California earthquakes

M1.6 earthquake 3 km NNW of Aromas, California

A magnitude 1.6 earthquake struck 3 km NNW of Aromas, California on Sun, Jun 17, 1990, 11:21 PM PDT (06:21 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.1 6 km NE of East Foothills, 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
1990-06-18 06:21:13 UTC
Depth
8.5 km (5.3 mi), shallow
Epicenter
36.920° N, 121.659° 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
±0.17
Depth from
From location
Station coverage gap
44°
Stations used
52

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 176 in the 60 days after this one and 97 in the 30 days before it.

After

  1. 2.13 km SSW of Los Altos Hills, California · 13256 days ago · 7 km deep · 65 km away
  2. 3.38 km SSW of Tres Pinos, California · 13256 days ago · 3 km deep · 33 km away
  3. 1.623 km ENE of Soledad, California · 13256 days ago · 6 km deep · 71 km away
  4. 1.98 km SSW of Tres Pinos, California · 13256 days ago · 3 km deep · 34 km away
  5. 1.65 km WNW of San Juan Bautista, California · 13256 days ago · 6 km deep · 9 km away
  6. 1.88 km SE of Livermore, California · 13255 days ago · 6 km deep · 79 km away
  7. 2.13 km S of San Juan Bautista, California · 13255 days ago · 4 km deep · 16 km away
  8. 1.71 km NNE of Lexington Hills, California · 13255 days ago · 5 km deep · 40 km away
  9. 1.65 km WNW of San Juan Bautista, California · 13255 days ago · 6 km deep · 9 km away
  10. 2.33 km SSW of Saratoga, California · 13255 days ago · 10 km deep · 48 km away
  11. 1.911 km W of Volta, California · 13255 days ago · 0 km deep · 58 km away
  12. 1.94 km E of Interlaken, California · 13254 days ago · 9 km deep · 4 km away
  13. 1.821 km NE of Soledad, California · 13254 days ago · 6 km deep · 62 km away
  14. 1.89 km N of Boulder Creek, California · 13254 days ago · 12 km deep · 52 km away
  15. 1.69 km N of Boulder Creek, California · 13254 days ago · 12 km deep · 52 km away
  16. 1.79 km W of Volta, California · 13254 days ago · 7 km deep · 59 km away
  17. 1.96 km WNW of Volta, California · 13254 days ago · 7 km deep · 63 km away
  18. 1.7Northern California · 13254 days ago · 7 km deep · 23 km away
  19. 1.59 km SSW of Tres Pinos, California · 13253 days ago · 3 km deep · 37 km away
  20. 1.62 km NNW of Aromas, California · 13252 days ago · 9 km deep · 2 km away
  21. 1.94 km W of San Juan Bautista, California · 13252 days ago · 8 km deep · 10 km away
  22. 2.14 km W of San Juan Bautista, California · 13252 days ago · 7 km deep · 11 km away
  23. 2.012 km S of Tres Pinos, California · 13251 days ago · 4 km deep · 42 km away
  24. 1.95 km SE of Tres Pinos, California · 13251 days ago · 6 km deep · 39 km away
  25. 1.55 km NW of Day Valley, California · 13251 days ago · 16 km deep · 27 km away
  26. 1.813 km NE of East Foothills, California · 13250 days ago · 8 km deep · 60 km away
  27. 1.69 km WNW of Volta, California · 13250 days ago · 9 km deep · 60 km away
  28. 1.92 km S of Lexington Hills, California · 13250 days ago · 11 km deep · 37 km away
  29. 2.45 km WNW of Volta, California · 13249 days ago · 1 km deep · 64 km away
  30. 2.54 km W of San Juan Bautista, California · 13249 days ago · 8 km deep · 10 km away
  31. 1.83 km SE of Los Gatos, California · 13249 days ago · 2 km deep · 40 km away
  32. 2.17 km W of Volta, California · 13248 days ago · 0 km deep · 61 km away
  33. 1.94 km S of Lexington Hills, California · 13247 days ago · 13 km deep · 36 km away
  34. 2.914 km SSE of Tres Pinos, California · 13247 days ago · 4 km deep · 45 km away
  35. 3.114 km SSE of Tres Pinos, California · 13247 days ago · 5 km deep · 45 km away
  36. 2.024 km NE of King City, California · 13247 days ago · 0 km deep · 85 km away
  37. 2.04 km ESE of Interlaken, California · 13246 days ago · 10 km deep · 3 km away
  38. 1.94 km ESE of Interlaken, California · 13246 days ago · 10 km deep · 3 km away
  39. 2.86 km E of Zayante, California · 13246 days ago · 6 km deep · 34 km away
  40. 1.62 km NNW of Aromas, California · 13246 days ago · 9 km deep · 1 km away
  41. 2.014 km SSE of Tres Pinos, California · 13246 days ago · 4 km deep · 45 km away
  42. 2.64 km NW of Day Valley, California · 13245 days ago · 13 km deep · 27 km away
  43. 1.61 km SW of Aptos Hills-Larkin Valley, California · 13244 days ago · 5 km deep · 17 km away
  44. 1.86 km WSW of Gilroy, California · 13244 days ago · 5 km deep · 7 km away
  45. 2.06 km N of Castro Valley, California · 13244 days ago · 5 km deep · 100 km away
  46. 1.54 km ENE of Tres Pinos, California · 13244 days ago · 8 km deep · 36 km away
  47. 4.16 km NE of East Foothills, California · 13244 days ago · 8 km deep · 56 km away
  48. 1.524 km ENE of Greenfield, California · 13244 days ago · 6 km deep · 80 km away
  49. 1.65 km NNE of Tres Pinos, California · 13243 days ago · 5 km deep · 34 km away
  50. 1.511 km S of Tres Pinos, California · 13242 days ago · 4 km deep · 39 km away
  51. 1.72 km NNW of Aromas, California · 13242 days ago · 9 km deep · 1 km away
  52. 2.02 km NNW of Aromas, California · 13242 days ago · 9 km deep · 1 km away
  53. 1.619 km SW of Gonzales, California · 13242 days ago · 12 km deep · 59 km away
  54. 2.124 km NE of Greenfield, California · 13241 days ago · 5 km deep · 74 km away
  55. 1.924 km NE of Soledad, California · 13241 days ago · 7 km deep · 60 km away
  56. 1.63 km W of Lexington Hills, California · 13241 days ago · 13 km deep · 42 km away
  57. 1.716 km SSE of Tres Pinos, California · 13241 days ago · 6 km deep · 46 km away
  58. 1.824 km NE of Greenfield, California · 13240 days ago · 5 km deep · 75 km away
  59. 1.6Central California · 13240 days ago · 7 km deep · 10 km away
  60. 1.814 km E of Seven Trees, California · 13239 days ago · 3 km deep · 41 km away

The first 60 of 176.

Before

  1. 2.13 km S of San Juan Bautista, California · 13257 days ago · 4 km deep · 16 km away
  2. 1.925 km ENE of Greenfield, California · 13257 days ago · 6 km deep · 80 km away
  3. 2.13 km WSW of San Juan Bautista, California · 13258 days ago · 7 km deep · 12 km away
  4. 1.65 km ESE of Interlaken, California · 13258 days ago · 7 km deep · 3 km away
  5. 1.523 km ENE of Soledad, California · 13258 days ago · 4 km deep · 69 km away
  6. 1.617 km WSW of Davenport, California · 13258 days ago · 12 km deep · 65 km away
  7. 1.610 km SE of San Juan Bautista, California · 13259 days ago · 9 km deep · 24 km away
  8. 1.68 km SSW of Tres Pinos, California · 13259 days ago · 3 km deep · 35 km away
  9. 1.610 km WSW of Ridgemark, California · 13259 days ago · 8 km deep · 24 km away
  10. 3.010 km WSW of Ridgemark, California · 13259 days ago · 8 km deep · 24 km away
  11. 2.411 km SW of Ridgemark, California · 13259 days ago · 5 km deep · 25 km away
  12. 1.78 km SSW of Tres Pinos, California · 13259 days ago · 3 km deep · 35 km away
  13. 1.96 km S of Tres Pinos, California · 13259 days ago · 9 km deep · 37 km away
  14. 3.13 km NNW of Aromas, California · 13259 days ago · 9 km deep · 1 km away
  15. 1.91 km SW of Saratoga, California · 13259 days ago · 6 km deep · 50 km away
  16. 2.621 km NE of Soledad, California · 13260 days ago · 2 km deep · 59 km away
  17. 1.924 km ENE of Soledad, California · 13260 days ago · 6 km deep · 67 km away
  18. 1.63 km E of Saratoga, California · 13260 days ago · 7 km deep · 48 km away
  19. 2.39 km NNW of Big Sur, California · 13260 days ago · 12 km deep · 67 km away
  20. 1.710 km WSW of Morgan Hill, California · 13261 days ago · 2 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc159587. Read Sat, Oct 3, 2026, 4:56 PM UTC.