California earthquakes

M1.6 earthquake Central California

A magnitude 1.6 earthquake struck in Central California on Mon, Sep 17, 1990, 7:50 AM PDT (14:50 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.6 3 km S of San Juan Bautista, 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
1990-09-17 14:50:25 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
36.654° N, 121.279° 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
±0.21
Depth from
From location
Station coverage gap
60°
Stations used
30

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 185 in the 30 days before it.

After

  1. 3.0Central California · 13165 days ago · 7 km deep · 0 km away
  2. 1.615 km SSE of Tres Pinos, California · 13165 days ago · 6 km deep · 0 km away
  3. 2.121 km NE of Soledad, California · 13165 days ago · 7 km deep · 16 km away
  4. 2.4Central California · 13165 days ago · 9 km deep · 41 km away
  5. 1.9Near the coast of Central California · 13165 days ago · 8 km deep · 96 km away
  6. 2.16 km NE of East Foothills, California · 13165 days ago · 7 km deep · 96 km away
  7. 1.95 km ESE of Interlaken, California · 13165 days ago · 10 km deep · 48 km away
  8. 1.712 km S of Tres Pinos, California · 13165 days ago · 4 km deep · 4 km away
  9. 1.515 km SSE of Tres Pinos, California · 13164 days ago · 6 km deep · 0 km away
  10. 1.923 km ENE of Soledad, California · 13164 days ago · 4 km deep · 23 km away
  11. 1.828 km SW of South Dos Palos, California · 13164 days ago · 5 km deep · 39 km away
  12. 1.629 km SW of South Dos Palos, California · 13164 days ago · 1 km deep · 38 km away
  13. 1.521 km NE of Soledad, California · 13164 days ago · 2 km deep · 15 km away
  14. 1.79 km N of Hollister, California · 13164 days ago · 8 km deep · 34 km away
  15. 2.85 km WNW of San Juan Bautista, California · 13163 days ago · 7 km deep · 36 km away
  16. 2.214 km SSE of Tres Pinos, California · 13163 days ago · 7 km deep · 1 km away
  17. 1.714 km S of Tres Pinos, California · 13163 days ago · 8 km deep · 1 km away
  18. 1.725 km ENE of Greenfield, California · 13162 days ago · -1 km deep · 34 km away
  19. 3.034 km ENE of Soledad, California · 13162 days ago · 5 km deep · 30 km away
  20. 2.02 km E of Aromas, California · 13162 days ago · 7 km deep · 40 km away
  21. 2.424 km ENE of San Ardo, California · 13162 days ago · 9 km deep · 80 km away
  22. 2.037 km WSW of Three Rocks, California · 13162 days ago · 10 km deep · 50 km away
  23. 2.06 km NE of East Foothills, California · 13162 days ago · 10 km deep · 97 km away
  24. 1.57 km SSE of San Juan Bautista, California · 13162 days ago · 8 km deep · 25 km away
  25. 1.75 km NE of Amesti, California · 13162 days ago · 11 km deep · 57 km away
  26. 2.121 km NE of Soledad, California · 13161 days ago · 7 km deep · 18 km away
  27. 3.214 km SSE of Tres Pinos, California · 13160 days ago · 8 km deep · 1 km away
  28. 3.214 km SSE of Tres Pinos, California · 13160 days ago · 8 km deep · 1 km away
  29. 3.115 km SSE of Tres Pinos, California · 13160 days ago · 8 km deep · 1 km away
  30. 1.736 km SSW of South Dos Palos, California · 13160 days ago · 1 km deep · 38 km away
  31. 2.014 km S of Tres Pinos, California · 13160 days ago · 7 km deep · 1 km away
  32. 1.815 km SSE of Tres Pinos, California · 13160 days ago · 7 km deep · 1 km away
  33. 3.63 km S of San Juan Bautista, California · 13160 days ago · 7 km deep · 29 km away
  34. 3.24 km SSE of San Juan Bautista, California · 13160 days ago · 5 km deep · 27 km away
  35. 3.03 km S of San Juan Bautista, California · 13160 days ago · 6 km deep · 29 km away
  36. 2.65 km SSE of San Juan Bautista, California · 13160 days ago · 6 km deep · 27 km away
  37. 1.93 km S of San Juan Bautista, California · 13160 days ago · 6 km deep · 29 km away
  38. 1.511 km S of Tres Pinos, California · 13160 days ago · 3 km deep · 5 km away
  39. 2.26 km E of East Foothills, California · 13160 days ago · 6 km deep · 91 km away
  40. 1.514 km SSE of Tres Pinos, California · 13158 days ago · 6 km deep · 1 km away
  41. 2.014 km E of Seven Trees, California · 13158 days ago · 6 km deep · 80 km away
  42. 2.62 km ESE of Aromas, California · 13158 days ago · 6 km deep · 39 km away
  43. 1.99 km W of Three Rocks, California · 13158 days ago · 0 km deep · 72 km away
  44. 1.92 km ESE of Aromas, California · 13158 days ago · 7 km deep · 39 km away
  45. 1.73 km S of San Juan Bautista, California · 13158 days ago · 6 km deep · 29 km away
  46. 1.913 km S of Tres Pinos, California · 13156 days ago · 4 km deep · 3 km away
  47. 1.721 km SW of Diablo Grande, California · 13156 days ago · 7 km deep · 72 km away
  48. 2.37 km SSE of Gilroy, California · 13156 days ago · 4 km deep · 40 km away
  49. 1.715 km SSE of Tres Pinos, California · 13155 days ago · 7 km deep · 1 km away
  50. 1.72 km N of Scotts Valley, California · 13155 days ago · 10 km deep · 80 km away
  51. 1.52 km N of Scotts Valley, California · 13155 days ago · 10 km deep · 80 km away
  52. 2.323 km ENE of San Lucas, California · 13155 days ago · 7 km deep · 62 km away
  53. 1.74 km WNW of San Juan Bautista, California · 13155 days ago · 6 km deep · 36 km away
  54. 2.122 km NE of Soledad, California · 13154 days ago · 3 km deep · 13 km away
  55. 1.913 km S of Tres Pinos, California · 13154 days ago · 5 km deep · 2 km away
  56. 2.414 km SSE of Tres Pinos, California · 13154 days ago · 8 km deep · 1 km away
  57. 1.814 km S of Tres Pinos, California · 13154 days ago · 8 km deep · 2 km away
  58. 1.614 km S of Tres Pinos, California · 13154 days ago · 8 km deep · 2 km away
  59. 1.52 km ESE of Zayante, California · 13153 days ago · 8 km deep · 81 km away
  60. 1.62 km N of Scotts Valley, California · 13153 days ago · 10 km deep · 81 km away

The first 60 of 194.

Before

  1. 1.630 km SE of Tres Pinos, California · 13165 days ago · 9 km deep · 20 km away
  2. 1.9Northern California · 13165 days ago · 13 km deep · 70 km away
  3. 1.9Central California · 13165 days ago · 7 km deep · 0 km away
  4. 3.015 km SSE of Tres Pinos, California · 13165 days ago · 7 km deep · 0 km away
  5. 1.722 km NE of San Ardo, California · 13166 days ago · 3 km deep · 71 km away
  6. 2.021 km SSE of Tres Pinos, California · 13166 days ago · 4 km deep · 7 km away
  7. 2.31 km E of Aromas, California · 13166 days ago · 9 km deep · 41 km away
  8. 1.91 km E of Aromas, California · 13166 days ago · 8 km deep · 41 km away
  9. 2.322 km NE of Soledad, California · 13166 days ago · 3 km deep · 13 km away
  10. 1.619 km SSE of Tres Pinos, California · 13166 days ago · 6 km deep · 5 km away
  11. 1.722 km ENE of San Ardo, California · 13166 days ago · 3 km deep · 82 km away
  12. 1.810 km N of Coalinga, California · 13167 days ago · 10 km deep · 94 km away
  13. 1.710 km N of Coalinga, California · 13167 days ago · 9 km deep · 94 km away
  14. 2.214 km SSE of Tres Pinos, California · 13167 days ago · 5 km deep · 1 km away
  15. 2.124 km ENE of San Ardo, California · 13167 days ago · 9 km deep · 81 km away
  16. 1.612 km S of Tres Pinos, California · 13167 days ago · 4 km deep · 3 km away
  17. 1.812 km S of Tres Pinos, California · 13168 days ago · 3 km deep · 4 km away
  18. 2.123 km NW of Parkfield, California · 13168 days ago · 4 km deep · 90 km away
  19. 2.01 km SW of Hollister, California · 13168 days ago · 8 km deep · 24 km away
  20. 2.312 km S of Tres Pinos, California · 13168 days ago · 4 km deep · 4 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc164216. Read Sat, Oct 3, 2026, 11:12 PM UTC.