California earthquakes

M1.8 earthquake 3 km ESE of Aromas, California

A magnitude 1.8 earthquake struck 3 km ESE of Aromas, California on Thu, May 2, 1985, 2:20 AM PDT (09:20 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.4 23 km ENE of Soledad, 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
1.8 (md), micro
Local time
UTC
1985-05-02 09:20:11 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
36.881° N, 121.607° 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
±0.20
Depth from
From location
Station coverage gap
67°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 101 in the 30 days before it.

After

  1. 2.615 km SSE of Tres Pinos, California · 15122 days ago · 5 km deep · 39 km away
  2. 3.015 km SSE of Tres Pinos, California · 15122 days ago · 5 km deep · 39 km away
  3. 2.112 km S of Tres Pinos, California · 15122 days ago · 5 km deep · 35 km away
  4. 2.015 km SSE of Tres Pinos, California · 15122 days ago · 5 km deep · 39 km away
  5. 1.624 km NE of Greenfield, California · 15121 days ago · 5 km deep · 66 km away
  6. 2.18 km NE of San Martin, California · 15120 days ago · 8 km deep · 29 km away
  7. 1.69 km E of Gilroy, California · 15120 days ago · 10 km deep · 18 km away
  8. 1.921 km NE of Soledad, California · 15120 days ago · 4 km deep · 55 km away
  9. 2.521 km NE of Soledad, California · 15119 days ago · 8 km deep · 56 km away
  10. 1.616 km SSE of Tres Pinos, California · 15118 days ago · 6 km deep · 39 km away
  11. 2.011 km NNW of Hollister, California · 15118 days ago · 4 km deep · 16 km away
  12. 1.611 km NNW of Hollister, California · 15118 days ago · 4 km deep · 16 km away
  13. 1.811 km NNW of Hollister, California · 15118 days ago · 3 km deep · 16 km away
  14. 1.74 km ENE of La Honda, California · 15117 days ago · 0 km deep · 75 km away
  15. 1.57 km ESE of East Foothills, California · 15117 days ago · 1 km deep · 54 km away
  16. 1.723 km ENE of Soledad, California · 15116 days ago · 6 km deep · 64 km away
  17. 1.79 km SSW of Tres Pinos, California · 15116 days ago · 3 km deep · 29 km away
  18. 1.715 km ENE of East Foothills, California · 15115 days ago · 5 km deep · 64 km away
  19. 1.69 km SW of Carmel Valley Village, California · 15115 days ago · 6 km deep · 53 km away
  20. 1.79 km N of Morgan Hill, California · 15114 days ago · 5 km deep · 38 km away
  21. 1.812 km N of Morgan Hill, California · 15114 days ago · 6 km deep · 40 km away
  22. 2.32 km SW of Hollister, California · 15114 days ago · 6 km deep · 17 km away
  23. 1.88 km ENE of San Martin, California · 15114 days ago · 7 km deep · 27 km away
  24. 2.09 km ESE of East Foothills, California · 15113 days ago · 7 km deep · 54 km away
  25. 1.512 km SE of Livermore, California · 15113 days ago · 15 km deep · 79 km away
  26. 2.136 km W of Three Rocks, California · 15112 days ago · 3 km deep · 81 km away
  27. 1.937 km W of Three Rocks, California · 15112 days ago · 0 km deep · 81 km away
  28. 2.713 km ESE of Alum Rock, California · 15112 days ago · 7 km deep · 49 km away
  29. 1.536 km W of Three Rocks, California · 15112 days ago · 1 km deep · 81 km away
  30. 1.924 km NE of Greenfield, California · 15111 days ago · 3 km deep · 68 km away
  31. 1.714 km N of Morgan Hill, California · 15111 days ago · 6 km deep · 42 km away
  32. 1.69 km NE of Gilroy, California · 15108 days ago · 9 km deep · 23 km away
  33. 2.533 km NE of King City, California · 15106 days ago · 7 km deep · 88 km away
  34. 1.717 km SSE of Tres Pinos, California · 15106 days ago · 9 km deep · 41 km away
  35. 1.58 km ESE of East Foothills, California · 15106 days ago · 2 km deep · 53 km away
  36. 1.69 km ESE of East Foothills, California · 15106 days ago · 5 km deep · 53 km away
  37. 1.622 km NE of Soledad, CA · 15106 days ago · 3 km deep · 54 km away
  38. 1.621 km NE of Soledad, California · 15104 days ago · 4 km deep · 54 km away
  39. 1.610 km NNW of Hollister, California · 15104 days ago · 0 km deep · 16 km away
  40. 1.614 km N of Morgan Hill, California · 15104 days ago · 6 km deep · 42 km away
  41. 1.74 km NNW of Livermore, California · 15103 days ago · 7 km deep · 95 km away
  42. 2.06 km NE of East Foothills, California · 15103 days ago · 7 km deep · 62 km away
  43. 1.918 km NE of Soledad, California · 15103 days ago · 10 km deep · 51 km away
  44. 1.717 km SW of Soledad, California · 15101 days ago · 8 km deep · 63 km away
  45. 2.022 km NE of Soledad, California · 15100 days ago · 2 km deep · 57 km away
  46. 1.54 km SSE of Fairview, California · 15100 days ago · 4 km deep · 92 km away
  47. 1.613 km N of Morgan Hill, California · 15100 days ago · 5 km deep · 42 km away
  48. 1.57 km NE of East Foothills, California · 15098 days ago · 10 km deep · 63 km away
  49. 1.822 km ESE of East Foothills, California · 15097 days ago · 5 km deep · 50 km away
  50. 1.61 km SSW of Hollister, California · 15097 days ago · 8 km deep · 18 km away
  51. 3.020 km WNW of Big Sur, California · 15097 days ago · 4 km deep · 69 km away
  52. 1.922 km E of Big Sur, California · 15096 days ago · 13 km deep · 71 km away
  53. 2.68 km SE of Sunol, California · 15095 days ago · 4 km deep · 75 km away
  54. 2.19 km ENE of Milpitas, California · 15095 days ago · 7 km deep · 68 km away
  55. 1.642 km SSW of South Dos Palos, California · 15095 days ago · 0 km deep · 73 km away
  56. 1.73 km NNE of Day Valley, California · 15094 days ago · 16 km deep · 29 km away
  57. 2.312 km NNE of Soledad, California · 15093 days ago · 10 km deep · 49 km away
  58. 1.524 km NE of Greenfield, California · 15093 days ago · 5 km deep · 71 km away
  59. 1.63 km SE of Tres Pinos, California · 15092 days ago · 9 km deep · 31 km away
  60. 1.621 km NE of Soledad, California · 15092 days ago · 7 km deep · 54 km away

The first 60 of 121.

Before

  1. 1.611 km ESE of East Foothills, California · 15124 days ago · 7 km deep · 51 km away
  2. 1.511 km ESE of East Foothills, California · 15124 days ago · 7 km deep · 51 km away
  3. 2.111 km ESE of East Foothills, California · 15124 days ago · 7 km deep · 51 km away
  4. 2.815 km SSE of Tres Pinos, California · 15124 days ago · 5 km deep · 39 km away
  5. 1.630 km NE of Soledad, California · 15126 days ago · 7 km deep · 60 km away
  6. 3.115 km E of Seven Trees, California · 15126 days ago · 4 km deep · 45 km away
  7. 1.88 km ENE of San Martin, California · 15126 days ago · 5 km deep · 27 km away
  8. 1.624 km NE of Greenfield, California · 15126 days ago · 7 km deep · 70 km away
  9. 1.828 km SE of Big Sur, California · 15126 days ago · 3 km deep · 87 km away
  10. 2.05 km SW of Ridgemark, California · 15127 days ago · 7 km deep · 21 km away
  11. 1.94 km NE of East Foothills, California · 15127 days ago · 3 km deep · 61 km away
  12. 1.7Northern California · 15127 days ago · 2 km deep · 46 km away
  13. 1.65 km SE of Tres Pinos, California · 15127 days ago · 8 km deep · 32 km away
  14. 1.713 km S of Tres Pinos, California · 15127 days ago · 4 km deep · 36 km away
  15. 2.412 km S of Tres Pinos, California · 15127 days ago · 5 km deep · 35 km away
  16. 1.624 km ENE of Soledad, California · 15128 days ago · 3 km deep · 65 km away
  17. 1.624 km NE of Greenfield, California · 15128 days ago · 6 km deep · 69 km away
  18. 3.012 km S of Tres Pinos, California · 15128 days ago · 4 km deep · 36 km away
  19. 3.15 km S of Gilroy, California · 15128 days ago · 5 km deep · 9 km away
  20. 2.221 km NE of Soledad, California · 15128 days ago · 4 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47073. Read Sun, Sep 27, 2026, 10:55 AM UTC.