California earthquakes

M1.6 earthquake 3 km N of Aromas, California

A magnitude 1.6 earthquake struck 3 km N of Aromas, California on Tue, Mar 5, 1991, 12:28 AM PST (08:28 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.6 1 km NNE of Interlaken, 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
1991-03-05 08:28:00 UTC
Depth
5.9 km (3.6 mi), shallow
Epicenter
36.921° N, 121.644° 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
±0.16
Depth from
From location
Station coverage gap
35°
Stations used
40

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 1.63 km NE of Fairview, California · 12997 days ago · 5 km deep · 93 km away
  2. 1.64 km NE of Fairview, California · 12997 days ago · 6 km deep · 93 km away
  3. 1.711 km WNW of Davenport, California · 12997 days ago · 7 km deep · 61 km away
  4. 1.52 km W of Lexington Hills, California · 12996 days ago · 12 km deep · 42 km away
  5. 1.73 km NE of Fairview, California · 12995 days ago · 6 km deep · 93 km away
  6. 1.521 km SSE of Tres Pinos, California · 12994 days ago · 5 km deep · 51 km away
  7. 1.722 km NE of Soledad, California · 12994 days ago · 8 km deep · 62 km away
  8. 1.86 km NNW of Marina, California · 12994 days ago · 13 km deep · 26 km away
  9. 2.627 km E of Tres Pinos, California · 12994 days ago · 0 km deep · 58 km away
  10. 1.72 km S of San Juan Bautista, California · 12993 days ago · 6 km deep · 14 km away
  11. 2.223 km NE of Soledad, California · 12993 days ago · 10 km deep · 60 km away
  12. 1.623 km NE of Soledad, California · 12993 days ago · 9 km deep · 60 km away
  13. 1.64 km N of San Juan Bautista, California · 12992 days ago · 6 km deep · 10 km away
  14. 2.21 km NNE of Livermore, California · 12992 days ago · 16 km deep · 87 km away
  15. 1.623 km NNE of San Lucas, California · 12992 days ago · 4 km deep · 96 km away
  16. 4.03 km NNE of Livermore, California · 12992 days ago · 19 km deep · 88 km away
  17. 2.62 km NNE of Livermore, California · 12992 days ago · 16 km deep · 88 km away
  18. 2.22 km NNE of Livermore, California · 12992 days ago · 17 km deep · 88 km away
  19. 1.93 km NNE of Livermore, California · 12992 days ago · 17 km deep · 88 km away
  20. 2.12 km NNE of Livermore, California · 12992 days ago · 16 km deep · 88 km away
  21. 2.72 km ESE of Aromas, California · 12991 days ago · 7 km deep · 5 km away
  22. 1.63 km NNE of Livermore, California · 12991 days ago · 17 km deep · 88 km away
  23. 3.022 km ENE of Soledad, California · 12991 days ago · 5 km deep · 64 km away
  24. 1.922 km ENE of Soledad, California · 12991 days ago · 5 km deep · 64 km away
  25. 1.75 km E of Interlaken, California · 12990 days ago · 7 km deep · 4 km away
  26. 2.223 km ENE of Soledad, California · 12989 days ago · 4 km deep · 64 km away
  27. 1.725 km NE of Greenfield, California · 12989 days ago · 8 km deep · 76 km away
  28. 1.82 km NE of Livermore, California · 12988 days ago · 17 km deep · 87 km away
  29. 2.27 km WSW of Monte Sereno, California · 12988 days ago · 13 km deep · 49 km away
  30. 2.19 km N of King City, California · 12988 days ago · 54 km deep · 83 km away
  31. 2.021 km NE of Soledad, California · 12987 days ago · 3 km deep · 58 km away
  32. 1.522 km NNE of Soledad, California · 12987 days ago · 2 km deep · 53 km away
  33. 2.321 km NE of Soledad, California · 12986 days ago · 2 km deep · 61 km away
  34. 2.311 km ESE of Livermore, California · 12985 days ago · 8 km deep · 80 km away
  35. 1.711 km ESE of Livermore, California · 12985 days ago · 7 km deep · 80 km away
  36. 1.81 km WSW of Tres Pinos, California · 12985 days ago · 4 km deep · 31 km away
  37. 2.65 km WNW of Day Valley, California · 12985 days ago · 16 km deep · 28 km away
  38. 2.12 km E of Corralitos, California · 12985 days ago · 15 km deep · 14 km away
  39. 1.61 km W of Tres Pinos, California · 12984 days ago · 5 km deep · 31 km away
  40. 2.425 km SSE of Big Sur, California · 12984 days ago · 4 km deep · 97 km away
  41. 2.35 km SE of Tres Pinos, California · 12983 days ago · 8 km deep · 37 km away
  42. 3.22 km NNE of Livermore, California · 12981 days ago · 18 km deep · 88 km away
  43. 2.45 km WSW of Cupertino, California · 12981 days ago · 4 km deep · 57 km away
  44. 2.17 km NNE of Day Valley, California · 12981 days ago · 9 km deep · 25 km away
  45. 1.622 km NE of Soledad, California · 12981 days ago · 9 km deep · 62 km away
  46. 1.822 km NE of Soledad, California · 12981 days ago · 9 km deep · 62 km away
  47. 1.622 km NE of Soledad, California · 12980 days ago · 9 km deep · 62 km away
  48. 2.224 km ENE of Greenfield, California · 12980 days ago · 5 km deep · 82 km away
  49. 1.82 km NNE of Livermore, California · 12980 days ago · 17 km deep · 87 km away
  50. 2.014 km N of Morgan Hill, California · 12979 days ago · 3 km deep · 38 km away
  51. 2.019 km NNE of Soledad, California · 12979 days ago · 12 km deep · 54 km away
  52. 1.519 km NNE of Soledad, California · 12979 days ago · 12 km deep · 54 km away
  53. 1.619 km NNE of Soledad, California · 12979 days ago · 12 km deep · 54 km away
  54. 3.319 km NNE of Soledad, California · 12979 days ago · 12 km deep · 54 km away
  55. 1.619 km NNE of Soledad, California · 12979 days ago · 11 km deep · 54 km away
  56. 2.214 km N of Morgan Hill, California · 12979 days ago · 4 km deep · 38 km away
  57. 3.210 km S of Tres Pinos, California · 12979 days ago · 5 km deep · 37 km away
  58. 1.619 km NNE of Soledad, California · 12979 days ago · 12 km deep · 54 km away
  59. 1.824 km ENE of Greenfield, California · 12979 days ago · 5 km deep · 78 km away
  60. 2.021 km NE of Soledad, California · 12979 days ago · 5 km deep · 57 km away

The first 60 of 182.

Before

  1. 1.714 km E of Seven Trees, California · 12997 days ago · 6 km deep · 43 km away
  2. 1.95 km ESE of Interlaken, California · 12998 days ago · 12 km deep · 4 km away
  3. 2.522 km NE of Soledad, California · 12998 days ago · 4 km deep · 56 km away
  4. 2.22 km SSW of Lexington Hills, California · 12998 days ago · 15 km deep · 39 km away
  5. 1.95 km ESE of Interlaken, California · 12998 days ago · 12 km deep · 4 km away
  6. 3.324 km NE of King City, California · 12999 days ago · 9 km deep · 92 km away
  7. 2.43 km E of Interlaken, California · 13000 days ago · 13 km deep · 6 km away
  8. 2.322 km NE of Soledad, California · 13000 days ago · 2 km deep · 63 km away
  9. 1.82 km NNE of Lexington Hills, California · 13000 days ago · 4 km deep · 41 km away
  10. 2.012 km NE of East Foothills, California · 13001 days ago · 9 km deep · 62 km away
  11. 1.74 km SSE of San Juan Bautista, California · 13001 days ago · 4 km deep · 17 km away
  12. 1.932 km W of Three Rocks, California · 13001 days ago · 10 km deep · 93 km away
  13. 1.733 km SE of Big Sur, California · 13002 days ago · 6 km deep · 98 km away
  14. 1.68 km SSW of Tres Pinos, California · 13003 days ago · 3 km deep · 34 km away
  15. 1.78 km SSW of Tres Pinos, California · 13003 days ago · 3 km deep · 34 km away
  16. 2.48 km SSW of Tres Pinos, California · 13003 days ago · 3 km deep · 34 km away
  17. 2.024 km NE of Greenfield, California · 13003 days ago · 7 km deep · 72 km away
  18. 1.65 km SW of Gilroy, California · 13003 days ago · 4 km deep · 6 km away
  19. 1.713 km WSW of Gustine, California · 13004 days ago · 9 km deep · 56 km away
  20. 1.71 km SW of San Ramon, California · 13004 days ago · 8 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc207565. Read Sun, Oct 4, 2026, 7:48 AM UTC.