California earthquakes

M1.9 earthquake 11 km NNE of Comptche, California

A magnitude 1.9 earthquake struck 11 km NNE of Comptche, California on Sun, Mar 10, 1985, 12:36 PM PST (20:36 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.0 2 km SSE of Clear Lake Riviera, California. This one was a foreshock.

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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
1985-03-10 20:36:44 UTC
Depth
2.0 km (1.2 mi), shallow
Epicenter
39.361° N, 123.549° 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 8.1 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
300°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 1.92 km SSE of Clear Lake Riviera, California · 15171 days ago · 1 km deep · 86 km away
  2. 2.02 km SSE of Clear Lake Riviera, California · 15171 days ago · 0 km deep · 87 km away
  3. 1.63 km E of Clear Lake Riviera, California · 15171 days ago · 0 km deep · 88 km away
  4. 1.711 km SE of Hopland, California · 15171 days ago · 2 km deep · 68 km away
  5. 1.57 km W of Cobb, California · 15170 days ago · 0 km deep · 88 km away
  6. 2.57 km W of Cobb, California · 15170 days ago · 2 km deep · 88 km away
  7. 1.74 km W of Cobb, California · 15169 days ago · 0 km deep · 90 km away
  8. 1.59 km WSW of Cobb, California · 15169 days ago · 1 km deep · 87 km away
  9. 2.010 km SSE of Leggett, California · 15169 days ago · 6 km deep · 47 km away
  10. 2.05 km SW of Cobb, California · 15167 days ago · 0 km deep · 92 km away
  11. 1.56 km W of Cobb, California · 15166 days ago · 4 km deep · 89 km away
  12. 1.86 km WSW of Clear Lake Riviera, California · 15166 days ago · 6 km deep · 82 km away
  13. 1.98 km WSW of Cobb, California · 15166 days ago · 3 km deep · 89 km away
  14. 4.111 km NNE of Cloverdale, California · 15166 days ago · 13 km deep · 74 km away
  15. 3.020 km NNE of Upper Lake, California · 15165 days ago · 10 km deep · 64 km away
  16. 2.56 km W of Cobb, California · 15165 days ago · 1 km deep · 88 km away
  17. 1.87 km W of Cobb, California · 15165 days ago · 2 km deep · 87 km away
  18. 1.97 km WSW of Cobb, California · 15165 days ago · 1 km deep · 89 km away
  19. 2.48 km WSW of Cobb, California · 15164 days ago · 4 km deep · 89 km away
  20. 1.55 km SW of Cobb, California · 15164 days ago · 0 km deep · 93 km away
  21. 2.07 km WSW of Cobb, California · 15164 days ago · 0 km deep · 89 km away
  22. 1.56 km W of Cobb, California · 15164 days ago · 1 km deep · 89 km away
  23. 2.06 km W of Cobb, California · 15163 days ago · 2 km deep · 89 km away
  24. 1.7Northern California · 15163 days ago · 0 km deep · 90 km away
  25. 1.74 km W of Cobb, California · 15163 days ago · 0 km deep · 90 km away
  26. 1.827 km WSW of Leggett, California · 15162 days ago · 2 km deep · 57 km away
  27. 1.76 km W of Cobb, California · 15162 days ago · 3 km deep · 88 km away
  28. 1.85 km SW of Cobb, California · 15162 days ago · 1 km deep · 92 km away
  29. 1.97 km W of Cobb, California · 15162 days ago · 1 km deep · 89 km away
  30. 2.05 km WSW of Cobb, California · 15161 days ago · 0 km deep · 91 km away
  31. 2.75 km W of Cobb, California · 15161 days ago · 3 km deep · 89 km away
  32. 2.09 km W of Cobb, California · 15161 days ago · 2 km deep · 87 km away
  33. 1.85 km SW of Cobb, California · 15161 days ago · 4 km deep · 92 km away
  34. 1.65 km W of Cobb, California · 15160 days ago · -1 km deep · 89 km away
  35. 1.54 km N of Laytonville, California · 15160 days ago · 11 km deep · 41 km away
  36. 1.87 km WSW of Cobb, California · 15160 days ago · 1 km deep · 89 km away
  37. 1.819 km NNE of Upper Lake, California · 15160 days ago · 0 km deep · 63 km away
  38. 2.27 km WSW of Cobb, California · 15160 days ago · 2 km deep · 89 km away
  39. 3.04 km W of Cobb, California · 15160 days ago · -1 km deep · 89 km away
  40. 1.924 km W of Paskenta, California · 15159 days ago · -1 km deep · 88 km away
  41. 1.68 km W of Cobb, California · 15159 days ago · 0 km deep · 87 km away
  42. 3.15 km WSW of Laytonville, California · 15159 days ago · 2 km deep · 34 km away
  43. 2.35 km SW of Cobb, California · 15159 days ago · 1 km deep · 94 km away
  44. 1.912 km NW of Upper Lake, California · 15159 days ago · 5 km deep · 48 km away
  45. 3.27 km NNE of Hopland, California · 15159 days ago · 2 km deep · 54 km away
  46. 1.96 km W of Cobb, California · 15158 days ago · 3 km deep · 88 km away
  47. 2.06 km SW of Cobb, California · 15158 days ago · 1 km deep · 94 km away
  48. 1.55 km SSW of Cobb, California · 15157 days ago · 1 km deep · 94 km away
  49. 2.36 km WSW of Cobb, California · 15157 days ago · -1 km deep · 91 km away
  50. 1.86 km WSW of Cobb, California · 15157 days ago · 0 km deep · 91 km away
  51. 1.87 km WSW of Cobb, California · 15157 days ago · 1 km deep · 89 km away
  52. 2.14 km WSW of Cobb, California · 15157 days ago · 2 km deep · 91 km away
  53. 1.65 km SW of Cobb, California · 15157 days ago · 1 km deep · 92 km away
  54. 1.96 km WSW of Cobb, California · 15155 days ago · 4 km deep · 89 km away
  55. 1.621 km S of Ruth, California · 15154 days ago · 6 km deep · 83 km away
  56. 2.322 km S of Ruth, California · 15154 days ago · 8 km deep · 81 km away
  57. 1.66 km W of Cobb, California · 15154 days ago · 3 km deep · 89 km away
  58. 2.97 km W of Cobb, California · 15154 days ago · 1 km deep · 88 km away
  59. 1.6Northern California · 15154 days ago · 1 km deep · 88 km away
  60. 1.88 km W of Cobb, California · 15154 days ago · 0 km deep · 87 km away

The first 60 of 186.

Before

  1. 2.37 km W of Cobb, California · 15172 days ago · 0 km deep · 87 km away
  2. 1.55 km W of Cobb, California · 15173 days ago · 0 km deep · 89 km away
  3. 2.05 km W of Cobb, California · 15173 days ago · 1 km deep · 89 km away
  4. 1.65 km WSW of Cobb, California · 15173 days ago · 0 km deep · 91 km away
  5. 1.96 km SW of Cobb, California · 15174 days ago · 1 km deep · 93 km away
  6. 2.56 km W of Cobb, California · 15174 days ago · 3 km deep · 88 km away
  7. 2.17 km WSW of Cobb, California · 15174 days ago · 0 km deep · 89 km away
  8. 1.617 km WNW of Brooktrails, California · 15174 days ago · 1 km deep · 13 km away
  9. 3.28 km W of Cobb, California · 15175 days ago · 0 km deep · 88 km away
  10. 1.610 km W of Cobb, California · 15175 days ago · 8 km deep · 84 km away
  11. 1.86 km WSW of Cobb, California · 15175 days ago · 4 km deep · 90 km away
  12. 2.15 km WSW of Clear Lake Riviera, California · 15175 days ago · 4 km deep · 82 km away
  13. 1.66 km SSE of Kelseyville, California · 15175 days ago · 4 km deep · 81 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1126518. Read Wed, Sep 23, 2026, 3:31 AM UTC.