California earthquakes

M2.1 earthquake 5 km SSW of Gilroy, California

A magnitude 2.1 earthquake struck 5 km SSW of Gilroy, California on Tue, Apr 30, 2002, 5:44 AM PDT (12:44 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M4.9 5 km SSW of Gilroy, California. This one was a foreshock.

Gilroy forecastMore in California

Map

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

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The earthquake

Magnitude
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2002-04-30 12:44:24 UTC
Depth
4.1 km (2.5 mi), shallow
Epicenter
36.960° N, 121.592° 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 0.1 km horizontally, 0.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
29°
Stations used
60

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 172 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 2.023 km NNE of San Lucas, California · 8923 days ago · 5 km deep · 96 km away
  2. 2.03 km NE of Livermore, California · 8923 days ago · 5 km deep · 84 km away
  3. 1.96 km WSW of Gilroy, California · 8922 days ago · 4 km deep · 4 km away
  4. 3.15 km SSW of Gilroy, California · 8922 days ago · 4 km deep · 0 km away
  5. 1.55 km SSW of Gilroy, California · 8922 days ago · 4 km deep · 1 km away
  6. 1.517 km ESE of Livermore, California · 8921 days ago · 8 km deep · 72 km away
  7. 2.017 km SSE of Tres Pinos, California · 8921 days ago · 4 km deep · 47 km away
  8. 3.22 km NE of Aromas, California · 8919 days ago · 6 km deep · 7 km away
  9. 2.02 km NNE of Aromas, California · 8919 days ago · 5 km deep · 7 km away
  10. 1.65 km SSW of Gilroy, California · 8919 days ago · 4 km deep · 0 km away
  11. 1.75 km SSW of Gilroy, California · 8918 days ago · 3 km deep · 0 km away
  12. 2.65 km SSE of San Juan Bautista, California · 8918 days ago · 7 km deep · 19 km away
  13. 1.822 km NE of Soledad, California · 8918 days ago · 7 km deep · 63 km away
  14. 1.62 km NE of Aromas, California · 8918 days ago · 5 km deep · 7 km away
  15. 2.1Central California · 8918 days ago · 7 km deep · 19 km away
  16. 2.1Central California · 8917 days ago · 7 km deep · 19 km away
  17. 1.8Northern California · 8917 days ago · 10 km deep · 97 km away
  18. 1.616 km N of Morgan Hill, California · 8917 days ago · 6 km deep · 35 km away
  19. 1.66 km NNE of Milpitas, California · 8917 days ago · 0 km deep · 63 km away
  20. 1.53 km N of Aromas, California · 8916 days ago · 7 km deep · 7 km away
  21. 1.520 km ESE of Tres Pinos, California · 8915 days ago · 0 km deep · 51 km away
  22. 1.624 km NE of Soledad, California · 8915 days ago · 6 km deep · 55 km away
  23. 1.811 km ESE of Blackhawk, California · 8914 days ago · 13 km deep · 95 km away
  24. 2.537 km NE of King City, California · 8913 days ago · 15 km deep · 84 km away
  25. 1.713 km SSE of Tres Pinos, California · 8913 days ago · 3 km deep · 42 km away
  26. 1.622 km NE of Soledad, California · 8912 days ago · 8 km deep · 62 km away
  27. 2.329 km NE of Soledad, California · 8912 days ago · 5 km deep · 63 km away
  28. 2.08 km ENE of Milpitas, California · 8912 days ago · 5 km deep · 60 km away
  29. 1.65 km SW of Gilroy, California · 8911 days ago · 1 km deep · 3 km away
  30. 2.014 km E of Seven Trees, California · 8910 days ago · 2 km deep · 38 km away
  31. 4.95 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 1 km away · felt by 15,660
  32. 2.35 km SW of Gilroy, California · 8910 days ago · 8 km deep · 2 km away
  33. 1.94 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 1 km away
  34. 1.85 km SSW of Gilroy, California · 8910 days ago · 5 km deep · 1 km away
  35. 2.55 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 1 km away
  36. 2.85 km SW of Gilroy, California · 8910 days ago · 6 km deep · 2 km away
  37. 3.25 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 0 km away
  38. 1.95 km SSW of Gilroy, California · 8910 days ago · 7 km deep · 1 km away
  39. 1.75 km SW of Gilroy, California · 8910 days ago · 5 km deep · 1 km away
  40. 1.85 km SSW of Gilroy, California · 8910 days ago · 11 km deep · 0 km away
  41. 1.719 km SSE of Tres Pinos, California · 8910 days ago · 7 km deep · 49 km away
  42. 1.75 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 1 km away
  43. 2.010 km S of Tres Pinos, California · 8910 days ago · 9 km deep · 37 km away
  44. 1.95 km SSW of Gilroy, California · 8910 days ago · 6 km deep · 1 km away
  45. 1.740 km W of Three Rocks, California · 8909 days ago · 17 km deep · 85 km away
  46. 1.813 km S of Tres Pinos, California · 8909 days ago · 4 km deep · 42 km away
  47. 1.96 km NNE of Milpitas, California · 8909 days ago · 1 km deep · 64 km away
  48. 1.65 km SW of Gilroy, California · 8907 days ago · 6 km deep · 3 km away
  49. 1.64 km SW of Gilroy, California · 8907 days ago · 5 km deep · 2 km away
  50. 1.621 km NE of Soledad, California · 8907 days ago · 7 km deep · 60 km away
  51. 1.813 km S of Tres Pinos, California · 8907 days ago · 4 km deep · 42 km away
  52. 1.621 km NE of Soledad, California · 8905 days ago · 7 km deep · 56 km away
  53. 2.134 km W of Three Rocks, California · 8904 days ago · 13 km deep · 91 km away
  54. 1.55 km WNW of Newark, California · 8904 days ago · 4 km deep · 79 km away
  55. 3.312 km S of Tres Pinos, California · 8904 days ago · 5 km deep · 40 km away
  56. 2.611 km S of Tres Pinos, California · 8903 days ago · 4 km deep · 39 km away
  57. 1.817 km SSE of Tres Pinos, California · 8903 days ago · 4 km deep · 46 km away
  58. 1.64 km NNW of Aromas, California · 8903 days ago · 10 km deep · 8 km away
  59. 2.412 km S of Tres Pinos, California · 8903 days ago · 4 km deep · 40 km away
  60. 1.98 km ESE of East Foothills, California · 8903 days ago · 3 km deep · 45 km away

The first 60 of 172.

Before

  1. 1.816 km SSE of Tres Pinos, California · 8924 days ago · 5 km deep · 45 km away
  2. 3.15 km SSW of Gilroy, California · 8924 days ago · 5 km deep · 0 km away · felt by 71
  3. 1.723 km ENE of Soledad, California · 8924 days ago · 4 km deep · 69 km away
  4. 2.318 km SSE of Tres Pinos, California · 8925 days ago · 5 km deep · 48 km away
  5. 1.68 km SE of San Juan Bautista, California · 8925 days ago · 3 km deep · 22 km away
  6. 1.624 km NE of Greenfield, California · 8926 days ago · 5 km deep · 73 km away
  7. 1.718 km SSE of Tres Pinos, California · 8926 days ago · 6 km deep · 47 km away
  8. 2.016 km SSE of Tres Pinos, California · 8926 days ago · 4 km deep · 45 km away
  9. 2.516 km SSE of Tres Pinos, California · 8926 days ago · 5 km deep · 45 km away
  10. 1.617 km SSE of Tres Pinos, California · 8926 days ago · 6 km deep · 46 km away
  11. 1.624 km NE of Greenfield, California · 8926 days ago · 5 km deep · 74 km away
  12. 1.821 km NE of Soledad, California · 8927 days ago · 6 km deep · 57 km away
  13. 1.97 km WSW of Gilroy, California · 8927 days ago · 5 km deep · 5 km away
  14. 1.821 km NE of Soledad, California · 8928 days ago · 7 km deep · 60 km away
  15. 1.627 km W of Three Rocks, California · 8928 days ago · 7 km deep · 93 km away
  16. 2.728 km W of Three Rocks, California · 8928 days ago · 8 km deep · 92 km away
  17. 1.75 km NNE of Milpitas, California · 8929 days ago · 0 km deep · 62 km away
  18. 1.78 km ENE of San Martin, California · 8930 days ago · 7 km deep · 19 km away
  19. 1.92 km WSW of Hollister, California · 8930 days ago · 3 km deep · 19 km away
  20. 1.619 km NNE of King City, California · 8930 days ago · 0 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc21223661. Read Mon, Oct 5, 2026, 9:33 AM UTC.