California earthquakes

M1.8 earthquake 3 km N of Ashland, California

A magnitude 1.8 earthquake struck 3 km N of Ashland, California on Tue, Oct 8, 1985, 5:06 PM PDT (00:06 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.3 14 km N of Morgan Hill, California. This one was a foreshock.

Ashland 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-10-09 00:06:29 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
37.722° N, 122.118° 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, 0.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
40°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 79 in the 60 days after this one and 49 in the 30 days before it.

After

  1. 2.216 km NE of East Foothills, California · 14967 days ago · 8 km deep · 48 km away
  2. 1.88 km ENE of Morgan Hill, California · 14966 days ago · 2 km deep · 80 km away
  3. 2.67 km WSW of Glen Ellen, California · 14966 days ago · 8 km deep · 80 km away
  4. 1.77 km NNE of San Martin, California · 14965 days ago · 4 km deep · 81 km away
  5. 1.615 km WNW of Davenport, California · 14965 days ago · 6 km deep · 77 km away
  6. 1.80 km WSW of Concord, California · 14964 days ago · 19 km deep · 29 km away
  7. 1.516 km E of Seven Trees, California · 14963 days ago · 6 km deep · 64 km away
  8. 1.73 km N of Piedmont, California · 14961 days ago · 12 km deep · 18 km away
  9. 1.88 km ENE of Morgan Hill, California · 14959 days ago · 1 km deep · 80 km away
  10. 1.814 km E of Seven Trees, California · 14957 days ago · 3 km deep · 62 km away
  11. 1.93 km ESE of Berkeley, California · 14957 days ago · 7 km deep · 19 km away
  12. 1.59 km NNE of San Martin, California · 14956 days ago · 5 km deep · 80 km away
  13. 1.711 km S of Pescadero, California · 14954 days ago · 15 km deep · 68 km away
  14. 2.65 km E of Rohnert Park, California · 14953 days ago · 7 km deep · 83 km away
  15. 1.66 km SSE of Gilroy, California · 14952 days ago · 3 km deep · 100 km away
  16. 2.52 km W of Concord, California · 14951 days ago · 13 km deep · 29 km away
  17. 2.114 km N of Morgan Hill, California · 14950 days ago · 3 km deep · 66 km away
  18. 1.64 km SSW of Lexington Hills, California · 14949 days ago · 0 km deep · 67 km away
  19. 1.68 km NNE of East Foothills, California · 14948 days ago · 9 km deep · 41 km away
  20. 1.612 km E of East Foothills, California · 14947 days ago · 5 km deep · 55 km away
  21. 2.115 km E of Seven Trees, California · 14945 days ago · 5 km deep · 62 km away
  22. 1.615 km E of Seven Trees, California · 14945 days ago · 5 km deep · 62 km away
  23. 2.47 km NE of Interlaken, California · 14944 days ago · 10 km deep · 90 km away
  24. 2.012 km ESE of East Foothills, California · 14943 days ago · 6 km deep · 58 km away
  25. 2.413 km N of Morgan Hill, California · 14943 days ago · 3 km deep · 68 km away
  26. 1.914 km E of Seven Trees, California · 14941 days ago · 5 km deep · 61 km away
  27. 3.011 km ESE of East Foothills, California · 14940 days ago · 8 km deep · 57 km away
  28. 1.613 km N of Morgan Hill, California · 14940 days ago · 3 km deep · 68 km away
  29. 1.68 km SW of La Selva Beach, California · 14939 days ago · 9 km deep · 95 km away
  30. 1.87 km SSE of Livermore, California · 14939 days ago · 1 km deep · 35 km away
  31. 1.57 km ENE of Penngrove, California · 14938 days ago · 8 km deep · 79 km away
  32. 2.23 km WSW of Green Valley, California · 14938 days ago · 7 km deep · 58 km away
  33. 1.91 km ENE of Green Valley, California · 14938 days ago · 12 km deep · 60 km away
  34. 1.915 km E of Seven Trees, California · 14936 days ago · 6 km deep · 62 km away
  35. 2.115 km ESE of Suisun, California · 14935 days ago · 11 km deep · 56 km away
  36. 1.712 km SSE of Livermore, California · 14935 days ago · 7 km deep · 40 km away
  37. 1.56 km WSW of Gilroy, California · 14935 days ago · 3 km deep · 93 km away
  38. 1.714 km E of Seven Trees, California · 14934 days ago · 2 km deep · 62 km away
  39. 2.18 km NE of Milpitas, California · 14934 days ago · 7 km deep · 37 km away
  40. 1.914 km E of Seven Trees, California · 14933 days ago · 3 km deep · 61 km away
  41. 1.914 km E of Angwin, California · 14932 days ago · 1 km deep · 97 km away
  42. 2.06 km NE of East Foothills, California · 14931 days ago · 10 km deep · 44 km away
  43. 2.113 km N of Morgan Hill, California · 14931 days ago · 4 km deep · 67 km away
  44. 2.910 km E of Livermore, California · 14930 days ago · 2 km deep · 41 km away
  45. 2.94 km E of Fairview, California · 14929 days ago · 11 km deep · 12 km away
  46. 2.17 km E of East Foothills, California · 14929 days ago · 6 km deep · 51 km away
  47. 1.914 km E of Seven Trees, California · 14928 days ago · 1 km deep · 62 km away
  48. 2.29 km NNE of Livermore, California · 14928 days ago · 13 km deep · 36 km away
  49. 1.614 km E of Seven Trees, California · 14928 days ago · 1 km deep · 61 km away
  50. 1.80 km S of Concord, California · 14925 days ago · 15 km deep · 29 km away
  51. 1.80 km NE of Concord, California · 14925 days ago · 16 km deep · 30 km away
  52. 1.76 km NNE of Blackhawk, California · 14924 days ago · 16 km deep · 27 km away
  53. 3.09 km ENE of Gilroy, California · 14923 days ago · 9 km deep · 94 km away
  54. 1.816 km SSE of Livermore, California · 14923 days ago · 5 km deep · 44 km away
  55. 1.616 km SSE of Livermore, California · 14923 days ago · 5 km deep · 44 km away
  56. 2.48 km NE of Morgan Hill, California · 14923 days ago · 3 km deep · 76 km away
  57. 1.515 km NE of East Foothills, California · 14922 days ago · 8 km deep · 47 km away
  58. 2.711 km ESE of East Foothills, California · 14921 days ago · 7 km deep · 56 km away
  59. 2.211 km ESE of East Foothills, California · 14921 days ago · 7 km deep · 57 km away
  60. 1.55 km ENE of Fremont, California · 14918 days ago · 11 km deep · 25 km away

The first 60 of 79.

Before

  1. 2.89 km NE of Gilroy, California · 14969 days ago · 9 km deep · 93 km away
  2. 3.013 km N of Morgan Hill, California · 14970 days ago · 5 km deep · 67 km away
  3. 1.712 km WSW of Byron, California · 14970 days ago · 10 km deep · 33 km away
  4. 2.312 km N of Morgan Hill, California · 14970 days ago · 3 km deep · 68 km away
  5. 1.68 km NNE of Interlaken, California · 14971 days ago · 8 km deep · 85 km away
  6. 3.07 km N of Interlaken, California · 14971 days ago · 8 km deep · 86 km away
  7. 1.86 km SSE of Moskowite Corner, California · 14971 days ago · 5 km deep · 75 km away
  8. 1.716 km NE of East Foothills, California · 14972 days ago · 8 km deep · 46 km away
  9. 1.711 km NW of Moskowite Corner, California · 14972 days ago · 4 km deep · 88 km away
  10. 1.68 km NE of San Martin, California · 14973 days ago · 6 km deep · 83 km away
  11. 1.64 km SE of Larkfield-Wikiup, California · 14974 days ago · 8 km deep · 100 km away
  12. 1.511 km SSW of Brentwood, California · 14975 days ago · 12 km deep · 34 km away
  13. 2.813 km N of Morgan Hill, California · 14976 days ago · 4 km deep · 68 km away
  14. 1.615 km N of Morgan Hill, California · 14977 days ago · 8 km deep · 65 km away
  15. 2.07 km NNE of Interlaken, California · 14977 days ago · 7 km deep · 87 km away
  16. 1.76 km NE of East Foothills, California · 14978 days ago · 9 km deep · 45 km away
  17. 2.84 km NE of San Leandro, California · 14978 days ago · 11 km deep · 4 km away
  18. 1.616 km E of Seven Trees, California · 14979 days ago · 5 km deep · 64 km away
  19. 1.916 km E of Seven Trees, California · 14979 days ago · 6 km deep · 64 km away
  20. 1.62 km E of Rodeo, California · 14979 days ago · 4 km deep · 36 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc56528. Read Fri, Oct 2, 2026, 4:24 AM UTC.