California earthquakes

M1.6 earthquake Central California

A magnitude 1.6 earthquake struck in Central California on Wed, Jul 4, 1990, 7:48 PM PDT (02:48 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 2 km ESE of Aromas, California. This one was a foreshock.

San Juan Bautista 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-07-05 02:48:06 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
36.860° N, 121.569° 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, 0.4 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
52°
Stations used
25

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 93 in the 30 days before it.

After

  1. 1.814 km E of Seven Trees, California · 13240 days ago · 3 km deep · 49 km away
  2. 2.06 km NE of East Foothills, California · 13239 days ago · 8 km deep · 66 km away
  3. 1.528 km ENE of Soledad, California · 13239 days ago · 5 km deep · 57 km away
  4. 2.23 km SW of Hollister, California · 13239 days ago · 6 km deep · 12 km away
  5. 1.614 km E of Seven Trees, California · 13238 days ago · 6 km deep · 49 km away
  6. 1.61 km WNW of Corralitos, California · 13237 days ago · 12 km deep · 27 km away
  7. 2.26 km SSE of San Juan Bautista, California · 13237 days ago · 7 km deep · 9 km away
  8. 2.440 km W of Three Rocks, California · 13237 days ago · 5 km deep · 74 km away
  9. 1.92 km WSW of San Juan Bautista, California · 13237 days ago · 6 km deep · 3 km away
  10. 1.89 km NNW of Big Sur, California · 13236 days ago · 12 km deep · 63 km away
  11. 1.94 km E of Interlaken, California · 13236 days ago · 6 km deep · 14 km away
  12. 2.923 km ENE of San Lucas, California · 13236 days ago · 6 km deep · 97 km away
  13. 1.823 km ENE of San Lucas, California · 13236 days ago · 6 km deep · 97 km away
  14. 1.54 km NNW of Day Valley, California · 13235 days ago · 14 km deep · 37 km away
  15. 2.26 km WNW of Day Valley, California · 13234 days ago · 16 km deep · 39 km away
  16. 2.17 km N of Interlaken, California · 13233 days ago · 6 km deep · 22 km away
  17. 2.02 km NNE of Amesti, California · 13233 days ago · 20 km deep · 22 km away
  18. 1.83 km W of San Juan Bautista, California · 13233 days ago · 5 km deep · 1 km away
  19. 2.139 km WSW of Davenport, California · 13232 days ago · 1 km deep · 89 km away
  20. 2.142 km SW of Davenport, California · 13232 days ago · 15 km deep · 90 km away
  21. 2.15 km ESE of Interlaken, California · 13232 days ago · 11 km deep · 13 km away
  22. 2.745 km SW of Davenport, California · 13231 days ago · 5 km deep · 93 km away
  23. 1.51 km WNW of Corralitos, California · 13231 days ago · 12 km deep · 27 km away
  24. 1.83 km W of Lexington Hills, California · 13231 days ago · 12 km deep · 52 km away
  25. 1.63 km W of Lexington Hills, California · 13231 days ago · 13 km deep · 52 km away
  26. 1.72 km WNW of Corralitos, California · 13231 days ago · 12 km deep · 28 km away
  27. 2.5Central California · 13231 days ago · 9 km deep · 2 km away
  28. 1.721 km NNE of Soledad, California · 13230 days ago · 6 km deep · 45 km away
  29. 1.6Central California · 13230 days ago · 6 km deep · 2 km away
  30. 2.21 km ESE of Aromas, California · 13229 days ago · 8 km deep · 6 km away
  31. 2.613 km N of Morgan Hill, California · 13229 days ago · 5 km deep · 44 km away
  32. 1.92 km SSW of Lexington Hills, California · 13229 days ago · 12 km deep · 48 km away
  33. 2.59 km SSW of Ridgemark, California · 13229 days ago · 6 km deep · 20 km away
  34. 1.931 km ENE of Soledad, California · 13229 days ago · 8 km deep · 58 km away
  35. 3.44 km ESE of Interlaken, California · 13229 days ago · 12 km deep · 13 km away
  36. 3.04 km ESE of Interlaken, California · 13229 days ago · 11 km deep · 13 km away
  37. 2.15 km ESE of Interlaken, California · 13229 days ago · 11 km deep · 13 km away
  38. 2.37 km NE of Hollister, California · 13228 days ago · 7 km deep · 21 km away
  39. 2.313 km N of Morgan Hill, California · 13228 days ago · 5 km deep · 44 km away
  40. 1.62 km SW of Lexington Hills, California · 13228 days ago · 12 km deep · 50 km away
  41. 1.613 km N of Morgan Hill, California · 13228 days ago · 5 km deep · 44 km away
  42. 1.713 km N of Morgan Hill, California · 13228 days ago · 3 km deep · 44 km away
  43. 2.137 km SSW of South Dos Palos, California · 13228 days ago · 7 km deep · 67 km away
  44. 1.64 km ESE of Aromas, California · 13227 days ago · 6 km deep · 3 km away
  45. 1.95 km ESE of Interlaken, California · 13227 days ago · 11 km deep · 13 km away
  46. 2.1Northern California · 13227 days ago · 15 km deep · 28 km away
  47. 1.716 km E of Seven Trees, California · 13227 days ago · 6 km deep · 48 km away
  48. 1.81 km ENE of Aromas, California · 13226 days ago · 5 km deep · 6 km away
  49. 2.35 km ESE of Interlaken, California · 13223 days ago · 10 km deep · 13 km away
  50. 1.84 km ESE of Interlaken, California · 13223 days ago · 11 km deep · 14 km away
  51. 1.77 km NE of Interlaken, California · 13223 days ago · 3 km deep · 17 km away
  52. 1.86 km NE of Interlaken, California · 13223 days ago · 3 km deep · 17 km away
  53. 1.818 km SE of Tres Pinos, California · 13223 days ago · 15 km deep · 41 km away
  54. 2.18 km SSW of Tres Pinos, California · 13223 days ago · 3 km deep · 24 km away
  55. 1.524 km ENE of Soledad, California · 13222 days ago · 1 km deep · 55 km away
  56. 2.23 km SE of Aromas, California · 13222 days ago · 9 km deep · 4 km away
  57. 2.910 km WSW of Ridgemark, California · 13221 days ago · 6 km deep · 14 km away
  58. 1.610 km WSW of Ridgemark, California · 13221 days ago · 7 km deep · 14 km away
  59. 2.56 km SW of Ridgemark, California · 13221 days ago · 9 km deep · 17 km away
  60. 2.230 km ENE of Soledad, California · 13221 days ago · 7 km deep · 57 km away

The first 60 of 176.

Before

  1. 1.824 km NE of Greenfield, California · 13241 days ago · 5 km deep · 65 km away
  2. 1.716 km SSE of Tres Pinos, California · 13242 days ago · 6 km deep · 35 km away
  3. 1.63 km W of Lexington Hills, California · 13242 days ago · 13 km deep · 52 km away
  4. 1.924 km NE of Soledad, California · 13242 days ago · 7 km deep · 50 km away
  5. 2.124 km NE of Greenfield, California · 13242 days ago · 5 km deep · 64 km away
  6. 1.619 km SW of Gonzales, California · 13243 days ago · 12 km deep · 53 km away
  7. 2.02 km NNW of Aromas, California · 13243 days ago · 9 km deep · 9 km away
  8. 1.72 km NNW of Aromas, California · 13243 days ago · 9 km deep · 9 km away
  9. 1.511 km S of Tres Pinos, California · 13243 days ago · 4 km deep · 29 km away
  10. 1.65 km NNE of Tres Pinos, California · 13243 days ago · 5 km deep · 25 km away
  11. 1.524 km ENE of Greenfield, California · 13245 days ago · 6 km deep · 69 km away
  12. 4.16 km NE of East Foothills, California · 13245 days ago · 8 km deep · 64 km away
  13. 1.54 km ENE of Tres Pinos, California · 13245 days ago · 8 km deep · 26 km away
  14. 1.86 km WSW of Gilroy, California · 13245 days ago · 5 km deep · 15 km away
  15. 1.61 km SW of Aptos Hills-Larkin Valley, California · 13245 days ago · 5 km deep · 27 km away
  16. 2.64 km NW of Day Valley, California · 13246 days ago · 13 km deep · 37 km away
  17. 2.014 km SSE of Tres Pinos, California · 13247 days ago · 4 km deep · 34 km away
  18. 1.62 km NNW of Aromas, California · 13247 days ago · 9 km deep · 9 km away
  19. 2.86 km E of Zayante, California · 13247 days ago · 6 km deep · 45 km away
  20. 1.94 km ESE of Interlaken, California · 13247 days ago · 10 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc160464. Read Sun, Oct 4, 2026, 4:02 PM UTC.