California earthquakes

M2.1 earthquake 1 km ENE of Aromas, California

A magnitude 2.1 earthquake struck 1 km ENE of Aromas, California on Sun, Sep 9, 1990, 10:13 PM PDT (05:13 UTC), 7 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-09-10 05:13:12 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
36.893° N, 121.628° 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, 0.3 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
47°
Stations used
61

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. 1.71 km ENE of Aromas, California · 13173 days ago · 7 km deep · 0 km away
  2. 2.112 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 38 km away
  3. 1.712 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 38 km away
  4. 1.83 km NNE of San Juan Bautista, California · 13172 days ago · 7 km deep · 9 km away
  5. 2.13 km NNE of San Juan Bautista, California · 13172 days ago · 7 km deep · 9 km away
  6. 1.911 km S of Tres Pinos, California · 13172 days ago · 5 km deep · 36 km away
  7. 1.97 km NNE of Hollister, California · 13172 days ago · 6 km deep · 24 km away
  8. 2.512 km S of Tres Pinos, California · 13172 days ago · 6 km deep · 38 km away
  9. 1.814 km S of Tres Pinos, California · 13172 days ago · 7 km deep · 39 km away
  10. 4.414 km S of Tres Pinos, California · 13172 days ago · 8 km deep · 39 km away
  11. 2.214 km SSE of Tres Pinos, California · 13172 days ago · 7 km deep · 40 km away
  12. 2.015 km SSE of Tres Pinos, California · 13172 days ago · 6 km deep · 40 km away
  13. 2.58 km SSE of San Juan Bautista, California · 13172 days ago · 7 km deep · 17 km away
  14. 1.94 km WNW of Day Valley, California · 13172 days ago · 16 km deep · 31 km away
  15. 1.84 km ESE of Interlaken, California · 13171 days ago · 10 km deep · 7 km away
  16. 1.79 km ESE of Lexington Hills, California · 13171 days ago · 2 km deep · 34 km away
  17. 1.616 km SE of Livermore, California · 13171 days ago · 7 km deep · 74 km away
  18. 1.721 km NE of Soledad, California · 13171 days ago · 6 km deep · 56 km away
  19. 2.512 km S of Tres Pinos, California · 13170 days ago · 4 km deep · 38 km away
  20. 1.57 km SW of Monte Sereno, California · 13170 days ago · 13 km deep · 51 km away
  21. 1.6Northern California · 13169 days ago · 6 km deep · 76 km away
  22. 2.215 km SSE of Tres Pinos, California · 13169 days ago · 6 km deep · 41 km away
  23. 2.312 km S of Tres Pinos, California · 13168 days ago · 4 km deep · 37 km away
  24. 2.01 km SW of Hollister, California · 13168 days ago · 8 km deep · 20 km away
  25. 1.812 km S of Tres Pinos, California · 13168 days ago · 3 km deep · 37 km away
  26. 1.612 km S of Tres Pinos, California · 13167 days ago · 4 km deep · 38 km away
  27. 2.214 km SSE of Tres Pinos, California · 13167 days ago · 5 km deep · 40 km away
  28. 1.619 km SSE of Tres Pinos, California · 13166 days ago · 6 km deep · 46 km away
  29. 2.322 km NE of Soledad, California · 13166 days ago · 3 km deep · 54 km away
  30. 1.91 km E of Aromas, California · 13166 days ago · 8 km deep · 1 km away
  31. 2.117 km SSE of Livermore, California · 13166 days ago · 7 km deep · 73 km away
  32. 2.31 km E of Aromas, California · 13166 days ago · 9 km deep · 0 km away
  33. 2.021 km SSE of Tres Pinos, California · 13166 days ago · 4 km deep · 48 km away
  34. 3.015 km SSE of Tres Pinos, California · 13165 days ago · 7 km deep · 41 km away
  35. 1.9Central California · 13165 days ago · 7 km deep · 41 km away
  36. 1.9Northern California · 13165 days ago · 13 km deep · 29 km away
  37. 1.630 km SE of Tres Pinos, California · 13165 days ago · 9 km deep · 60 km away
  38. 1.6Central California · 13165 days ago · 6 km deep · 41 km away
  39. 3.0Central California · 13165 days ago · 7 km deep · 41 km away
  40. 1.615 km SSE of Tres Pinos, California · 13165 days ago · 6 km deep · 41 km away
  41. 2.121 km NE of Soledad, California · 13165 days ago · 7 km deep · 57 km away
  42. 2.4Central California · 13165 days ago · 9 km deep · 1 km away
  43. 2.16 km NE of East Foothills, California · 13165 days ago · 7 km deep · 60 km away
  44. 1.95 km ESE of Interlaken, California · 13165 days ago · 10 km deep · 7 km away
  45. 1.712 km S of Tres Pinos, California · 13165 days ago · 4 km deep · 37 km away
  46. 1.515 km SSE of Tres Pinos, California · 13165 days ago · 6 km deep · 41 km away
  47. 1.923 km ENE of Soledad, California · 13164 days ago · 4 km deep · 64 km away
  48. 1.828 km SW of South Dos Palos, California · 13164 days ago · 5 km deep · 69 km away
  49. 1.629 km SW of South Dos Palos, California · 13164 days ago · 1 km deep · 68 km away
  50. 1.521 km NE of Soledad, California · 13164 days ago · 2 km deep · 56 km away
  51. 1.79 km N of Hollister, California · 13164 days ago · 8 km deep · 19 km away
  52. 2.85 km WNW of San Juan Bautista, California · 13163 days ago · 7 km deep · 5 km away
  53. 2.214 km SSE of Tres Pinos, California · 13163 days ago · 7 km deep · 40 km away
  54. 1.714 km S of Tres Pinos, California · 13163 days ago · 8 km deep · 40 km away
  55. 2.38 km N of East Foothills, California · 13163 days ago · 6 km deep · 65 km away
  56. 1.725 km ENE of Greenfield, California · 13162 days ago · -1 km deep · 75 km away
  57. 3.034 km ENE of Soledad, California · 13162 days ago · 5 km deep · 70 km away
  58. 2.02 km E of Aromas, California · 13162 days ago · 7 km deep · 1 km away
  59. 2.037 km WSW of Three Rocks, California · 13162 days ago · 10 km deep · 91 km away
  60. 2.06 km NE of East Foothills, California · 13162 days ago · 10 km deep · 61 km away

The first 60 of 178.

Before

  1. 1.62 km E of Aromas, California · 13173 days ago · 6 km deep · 1 km away
  2. 1.61 km ENE of Aromas, California · 13173 days ago · 6 km deep · 0 km away
  3. 3.51 km ENE of Aromas, California · 13173 days ago · 7 km deep · 0 km away
  4. 2.57 km ENE of Gilroy, California · 13173 days ago · 6 km deep · 20 km away
  5. 2.112 km S of Tres Pinos, California · 13173 days ago · 6 km deep · 38 km away
  6. 1.813 km S of Tres Pinos, California · 13173 days ago · 4 km deep · 38 km away
  7. 2.312 km S of Tres Pinos, California · 13173 days ago · 5 km deep · 38 km away
  8. 2.012 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 38 km away
  9. 1.711 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 36 km away
  10. 1.811 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 36 km away
  11. 1.95 km SE of Sunol, California · 13174 days ago · 6 km deep · 76 km away
  12. 1.95 km SE of Sunol, California · 13174 days ago · 6 km deep · 76 km away
  13. 1.611 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 36 km away
  14. 1.613 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 39 km away
  15. 2.812 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 38 km away
  16. 3.112 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 38 km away
  17. 1.612 km S of Tres Pinos, California · 13174 days ago · 5 km deep · 37 km away
  18. 1.811 km S of Tres Pinos, California · 13174 days ago · 5 km deep · 36 km away
  19. 1.912 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 38 km away
  20. 1.911 km S of Tres Pinos, California · 13174 days ago · 6 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc163905. Read Sat, Oct 3, 2026, 11:40 PM UTC.