California earthquakes

M1.6 earthquake 2 km E of Aromas, California

A magnitude 1.6 earthquake struck 2 km E of Aromas, California on Sun, Sep 9, 1990, 7:19 PM PDT (02:19 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.4 14 km S of Tres Pinos, California. This one was a foreshock.

Aromas 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
1990-09-10 02:19:17 UTC
Depth
6.4 km (4.0 mi), shallow
Epicenter
36.888° N, 121.619° 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
±0.17
Depth from
From location
Station coverage gap
50°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 178 in the 60 days after this one and 155 in the 30 days before it.

After

  1. 2.11 km ENE of Aromas, California · 13173 days ago · 7 km deep · 1 km away
  2. 1.71 km ENE of Aromas, California · 13173 days ago · 7 km deep · 1 km away
  3. 2.112 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 37 km away
  4. 1.712 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 37 km away
  5. 1.83 km NNE of San Juan Bautista, California · 13172 days ago · 7 km deep · 8 km away
  6. 2.13 km NNE of San Juan Bautista, California · 13172 days ago · 7 km deep · 8 km away
  7. 1.911 km S of Tres Pinos, California · 13172 days ago · 5 km deep · 35 km away
  8. 1.97 km NNE of Hollister, California · 13172 days ago · 6 km deep · 24 km away
  9. 2.512 km S of Tres Pinos, California · 13172 days ago · 6 km deep · 37 km away
  10. 1.814 km S of Tres Pinos, California · 13172 days ago · 7 km deep · 38 km away
  11. 4.414 km S of Tres Pinos, California · 13172 days ago · 8 km deep · 38 km away
  12. 2.214 km SSE of Tres Pinos, California · 13172 days ago · 7 km deep · 39 km away
  13. 2.015 km SSE of Tres Pinos, California · 13172 days ago · 6 km deep · 39 km away
  14. 2.58 km SSE of San Juan Bautista, California · 13172 days ago · 7 km deep · 16 km away
  15. 1.94 km WNW of Day Valley, California · 13172 days ago · 16 km deep · 32 km away
  16. 1.84 km ESE of Interlaken, California · 13171 days ago · 10 km deep · 8 km away
  17. 1.79 km ESE of Lexington Hills, California · 13171 days ago · 2 km deep · 35 km away
  18. 1.616 km SE of Livermore, California · 13171 days ago · 7 km deep · 75 km away
  19. 1.721 km NE of Soledad, California · 13171 days ago · 6 km deep · 55 km away
  20. 2.512 km S of Tres Pinos, California · 13170 days ago · 4 km deep · 37 km away
  21. 1.57 km SW of Monte Sereno, California · 13170 days ago · 13 km deep · 52 km away
  22. 1.6Northern California · 13169 days ago · 6 km deep · 77 km away
  23. 2.215 km SSE of Tres Pinos, California · 13169 days ago · 6 km deep · 40 km away
  24. 2.312 km S of Tres Pinos, California · 13168 days ago · 4 km deep · 36 km away
  25. 2.01 km SW of Hollister, California · 13168 days ago · 8 km deep · 19 km away
  26. 1.812 km S of Tres Pinos, California · 13168 days ago · 3 km deep · 36 km away
  27. 1.612 km S of Tres Pinos, California · 13167 days ago · 4 km deep · 37 km away
  28. 2.214 km SSE of Tres Pinos, California · 13167 days ago · 5 km deep · 39 km away
  29. 1.619 km SSE of Tres Pinos, California · 13166 days ago · 6 km deep · 45 km away
  30. 2.322 km NE of Soledad, California · 13166 days ago · 3 km deep · 53 km away
  31. 1.91 km E of Aromas, California · 13166 days ago · 8 km deep · 1 km away
  32. 2.117 km SSE of Livermore, California · 13166 days ago · 7 km deep · 73 km away
  33. 2.31 km E of Aromas, California · 13166 days ago · 9 km deep · 1 km away
  34. 2.021 km SSE of Tres Pinos, California · 13166 days ago · 4 km deep · 47 km away
  35. 3.015 km SSE of Tres Pinos, California · 13165 days ago · 7 km deep · 40 km away
  36. 1.9Central California · 13165 days ago · 7 km deep · 40 km away
  37. 1.9Northern California · 13165 days ago · 13 km deep · 30 km away
  38. 1.630 km SE of Tres Pinos, California · 13165 days ago · 9 km deep · 59 km away
  39. 1.6Central California · 13165 days ago · 6 km deep · 40 km away
  40. 3.0Central California · 13165 days ago · 7 km deep · 40 km away
  41. 1.615 km SSE of Tres Pinos, California · 13165 days ago · 6 km deep · 40 km away
  42. 2.121 km NE of Soledad, California · 13165 days ago · 7 km deep · 56 km away
  43. 2.4Central California · 13165 days ago · 9 km deep · 1 km away
  44. 2.16 km NE of East Foothills, California · 13165 days ago · 7 km deep · 61 km away
  45. 1.95 km ESE of Interlaken, California · 13165 days ago · 10 km deep · 8 km away
  46. 1.712 km S of Tres Pinos, California · 13165 days ago · 4 km deep · 36 km away
  47. 1.515 km SSE of Tres Pinos, California · 13164 days ago · 6 km deep · 40 km away
  48. 1.923 km ENE of Soledad, California · 13164 days ago · 4 km deep · 63 km away
  49. 1.828 km SW of South Dos Palos, California · 13164 days ago · 5 km deep · 68 km away
  50. 1.629 km SW of South Dos Palos, California · 13164 days ago · 1 km deep · 67 km away
  51. 1.521 km NE of Soledad, California · 13164 days ago · 2 km deep · 55 km away
  52. 1.79 km N of Hollister, California · 13164 days ago · 8 km deep · 18 km away
  53. 2.85 km WNW of San Juan Bautista, California · 13163 days ago · 7 km deep · 4 km away
  54. 2.214 km SSE of Tres Pinos, California · 13163 days ago · 7 km deep · 39 km away
  55. 1.714 km S of Tres Pinos, California · 13163 days ago · 8 km deep · 39 km away
  56. 2.38 km N of East Foothills, California · 13163 days ago · 6 km deep · 66 km away
  57. 1.725 km ENE of Greenfield, California · 13162 days ago · -1 km deep · 74 km away
  58. 3.034 km ENE of Soledad, California · 13162 days ago · 5 km deep · 69 km away
  59. 2.02 km E of Aromas, California · 13162 days ago · 7 km deep · 0 km away
  60. 2.037 km WSW of Three Rocks, California · 13162 days ago · 10 km deep · 90 km away

The first 60 of 178.

Before

  1. 1.61 km ENE of Aromas, California · 13173 days ago · 6 km deep · 1 km away
  2. 3.51 km ENE of Aromas, California · 13173 days ago · 7 km deep · 1 km away
  3. 2.57 km ENE of Gilroy, California · 13173 days ago · 6 km deep · 20 km away
  4. 2.112 km S of Tres Pinos, California · 13173 days ago · 6 km deep · 37 km away
  5. 1.813 km S of Tres Pinos, California · 13173 days ago · 4 km deep · 37 km away
  6. 2.312 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 37 km away
  7. 2.012 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 37 km away
  8. 1.711 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 35 km away
  9. 1.811 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 35 km away
  10. 1.95 km SE of Sunol, California · 13174 days ago · 6 km deep · 77 km away
  11. 1.95 km SE of Sunol, California · 13174 days ago · 6 km deep · 77 km away
  12. 1.611 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 35 km away
  13. 1.613 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 38 km away
  14. 2.812 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 37 km away
  15. 3.112 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 37 km away
  16. 1.612 km S of Tres Pinos, California · 13174 days ago · 5 km deep · 36 km away
  17. 1.811 km S of Tres Pinos, California · 13174 days ago · 5 km deep · 35 km away
  18. 1.912 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 37 km away
  19. 1.911 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 35 km away
  20. 3.712 km S of Tres Pinos, California · 13174 days ago · 7 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc163896. Read Sat, Oct 3, 2026, 11:33 PM UTC.