km away
  54. 1.95 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 93 km away
  55. 1.75 km SW of Gilroy, California · 8910 days ago · 5 km deep · 94 km away
  56. 1.85 km SSW of Gilroy, California · 8910 days ago · 11 km deep · 93 km away
  57. 1.719 km SSE of Tres Pinos, California · 8910 days ago · 7 km deep · 49 km away
  58. 1.75 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 93 km away
  59. 2.010 km S of Tres Pinos, California · 8910 days ago · 9 km deep · 60 km away
  60. 1.95 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 93 km away

The first 60 of 194.

Before

  1. 2.728 km W of Three Rocks, California · 8928 days ago · 8 km deep · 1 km away
  2. 2.52 km NNW of Parksdale, California · 8929 days ago · 16 km deep · 77 km away
  3. 1.74 km NW of Parkfield, California · 8930 days ago · 5 km deep · 71 km away
  4. 1.78 km ENE of San Martin, California · 8930 days ago · 7 km deep · 98 km away
  5. 1.92 km WSW of Hollister, California · 8930 days ago · 3 km deep · 74 km away
  6. 1.619 km NNE of King City, California · 8930 days ago · 0 km deep · 34 km away
  7. 2.04 km SSE of San Juan Bautista, California · 8930 days ago · 5 km deep · 79 km away
  8. 2.321 km NE of Soledad, California · 8930 days ago · 2 km deep · 41 km away
  9. 1.94 km ESE of Aromas, California · 8931 days ago · 8 km deep · 89 km away
  10. 3.63 km SE of Aromas, California · 8931 days ago · 9 km deep · 89 km away · felt by 235
  11. 1.628 km NE of San Lucas, California · 8931 days ago · 8 km deep · 27 km away
  12. 1.68 km SSE of San Juan Bautista, California · 8932 days ago · 10 km deep · 77 km away
  13. 1.626 km SE of Tres Pinos, California · 8932 days ago · 8 km deep · 39 km away
  14. 2.18 km SSE of San Juan Bautista, California · 8932 days ago · 10 km deep · 77 km away
  15. 1.622 km NE of Soledad, California · 8933 days ago · 3 km deep · 38 km away
  16. 2.125 km NE of Greenfield, California · 8933 days ago · 2 km deep · 29 km away
  17. 2.022 km ENE of San Ardo, California · 8933 days ago · 3 km deep · 50 km away
  18. 1.525 km ENE of Greenfield, California · 8934 days ago · -1 km deep · 29 km away
  19. 1.721 km NE of Soledad, California · 8934 days ago · 3 km deep · 41 km away
  20. 2.413 km E of Soledad, California · 8935 days ago · 4 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc30224282. Read Mon, Oct 5, 2026, 12:56 PM UTC.