California earthquakes

M1.5 earthquake 1 km E of Aromas, California

A magnitude 1.5 earthquake struck 1 km E of Aromas, California on Sat, Oct 28, 1989, 9:18 AM PDT (16:18 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M4.7 6 km NE 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1989-10-28 16:18:25 UTC
Depth
7.3 km (4.6 mi), shallow
Epicenter
36.890° N, 121.627° 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, 0.4 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
69°
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: 193 in the 60 days after this one and 197 in the 30 days before it.

After

  1. 1.72 km NE of Corralitos, California · 13488 days ago · 15 km deep · 19 km away
  2. 2.00 km NE of Aromas, California · 13488 days ago · 9 km deep · 1 km away
  3. 1.55 km ENE of Day Valley, California · 13488 days ago · 10 km deep · 24 km away
  4. 2.16 km ESE of Lexington Hills, California · 13488 days ago · 9 km deep · 37 km away
  5. 3.42 km N of Aromas, California · 13488 days ago · 7 km deep · 2 km away
  6. 1.58 km N of Day Valley, California · 13488 days ago · 3 km deep · 33 km away
  7. 1.64 km ESE of Lexington Hills, California · 13488 days ago · 12 km deep · 39 km away
  8. 1.54 km SW of Lexington Hills, California · 13488 days ago · 17 km deep · 43 km away
  9. 2.13 km SSW of Seacliff, California · 13488 days ago · 4 km deep · 28 km away
  10. 1.83 km S of Lexington Hills, California · 13488 days ago · 14 km deep · 42 km away
  11. 1.53 km NNW of Aromas, California · 13488 days ago · 9 km deep · 4 km away
  12. 1.54 km NNW of Aromas, California · 13488 days ago · 7 km deep · 5 km away
  13. 1.68 km SE of San Juan Bautista, California · 13488 days ago · 4 km deep · 18 km away
  14. 1.95 km NW of Day Valley, California · 13488 days ago · 14 km deep · 31 km away
  15. 1.69 km SW of Davenport, California · 13488 days ago · 8 km deep · 56 km away
  16. 1.55 km WNW of San Juan Bautista, California · 13488 days ago · 6 km deep · 4 km away
  17. 1.91 km NE of Interlaken, California · 13488 days ago · 14 km deep · 12 km away
  18. 1.89 km SSW of Tres Pinos, California · 13488 days ago · 2 km deep · 31 km away
  19. 1.52 km SE of Day Valley, California · 13487 days ago · 14 km deep · 24 km away
  20. 2.25 km WNW of San Juan Bautista, California · 13487 days ago · 7 km deep · 4 km away
  21. 1.65 km ESE of Lexington Hills, California · 13487 days ago · 8 km deep · 38 km away
  22. 1.511 km SW of Ridgemark, California · 13487 days ago · 16 km deep · 21 km away
  23. 1.90 km E of Aromas, California · 13487 days ago · 8 km deep · 1 km away
  24. 2.312 km SW of Ridgemark, California · 13487 days ago · 14 km deep · 21 km away
  25. 1.87 km WNW of Day Valley, California · 13487 days ago · 16 km deep · 34 km away
  26. 1.82 km ESE of Aromas, California · 13487 days ago · 6 km deep · 1 km away
  27. 1.52 km NNE of Day Valley, California · 13487 days ago · 12 km deep · 27 km away
  28. 2.04 km ESE of Interlaken, California · 13487 days ago · 11 km deep · 7 km away
  29. 3.14 km NW of Day Valley, California · 13487 days ago · 16 km deep · 31 km away
  30. 1.95 km N of Corralitos, California · 13487 days ago · 3 km deep · 22 km away
  31. 2.12 km NNW of Aromas, California · 13487 days ago · 9 km deep · 3 km away
  32. 1.60 km N of Lexington Hills, California · 13487 days ago · 9 km deep · 44 km away
  33. 1.84 km N of Corralitos, California · 13487 days ago · 11 km deep · 23 km away
  34. 1.78 km N of Day Valley, California · 13487 days ago · 4 km deep · 33 km away
  35. 1.71 km E of Aromas, California · 13487 days ago · 9 km deep · 0 km away
  36. 1.62 km NNW of Aromas, California · 13487 days ago · 9 km deep · 3 km away
  37. 1.51 km WSW of Aptos Hills-Larkin Valley, California · 13487 days ago · 4 km deep · 21 km away
  38. 1.63 km NE of Amesti, California · 13487 days ago · 15 km deep · 15 km away
  39. 2.43 km ESE of Day Valley, California · 13487 days ago · 16 km deep · 23 km away
  40. 2.34 km NNW of Day Valley, California · 13487 days ago · 13 km deep · 31 km away
  41. 1.85 km S of Gilroy, California · 13487 days ago · 4 km deep · 9 km away
  42. 1.94 km ESE of Aromas, California · 13487 days ago · 5 km deep · 3 km away
  43. 3.07 km NNW of Day Valley, California · 13487 days ago · 10 km deep · 33 km away
  44. 1.77 km NNW of Day Valley, California · 13487 days ago · 9 km deep · 33 km away
  45. 2.94 km SE of Aromas, California · 13487 days ago · 7 km deep · 4 km away
  46. 1.77 km NE of Interlaken, California · 13487 days ago · 2 km deep · 12 km away
  47. 2.08 km SSW of Davenport, California · 13487 days ago · 4 km deep · 55 km away
  48. 2.64 km SE of Aromas, California · 13487 days ago · 7 km deep · 4 km away
  49. 1.98 km NNE of Day Valley, California · 13487 days ago · 5 km deep · 30 km away
  50. 2.47 km SW of Davenport, California · 13487 days ago · 6 km deep · 56 km away
  51. 1.64 km NW of Day Valley, California · 13487 days ago · 15 km deep · 31 km away
  52. 1.74 km E of Interlaken, California · 13487 days ago · 11 km deep · 8 km away
  53. 1.85 km NNW of Aromas, California · 13487 days ago · 10 km deep · 6 km away
  54. 2.54 km NW of Day Valley, California · 13486 days ago · 14 km deep · 31 km away
  55. 3.04 km ESE of Interlaken, California · 13486 days ago · 12 km deep · 7 km away
  56. 2.15 km N of Interlaken, California · 13486 days ago · 9 km deep · 16 km away
  57. 1.8Central California · 13486 days ago · 9 km deep · 9 km away
  58. 1.62 km NNE of Day Valley, California · 13486 days ago · 12 km deep · 28 km away
  59. 1.73 km ESE of Day Valley, California · 13486 days ago · 16 km deep · 23 km away
  60. 1.7Northern California · 13486 days ago · 9 km deep · 26 km away

The first 60 of 193.

Before

  1. 2.22 km ENE of Corralitos, California · 13488 days ago · 12 km deep · 19 km away
  2. 2.34 km NNW of Hollister, California · 13488 days ago · 8 km deep · 19 km away
  3. 2.98 km SE of San Juan Bautista, California · 13488 days ago · 4 km deep · 18 km away
  4. 1.82 km SSW of Lexington Hills, California · 13488 days ago · 14 km deep · 42 km away
  5. 1.61 km NNE of Interlaken, California · 13488 days ago · 15 km deep · 12 km away
  6. 2.05 km N of Lompico, California · 13488 days ago · 13 km deep · 48 km away
  7. 1.72 km NE of Corralitos, California · 13488 days ago · 15 km deep · 19 km away
  8. 2.53 km W of Hollister, California · 13488 days ago · 3 km deep · 17 km away
  9. 1.93 km NNW of Aromas, California · 13488 days ago · 6 km deep · 4 km away
  10. 1.75 km N of Corralitos, California · 13488 days ago · 8 km deep · 22 km away
  11. 1.54 km ENE of Interlaken, California · 13488 days ago · 5 km deep · 10 km away
  12. 1.83 km NNW of Day Valley, California · 13489 days ago · 11 km deep · 29 km away
  13. 2.11 km ENE of Aromas, California · 13489 days ago · 7 km deep · 0 km away
  14. 1.83 km SSW of Lexington Hills, California · 13489 days ago · 15 km deep · 42 km away
  15. 1.78 km SSW of Tres Pinos, California · 13489 days ago · 1 km deep · 32 km away
  16. 2.25 km WNW of Day Valley, California · 13489 days ago · 17 km deep · 32 km away
  17. 1.61 km NE of Interlaken, California · 13489 days ago · 14 km deep · 11 km away
  18. 3.04 km NNE of Amesti, California · 13489 days ago · 12 km deep · 17 km away
  19. 1.53 km ENE of Corralitos, California · 13489 days ago · 14 km deep · 18 km away
  20. 1.71 km NNW of Corralitos, California · 13489 days ago · 16 km deep · 21 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc145952. Read Fri, Oct 2, 2026, 3:48 PM UTC.