California earthquakes

M1.9 earthquake 3 km WSW of Glen Ellen, California

A magnitude 1.9 earthquake struck 3 km WSW of Glen Ellen, California on Thu, Sep 12, 1985, 10:24 AM PDT (17:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.6 7 km W of Cobb, California. This one was a foreshock.

Glen Ellen 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-09-12 17:24:48 UTC
Depth
8.2 km (5.1 mi), shallow
Epicenter
38.358° N, 122.560° 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 0.3 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
76°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 128 in the 30 days before it.

After

  1. 2.16 km NE of Windsor, California · 14996 days ago · 5 km deep · 31 km away
  2. 2.2Northern California · 14996 days ago · 2 km deep · 100 km away
  3. 1.66 km W of Cobb, California · 14995 days ago · 0 km deep · 56 km away
  4. 2.512 km NE of Upper Lake, California · 14995 days ago · 3 km deep · 100 km away
  5. 1.64 km W of Cobb, California · 14995 days ago · 0 km deep · 55 km away
  6. 1.68 km W of Cobb, California · 14995 days ago · 1 km deep · 56 km away
  7. 2.44 km E of Williams, California · 14995 days ago · 16 km deep · 97 km away
  8. 1.65 km W of Cobb, California · 14995 days ago · 1 km deep · 55 km away
  9. 1.812 km NE of Upper Lake, California · 14994 days ago · 2 km deep · 100 km away
  10. 1.85 km W of Cobb, California · 14994 days ago · 0 km deep · 54 km away
  11. 1.94 km WSW of Cobb, California · 14994 days ago · 1 km deep · 53 km away
  12. 2.36 km W of Cobb, California · 14994 days ago · 3 km deep · 56 km away
  13. 1.86 km W of Cobb, California · 14993 days ago · 3 km deep · 56 km away
  14. 1.66 km WNW of Cobb, California · 14993 days ago · 1 km deep · 57 km away
  15. 1.78 km WNW of Cobb, California · 14993 days ago · -1 km deep · 60 km away
  16. 2.05 km NE of Williams, California · 14993 days ago · 18 km deep · 100 km away
  17. 1.86 km E of Williams, California · 14993 days ago · 4 km deep · 99 km away
  18. 1.66 km W of Cobb, California · 14992 days ago · 3 km deep · 55 km away
  19. 3.67 km W of Cobb, California · 14992 days ago · 10 km deep · 57 km away
  20. 2.15 km SW of Cobb, California · 14992 days ago · -1 km deep · 51 km away
  21. 1.95 km SW of Cobb, California · 14992 days ago · 0 km deep · 51 km away
  22. 1.76 km W of Cobb, California · 14992 days ago · 2 km deep · 55 km away
  23. 1.95 km SW of Cobb, California · 14992 days ago · 0 km deep · 51 km away
  24. 1.910 km NNW of Moskowite Corner, California · 14992 days ago · 9 km deep · 35 km away
  25. 1.86 km WSW of Cobb, California · 14992 days ago · 4 km deep · 54 km away
  26. 1.65 km SW of Cobb, California · 14991 days ago · 0 km deep · 51 km away
  27. 2.55 km SW of Cobb, California · 14991 days ago · 1 km deep · 51 km away
  28. 2.55 km ENE of Williams, California · 14990 days ago · 10 km deep · 100 km away
  29. 2.09 km WNW of Arbuckle, California · 14990 days ago · 5 km deep · 86 km away
  30. 2.07 km ESE of Williams, California · 14990 days ago · 8 km deep · 95 km away
  31. 2.36 km ENE of Williams, California · 14990 days ago · 16 km deep · 99 km away
  32. 1.66 km SW of Cobb, California · 14990 days ago · 0 km deep · 51 km away
  33. 1.85 km E of Clearlake Oaks, California · 14990 days ago · -1 km deep · 74 km away
  34. 2.14 km SW of Cobb, California · 14989 days ago · -1 km deep · 52 km away
  35. 1.610 km NW of Cobb, California · 14989 days ago · 1 km deep · 62 km away
  36. 1.86 km WSW of Cobb, California · 14988 days ago · 1 km deep · 54 km away
  37. 1.97 km W of Cobb, California · 14988 days ago · 0 km deep · 55 km away
  38. 2.16 km W of Cobb, California · 14988 days ago · 1 km deep · 57 km away
  39. 1.86 km SW of Hopland, California · 14988 days ago · 4 km deep · 84 km away
  40. 2.27 km W of Cobb, California · 14988 days ago · 3 km deep · 55 km away
  41. 1.95 km SW of Cobb, California · 14987 days ago · 2 km deep · 51 km away
  42. 2.46 km W of Cobb, California · 14987 days ago · 1 km deep · 56 km away
  43. 1.611 km SW of Brentwood, California · 14986 days ago · 11 km deep · 88 km away
  44. 1.99 km W of Cobb, California · 14986 days ago · 0 km deep · 57 km away
  45. 1.57 km WSW of Cobb, California · 14986 days ago · 0 km deep · 54 km away
  46. 1.63 km SW of Cobb, California · 14986 days ago · 1 km deep · 51 km away
  47. 1.57 km W of Cobb, California · 14985 days ago · 1 km deep · 56 km away
  48. 1.65 km WSW of Cobb, California · 14985 days ago · 1 km deep · 53 km away
  49. 1.85 km NNE of Windsor, California · 14985 days ago · 5 km deep · 33 km away
  50. 2.36 km NNE of Windsor, California · 14985 days ago · 1 km deep · 34 km away
  51. 2.510 km N of Cloverdale, California · 14984 days ago · -1 km deep · 71 km away
  52. 3.15 km WSW of Cobb, California · 14984 days ago · -1 km deep · 53 km away
  53. 1.95 km WSW of Cobb, California · 14984 days ago · 0 km deep · 52 km away
  54. 1.64 km S of Cobb, California · 14984 days ago · 2 km deep · 49 km away
  55. 1.611 km SW of Brentwood, California · 14984 days ago · 15 km deep · 89 km away
  56. 2.55 km SW of Cobb, California · 14983 days ago · 0 km deep · 50 km away
  57. 2.19 km ENE of Hopland, California · 14983 days ago · 23 km deep · 81 km away
  58. 2.05 km S of Moskowite Corner, California · 14983 days ago · 8 km deep · 31 km away
  59. 2.47 km W of Cobb, California · 14983 days ago · 3 km deep · 55 km away
  60. 1.82 km E of North Gate, California · 14983 days ago · 12 km deep · 72 km away

The first 60 of 167.

Before

  1. 2.13 km W of Glen Ellen, California · 14996 days ago · 8 km deep · 1 km away
  2. 1.98 km W of Cobb, California · 14996 days ago · 1 km deep · 57 km away
  3. 1.96 km W of Cobb, California · 14997 days ago · 4 km deep · 55 km away
  4. 1.58 km WSW of Cobb, California · 14997 days ago · 0 km deep · 54 km away
  5. 2.67 km WNW of Broadmoor, California · 14998 days ago · 8 km deep · 72 km away
  6. 2.06 km W of Cobb, California · 14998 days ago · 1 km deep · 55 km away
  7. 2.010 km NW of Cobb, California · 14998 days ago · 0 km deep · 62 km away
  8. 1.63 km SW of Cobb, California · 14998 days ago · 0 km deep · 51 km away
  9. 1.99 km NW of Cobb, California · 14998 days ago · 1 km deep · 61 km away
  10. 1.78 km W of Cobb, California · 14998 days ago · 0 km deep · 56 km away
  11. 1.89 km W of Cobb, California · 14998 days ago · 1 km deep · 56 km away
  12. 1.59 km ESE of Hidden Valley Lake, California · 14998 days ago · 4 km deep · 46 km away
  13. 1.98 km W of Cobb, California · 14999 days ago · 1 km deep · 56 km away
  14. 1.74 km SSW of Cobb, California · 15000 days ago · 2 km deep · 50 km away
  15. 2.012 km NNW of Moskowite Corner, California · 15000 days ago · 0 km deep · 35 km away
  16. 1.85 km SW of Cobb, California · 15001 days ago · 0 km deep · 51 km away
  17. 2.74 km WSW of Cobb, California · 15001 days ago · 2 km deep · 54 km away
  18. 1.65 km WSW of Cobb, California · 15001 days ago · 1 km deep · 54 km away
  19. 2.16 km W of Cobb, California · 15001 days ago · 2 km deep · 55 km away
  20. 1.87 km W of Cobb, California · 15001 days ago · 0 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55007. Read Sat, Oct 3, 2026, 1:41 PM UTC.