California earthquakes

M1.9 earthquake 7 km ENE of Clearlake, California

A magnitude 1.9 earthquake struck 7 km ENE of Clearlake, California on Wed, Sep 25, 1985, 9:40 AM PDT (16:40 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.1 5 km NW of Cobb, California. This one was a foreshock.

Clearlake 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), micro
Local time
UTC
1985-09-25 16:40:17 UTC
Depth
3.2 km (2.0 mi), shallow
Epicenter
38.989° N, 122.550° 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 0.4 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
91°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 173 in the 60 days after this one and 145 in the 30 days before it.

After

  1. 1.77 km W of Cobb, California · 14978 days ago · 3 km deep · 29 km away
  2. 2.52 km E of Moskowite Corner, California · 14978 days ago · 4 km deep · 69 km away
  3. 1.63 km NE of Santa Rosa, California · 14977 days ago · 2 km deep · 59 km away
  4. 2.28 km W of Cobb, California · 14976 days ago · 1 km deep · 30 km away
  5. 1.51 km ESE of Clear Lake Riviera, California · 14976 days ago · 1 km deep · 14 km away
  6. 1.64 km ESE of Moskowite Corner, California · 14976 days ago · 5 km deep · 72 km away
  7. 2.06 km W of Cobb, California · 14975 days ago · 2 km deep · 29 km away
  8. 1.76 km W of Cobb, California · 14975 days ago · 3 km deep · 28 km away
  9. 1.74 km S of Cobb, California · 14975 days ago · 2 km deep · 28 km away
  10. 1.64 km S of Cobb, California · 14974 days ago · 2 km deep · 27 km away
  11. 1.65 km SW of Cobb, California · 14974 days ago · 1 km deep · 30 km away
  12. 2.019 km N of Upper Lake, California · 14974 days ago · 5 km deep · 48 km away
  13. 1.89 km W of Cobb, California · 14972 days ago · 0 km deep · 31 km away
  14. 1.74 km WSW of Cobb, California · 14972 days ago · 1 km deep · 28 km away
  15. 1.98 km WSW of Cobb, California · 14971 days ago · 1 km deep · 31 km away
  16. 1.64 km SE of Larkfield-Wikiup, California · 14971 days ago · 8 km deep · 57 km away
  17. 1.812 km WNW of Calistoga, California · 14970 days ago · 8 km deep · 42 km away
  18. 2.58 km W of Cobb, California · 14969 days ago · 1 km deep · 30 km away
  19. 1.64 km NW of Redwood Valley, California · 14969 days ago · 7 km deep · 68 km away
  20. 2.34 km WSW of Cobb, California · 14969 days ago · 1 km deep · 28 km away
  21. 1.711 km NW of Moskowite Corner, California · 14968 days ago · 4 km deep · 58 km away
  22. 2.25 km WSW of Cobb, California · 14968 days ago · 1 km deep · 28 km away
  23. 1.86 km SSE of Moskowite Corner, California · 14968 days ago · 5 km deep · 74 km away
  24. 2.24 km W of Cobb, California · 14967 days ago · 0 km deep · 27 km away
  25. 3.28 km SE of Hopland, California · 14967 days ago · 4 km deep · 43 km away
  26. 1.58 km SE of Hopland, California · 14967 days ago · 1 km deep · 43 km away
  27. 1.613 km SSE of Boonville, California · 14966 days ago · -1 km deep · 65 km away
  28. 2.48 km SE of Hopland, California · 14966 days ago · 2 km deep · 43 km away
  29. 2.78 km NW of Redwood Valley, California · 14966 days ago · -1 km deep · 73 km away
  30. 2.56 km W of Cobb, California · 14966 days ago · 3 km deep · 29 km away
  31. 1.98 km SE of Hopland, California · 14966 days ago · 1 km deep · 43 km away
  32. 1.88 km WSW of Cobb, California · 14965 days ago · 3 km deep · 31 km away
  33. 1.8Northern California · 14965 days ago · 0 km deep · 30 km away
  34. 2.28 km W of Cobb, California · 14965 days ago · 0 km deep · 29 km away
  35. 2.55 km SW of Cobb, California · 14964 days ago · 0 km deep · 29 km away
  36. 1.95 km SW of Cobb, California · 14964 days ago · 0 km deep · 30 km away
  37. 1.65 km W of Cobb, California · 14963 days ago · 0 km deep · 27 km away
  38. 1.57 km WSW of Cobb, California · 14963 days ago · 1 km deep · 31 km away
  39. 2.112 km NNW of Potter Valley, California · 14963 days ago · 5 km deep · 72 km away
  40. 2.05 km SW of Cobb, California · 14962 days ago · 2 km deep · 29 km away
  41. 1.97 km NNE of Upper Lake, California · 14962 days ago · 7 km deep · 40 km away
  42. 2.67 km WSW of Glen Ellen, California · 14962 days ago · 8 km deep · 73 km away
  43. 2.04 km WSW of Cobb, California · 14962 days ago · 1 km deep · 28 km away
  44. 2.610 km ENE of Artois, California · 14960 days ago · 22 km deep · 83 km away
  45. 2.05 km WNW of Cobb, California · 14960 days ago · 2 km deep · 26 km away
  46. 2.46 km WSW of Cobb, California · 14959 days ago · -1 km deep · 30 km away
  47. 1.67 km WSW of Cobb, California · 14959 days ago · 1 km deep · 30 km away
  48. 1.820 km ENE of Clearlake, California · 14959 days ago · 6 km deep · 13 km away
  49. 1.66 km W of Cobb, California · 14959 days ago · 3 km deep · 29 km away
  50. 1.55 km WSW of Cobb, California · 14959 days ago · 1 km deep · 29 km away
  51. 1.818 km E of Potter Valley, California · 14959 days ago · 6 km deep · 51 km away
  52. 1.66 km WSW of Cobb, California · 14959 days ago · 4 km deep · 30 km away
  53. 1.77 km WSW of Cobb, California · 14958 days ago · 1 km deep · 31 km away
  54. 1.76 km ENE of Willits, California · 14957 days ago · 4 km deep · 80 km away
  55. 1.78 km WSW of Cobb, California · 14957 days ago · 4 km deep · 31 km away
  56. 1.86 km W of Cobb, California · 14957 days ago · 0 km deep · 28 km away
  57. 2.06 km W of Cobb, California · 14957 days ago · 0 km deep · 28 km away
  58. 1.97 km WSW of Cobb, California · 14956 days ago · 4 km deep · 31 km away
  59. 2.38 km W of Cobb, California · 14956 days ago · 1 km deep · 30 km away
  60. 1.96 km W of Cobb, California · 14956 days ago · 1 km deep · 29 km away

The first 60 of 173.

Before

  1. 1.75 km SW of Cobb, California · 14978 days ago · 1 km deep · 30 km away
  2. 2.47 km W of Cobb, California · 14978 days ago · 3 km deep · 30 km away
  3. 2.05 km S of Moskowite Corner, California · 14978 days ago · 8 km deep · 72 km away
  4. 2.19 km ENE of Hopland, California · 14978 days ago · 23 km deep · 40 km away
  5. 2.55 km SW of Cobb, California · 14978 days ago · 0 km deep · 30 km away
  6. 1.64 km S of Cobb, California · 14979 days ago · 2 km deep · 28 km away
  7. 1.95 km WSW of Cobb, California · 14979 days ago · 0 km deep · 29 km away
  8. 3.15 km WSW of Cobb, California · 14979 days ago · -1 km deep · 29 km away
  9. 2.510 km N of Cloverdale, California · 14979 days ago · -1 km deep · 40 km away
  10. 2.36 km NNE of Windsor, California · 14980 days ago · 1 km deep · 48 km away
  11. 1.85 km NNE of Windsor, California · 14980 days ago · 5 km deep · 49 km away
  12. 1.65 km WSW of Cobb, California · 14980 days ago · 1 km deep · 29 km away
  13. 1.57 km W of Cobb, California · 14980 days ago · 1 km deep · 29 km away
  14. 1.63 km SW of Cobb, California · 14981 days ago · 1 km deep · 28 km away
  15. 1.57 km WSW of Cobb, California · 14981 days ago · 0 km deep · 31 km away
  16. 1.99 km W of Cobb, California · 14981 days ago · 0 km deep · 31 km away
  17. 2.46 km W of Cobb, California · 14982 days ago · 1 km deep · 27 km away
  18. 1.95 km SW of Cobb, California · 14982 days ago · 2 km deep · 30 km away
  19. 2.127 km ESE of Covelo, California · 14983 days ago · 4 km deep · 86 km away
  20. 2.27 km W of Cobb, California · 14983 days ago · 3 km deep · 29 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc55867. Read Mon, Sep 28, 2026, 2:02 PM UTC.