California earthquakes

M2.1 earthquake 7 km WSW of Gilroy, California

A magnitude 2.1 earthquake struck 7 km WSW of Gilroy, California on Tue, Apr 17, 1990, 4:23 PM PDT (23:23 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M5.4 5 km NNW of Aromas, 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
1990-04-17 23:23:34 UTC
Depth
4.2 km (2.6 mi), shallow
Epicenter
36.991° N, 121.651° 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
±0.13
Depth from
From location
Station coverage gap
41°
Stations used
69

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 146 in the 30 days before it.

After

  1. 1.88 km NE of San Martin, California · 13317 days ago · 7 km deep · 19 km away
  2. 4.33 km N of Aromas, California · 13317 days ago · 6 km deep · 8 km away
  3. 4.74 km N of Aromas, California · 13317 days ago · 4 km deep · 7 km away
  4. 4.94 km NNW of Aromas, California · 13317 days ago · 6 km deep · 7 km away
  5. 5.45 km NNW of Aromas, California · 13317 days ago · 5 km deep · 7 km away
  6. 1.75 km ENE of Interlaken, California · 13317 days ago · 5 km deep · 4 km away
  7. 2.84 km N of Aromas, California · 13317 days ago · 6 km deep · 7 km away
  8. 2.35 km NNW of Aromas, California · 13317 days ago · 6 km deep · 6 km away
  9. 2.14 km N of Aromas, California · 13317 days ago · 6 km deep · 7 km away
  10. 2.14 km ENE of Interlaken, California · 13317 days ago · 6 km deep · 4 km away
  11. 2.32 km NNE of Aromas, California · 13317 days ago · 4 km deep · 9 km away
  12. 2.92 km NE of Aromas, California · 13317 days ago · 6 km deep · 10 km away
  13. 2.15 km NNW of Aromas, California · 13317 days ago · 6 km deep · 6 km away
  14. 2.05 km E of Interlaken, California · 13317 days ago · 6 km deep · 4 km away
  15. 2.92 km NNW of Aromas, California · 13317 days ago · 7 km deep · 8 km away
  16. 2.43 km N of Aromas, California · 13317 days ago · 7 km deep · 8 km away
  17. 4.03 km NNW of Aromas, California · 13317 days ago · 8 km deep · 8 km away
  18. 2.23 km N of Aromas, California · 13317 days ago · 7 km deep · 8 km away
  19. 2.03 km N of Aromas, California · 13317 days ago · 6 km deep · 8 km away
  20. 4.45 km E of Interlaken, California · 13317 days ago · 7 km deep · 6 km away
  21. 4.05 km E of Interlaken, California · 13317 days ago · 7 km deep · 5 km away
  22. 5.14 km E of Interlaken, California · 13317 days ago · 7 km deep · 5 km away
  23. 3.65 km E of Interlaken, California · 13317 days ago · 8 km deep · 5 km away
  24. 1.95 km E of Interlaken, California · 13317 days ago · 7 km deep · 6 km away
  25. 2.54 km E of Interlaken, California · 13317 days ago · 7 km deep · 5 km away
  26. 1.55 km NNW of Aromas, California · 13317 days ago · 7 km deep · 7 km away
  27. 2.03 km N of Aromas, California · 13317 days ago · 6 km deep · 8 km away
  28. 1.55 km E of Interlaken, California · 13317 days ago · 7 km deep · 6 km away
  29. 2.74 km NNW of Aromas, California · 13317 days ago · 8 km deep · 7 km away
  30. 1.94 km NNW of Aromas, California · 13317 days ago · 8 km deep · 7 km away
  31. 3.75 km ESE of Interlaken, California · 13317 days ago · 8 km deep · 6 km away
  32. 1.93 km NNW of Aromas, California · 13317 days ago · 8 km deep · 8 km away
  33. 1.64 km NNW of Aromas, California · 13317 days ago · 9 km deep · 8 km away
  34. 3.95 km ESE of Interlaken, California · 13317 days ago · 8 km deep · 6 km away
  35. 2.54 km ENE of Interlaken, California · 13317 days ago · 6 km deep · 5 km away
  36. 1.54 km E of Interlaken, California · 13317 days ago · 7 km deep · 5 km away
  37. 3.04 km ENE of Interlaken, California · 13317 days ago · 6 km deep · 4 km away
  38. 1.94 km NNW of Aromas, California · 13317 days ago · 6 km deep · 7 km away
  39. 1.76 km ENE of Interlaken, California · 13317 days ago · 2 km deep · 2 km away
  40. 1.84 km NNW of Aromas, California · 13317 days ago · 7 km deep · 7 km away
  41. 2.13 km NNW of Aromas, California · 13317 days ago · 8 km deep · 8 km away
  42. 2.04 km NNW of Aromas, California · 13317 days ago · 8 km deep · 7 km away
  43. 1.54 km N of Aromas, California · 13317 days ago · 2 km deep · 7 km away
  44. 1.63 km N of Aromas, California · 13317 days ago · 2 km deep · 7 km away
  45. 2.15 km NNW of Aromas, California · 13317 days ago · 7 km deep · 6 km away
  46. 1.78 km SSE of Pescadero, California · 13317 days ago · 13 km deep · 65 km away
  47. 1.91 km NNE of Aromas, California · 13317 days ago · 7 km deep · 10 km away
  48. 1.56 km ENE of Interlaken, California · 13317 days ago · 2 km deep · 2 km away
  49. 2.93 km NNW of Aromas, California · 13317 days ago · 9 km deep · 9 km away
  50. 2.34 km N of Aromas, California · 13317 days ago · 2 km deep · 7 km away
  51. 2.41 km NNE of Aromas, California · 13317 days ago · 7 km deep · 10 km away
  52. 1.77 km NE of Corralitos, California · 13317 days ago · 7 km deep · 9 km away
  53. 1.73 km NNW of Aromas, California · 13317 days ago · 2 km deep · 8 km away
  54. 1.82 km NNW of Aromas, California · 13317 days ago · 8 km deep · 9 km away
  55. 1.85 km E of Interlaken, California · 13316 days ago · 5 km deep · 4 km away
  56. 1.92 km N of Aromas, California · 13316 days ago · 6 km deep · 9 km away
  57. 1.93 km N of Aromas, California · 13316 days ago · 3 km deep · 8 km away
  58. 1.74 km NE of Interlaken, California · 13316 days ago · 6 km deep · 5 km away
  59. 1.66 km ENE of Interlaken, California · 13316 days ago · 3 km deep · 2 km away
  60. 1.65 km SW of Gilroy, California · 13316 days ago · 3 km deep · 3 km away

The first 60 of 186.

Before

  1. 2.57 km WSW of Gilroy, California · 13318 days ago · 4 km deep · 0 km away
  2. 1.54 km NNW of Day Valley, California · 13318 days ago · 14 km deep · 23 km away
  3. 1.67 km NW of Day Valley, California · 13318 days ago · 11 km deep · 25 km away
  4. 3.112 km S of Tres Pinos, California · 13319 days ago · 4 km deep · 47 km away
  5. 2.512 km S of Tres Pinos, California · 13319 days ago · 4 km deep · 47 km away
  6. 1.918 km NE of East Foothills, California · 13319 days ago · 7 km deep · 58 km away
  7. 1.624 km NE of Soledad, California · 13319 days ago · 10 km deep · 63 km away
  8. 1.624 km NE of Soledad, California · 13319 days ago · 10 km deep · 62 km away
  9. 1.77 km NE of Hollister, California · 13320 days ago · 7 km deep · 29 km away
  10. 2.11 km NNW of Lexington Hills, California · 13320 days ago · 7 km deep · 36 km away
  11. 2.124 km ENE of Greenfield, California · 13321 days ago · 5 km deep · 88 km away
  12. 1.88 km ENE of San Martin, California · 13321 days ago · 7 km deep · 19 km away
  13. 1.67 km S of Tres Pinos, California · 13321 days ago · 9 km deep · 42 km away
  14. 1.78 km ENE of Morgan Hill, California · 13321 days ago · 2 km deep · 20 km away
  15. 2.15 km ESE of Interlaken, California · 13321 days ago · 13 km deep · 7 km away
  16. 1.73 km N of Interlaken, California · 13321 days ago · 12 km deep · 7 km away
  17. 1.52 km SW of San Juan Bautista, California · 13322 days ago · 6 km deep · 20 km away
  18. 1.83 km SW of Hollister, California · 13322 days ago · 7 km deep · 27 km away
  19. 1.615 km E of Seven Trees, California · 13322 days ago · 2 km deep · 33 km away
  20. 2.69 km ESE of East Foothills, California · 13323 days ago · 7 km deep · 40 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc156115. Read Sat, Oct 3, 2026, 1:19 PM UTC.