California earthquakes

M2.2 earthquake 2 km NNW of Aromas, California

A magnitude 2.2 earthquake struck 2 km NNW of Aromas, California on Tue, Oct 17, 1989, 11:52 PM PDT (06:52 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.7 4 km NW of Day Valley, 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
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-10-18 06:52:59 UTC
Depth
6.3 km (3.9 mi), shallow
Epicenter
36.912° N, 121.650° 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 1.3 km horizontally, 2.5 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
274°, poorly surrounded by stations
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.81 km NNW of Lexington Hills, California · 13499 days ago · 9 km deep · 42 km away
  2. 1.74 km S of Lexington Hills, California · 13499 days ago · 14 km deep · 38 km away
  3. 2.47 km NE of Corralitos, California · 13499 days ago · 6 km deep · 15 km away
  4. 2.66 km SW of Monte Sereno, California · 13499 days ago · 14 km deep · 48 km away
  5. 2.07 km SE of Lexington Hills, California · 13499 days ago · 8 km deep · 32 km away
  6. 1.71 km W of Lexington Hills, California · 13499 days ago · 7 km deep · 42 km away
  7. 1.86 km SE of Lexington Hills, California · 13499 days ago · 8 km deep · 33 km away
  8. 1.72 km N of Lexington Hills, California · 13499 days ago · 2 km deep · 42 km away
  9. 2.35 km ENE of Day Valley, California · 13499 days ago · 4 km deep · 21 km away
  10. 2.97 km ESE of Lexington Hills, California · 13499 days ago · 3 km deep · 33 km away
  11. 1.66 km ENE of Day Valley, California · 13499 days ago · 4 km deep · 21 km away
  12. 1.53 km ENE of Day Valley, California · 13499 days ago · 12 km deep · 21 km away
  13. 1.95 km S of Lexington Hills, California · 13499 days ago · 17 km deep · 37 km away
  14. 2.77 km ESE of Lexington Hills, California · 13499 days ago · 2 km deep · 33 km away
  15. 2.57 km ESE of Lexington Hills, California · 13499 days ago · 0 km deep · 33 km away
  16. 1.75 km ENE of Day Valley, California · 13499 days ago · 9 km deep · 22 km away
  17. 1.86 km SW of Monte Sereno, California · 13499 days ago · 14 km deep · 47 km away
  18. 2.36 km ENE of Lexington Hills, California · 13499 days ago · 28 km deep · 38 km away
  19. 1.64 km ENE of Lompico, California · 13499 days ago · 17 km deep · 39 km away
  20. 1.53 km NE of Day Valley, California · 13499 days ago · 11 km deep · 24 km away
  21. 1.86 km NE of Scotts Valley, California · 13499 days ago · 17 km deep · 35 km away
  22. 3.18 km SSE of Lexington Hills, California · 13499 days ago · 10 km deep · 32 km away
  23. 2.92 km NNE of Interlaken, California · 13499 days ago · 14 km deep · 9 km away
  24. 1.86 km WNW of Saratoga, California · 13499 days ago · 9 km deep · 57 km away
  25. 1.76 km NW of Day Valley, California · 13499 days ago · 14 km deep · 29 km away
  26. 1.82 km NNW of Lexington Hills, California · 13499 days ago · 7 km deep · 42 km away
  27. 2.86 km SW of Monte Sereno, California · 13499 days ago · 14 km deep · 48 km away
  28. 2.26 km N of Day Valley, California · 13499 days ago · 6 km deep · 28 km away
  29. 2.67 km SE of Lexington Hills, California · 13499 days ago · 10 km deep · 33 km away
  30. 1.62 km SSW of Lexington Hills, California · 13499 days ago · 8 km deep · 39 km away
  31. 2.44 km ESE of Lexington Hills, California · 13499 days ago · 3 km deep · 36 km away
  32. 1.64 km SSW of La Selva Beach, California · 13499 days ago · 6 km deep · 21 km away
  33. 2.33 km NNW of Lexington Hills, California · 13499 days ago · 6 km deep · 43 km away
  34. 1.95 km ESE of Lexington Hills, California · 13499 days ago · 5 km deep · 35 km away
  35. 1.65 km S of Lexington Hills, California · 13499 days ago · 13 km deep · 36 km away
  36. 1.50 km NNW of Lexington Hills, California · 13499 days ago · 6 km deep · 41 km away
  37. 1.68 km ESE of Lexington Hills, California · 13499 days ago · 3 km deep · 32 km away
  38. 2.02 km SSW of Lexington Hills, California · 13499 days ago · 7 km deep · 39 km away
  39. 2.01 km NNW of Lexington Hills, California · 13499 days ago · 8 km deep · 42 km away
  40. 2.42 km NNW of Interlaken, California · 13499 days ago · 15 km deep · 11 km away
  41. 1.76 km SW of Monte Sereno, California · 13499 days ago · 13 km deep · 48 km away
  42. 1.70 km ESE of Lexington Hills, California · 13499 days ago · 9 km deep · 39 km away
  43. 3.04 km E of Day Valley, California · 13499 days ago · 10 km deep · 20 km away
  44. 2.31 km NW of Lexington Hills, California · 13499 days ago · 10 km deep · 42 km away
  45. 1.93 km NNE of Corralitos, California · 13499 days ago · 13 km deep · 17 km away
  46. 2.08 km ESE of Lexington Hills, California · 13499 days ago · 4 km deep · 32 km away
  47. 1.64 km NE of Interlaken, California · 13499 days ago · 9 km deep · 9 km away
  48. 1.82 km E of Interlaken, California · 13499 days ago · 13 km deep · 7 km away
  49. 1.80 km SSE of Lexington Hills, California · 13499 days ago · 8 km deep · 39 km away
  50. 1.88 km SE of Lexington Hills, California · 13499 days ago · 6 km deep · 31 km away
  51. 1.84 km SW of Lexington Hills, California · 13499 days ago · 20 km deep · 41 km away
  52. 1.65 km ENE of Day Valley, California · 13499 days ago · 6 km deep · 20 km away
  53. 1.64 km E of Interlaken, California · 13499 days ago · 8 km deep · 6 km away
  54. 2.35 km SE of Lexington Hills, California · 13499 days ago · 4 km deep · 35 km away
  55. 2.43 km NE of Interlaken, California · 13499 days ago · 10 km deep · 9 km away
  56. 1.80 km SE of Lexington Hills, California · 13499 days ago · 8 km deep · 40 km away
  57. 1.65 km WNW of Lexington Hills, California · 13499 days ago · 10 km deep · 45 km away
  58. 2.68 km N of Day Valley, California · 13499 days ago · 4 km deep · 29 km away
  59. 2.12 km NW of Lexington Hills, California · 13499 days ago · 10 km deep · 43 km away
  60. 1.87 km S of Lexington Hills, California · 13499 days ago · 14 km deep · 34 km away

The first 60 of 200.

Before

  1. 2.12 km NNW of Lompico, California · 13499 days ago · 9 km deep · 43 km away
  2. 1.75 km E of Day Valley, California · 13499 days ago · 5 km deep · 20 km away
  3. 2.22 km S of Lexington Hills, California · 13499 days ago · 11 km deep · 38 km away
  4. 3.15 km ENE of Day Valley, California · 13499 days ago · 5 km deep · 21 km away
  5. 3.61 km NW of Lexington Hills, California · 13499 days ago · 8 km deep · 42 km away
  6. 4.33 km ENE of Interlaken, California · 13499 days ago · 9 km deep · 7 km away
  7. 3.02 km ENE of Interlaken, California · 13499 days ago · 13 km deep · 7 km away
  8. 3.08 km N of Day Valley, California · 13499 days ago · 4 km deep · 29 km away
  9. 3.14 km ENE of Day Valley, California · 13499 days ago · 24 km deep · 21 km away
  10. 2.03 km ENE of Day Valley, California · 13499 days ago · 11 km deep · 22 km away
  11. 2.53 km S of Lexington Hills, California · 13499 days ago · 13 km deep · 38 km away
  12. 1.91 km WNW of Lexington Hills, California · 13499 days ago · 10 km deep · 42 km away
  13. 2.39 km WSW of San Martin, California · 13499 days ago · 2 km deep · 16 km away
  14. 2.42 km N of Lexington Hills, California · 13499 days ago · 3 km deep · 42 km away
  15. 2.26 km SW of Monte Sereno, California · 13499 days ago · 12 km deep · 47 km away
  16. 2.11 km N of Lexington Hills, California · 13499 days ago · 1 km deep · 41 km away
  17. 3.16 km NNE of Interlaken, California · 13499 days ago · 4 km deep · 12 km away
  18. 2.75 km E of Day Valley, California · 13499 days ago · 4 km deep · 20 km away
  19. 2.54 km NNE of Corralitos, California · 13499 days ago · 2 km deep · 17 km away
  20. 2.89 km N of Day Valley, California · 13499 days ago · 3 km deep · 29 km away

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From the USGS Earthquake Hazards Program and its partner networks, event nc145643. Read Fri, Oct 2, 2026, 10:17 PM UTC.