California earthquakes

M1.9 earthquake 6 km WSW of Cobb, California

A magnitude 1.9 earthquake struck 6 km WSW of Cobb, California on Wed, Jul 17, 1985, 2:13 AM PDT (09:13 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M4.0 5 km SW of Cobb, California. This one was a foreshock.

Cobb forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1985-07-17 09:13:17 UTC
Depth
3.4 km (2.1 mi), shallow
Epicenter
38.807° N, 122.794° 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, 0.3 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
38°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 180 in the 60 days after this one and 95 in the 30 days before it.

After

  1. 2.57 km W of Cobb, California · 15047 days ago · 3 km deep · 1 km away
  2. 1.76 km W of Cobb, California · 15047 days ago · 3 km deep · 1 km away
  3. 2.06 km WSW of Cobb, California · 15046 days ago · 1 km deep · 0 km away
  4. 1.86 km WSW of Cobb, California · 15046 days ago · 1 km deep · 0 km away
  5. 2.85 km W of Cobb, California · 15046 days ago · 0 km deep · 2 km away
  6. 1.85 km W of Cobb, California · 15046 days ago · 0 km deep · 2 km away
  7. 1.67 km WSW of Cobb, California · 15045 days ago · 1 km deep · 1 km away
  8. 1.713 km NE of Hidden Valley Lake, California · 15045 days ago · 14 km deep · 32 km away
  9. 1.87 km NW of Cobb, California · 15045 days ago · 4 km deep · 8 km away
  10. 1.67 km SE of Willits, California · 15044 days ago · 6 km deep · 75 km away
  11. 1.66 km W of Glen Ellen, California · 15044 days ago · 3 km deep · 51 km away
  12. 2.18 km W of Cobb, California · 15042 days ago · -1 km deep · 3 km away
  13. 1.97 km W of Cobb, California · 15040 days ago · 1 km deep · 2 km away
  14. 1.79 km ESE of Hidden Valley Lake, California · 15040 days ago · 7 km deep · 30 km away
  15. 1.76 km WNW of Cobb, California · 15039 days ago · 1 km deep · 3 km away
  16. 1.78 km SW of Cobb, California · 15039 days ago · 3 km deep · 3 km away
  17. 1.66 km W of Cobb, California · 15039 days ago · 3 km deep · 1 km away
  18. 3.57 km WSW of Cobb, California · 15039 days ago · 2 km deep · 1 km away
  19. 3.57 km WSW of Cobb, California · 15039 days ago · 3 km deep · 1 km away
  20. 2.18 km W of Cobb, California · 15039 days ago · 0 km deep · 2 km away
  21. 1.97 km WSW of Cobb, California · 15039 days ago · 1 km deep · 1 km away
  22. 1.87 km WSW of Cobb, California · 15039 days ago · 1 km deep · 1 km away
  23. 2.27 km W of Cobb, California · 15039 days ago · 1 km deep · 2 km away
  24. 1.68 km W of Cobb, California · 15039 days ago · 1 km deep · 2 km away
  25. 1.67 km W of Cobb, California · 15039 days ago · 0 km deep · 3 km away
  26. 1.910 km S of Comptche, California · 15039 days ago · 5 km deep · 80 km away
  27. 1.67 km W of Cobb, California · 15038 days ago · 1 km deep · 1 km away
  28. 2.027 km N of Potter Valley, California · 15038 days ago · 4 km deep · 88 km away
  29. 1.95 km SW of Cobb, California · 15036 days ago · 0 km deep · 3 km away
  30. 1.67 km W of Cobb, California · 15036 days ago · 3 km deep · 2 km away
  31. 2.125 km WNW of Elk Creek, California · 15036 days ago · 4 km deep · 100 km away
  32. 2.15 km WSW of Cobb, California · 15035 days ago · 0 km deep · 1 km away
  33. 3.35 km WSW of Cobb, California · 15035 days ago · 0 km deep · 1 km away
  34. 1.76 km WSW of Cobb, California · 15035 days ago · 0 km deep · 1 km away
  35. 1.610 km W of Cobb, California · 15034 days ago · 2 km deep · 4 km away
  36. 1.78 km W of Cobb, California · 15034 days ago · 0 km deep · 3 km away
  37. 1.74 km E of Cloverdale, California · 15033 days ago · 22 km deep · 15 km away
  38. 1.70 km SSE of Redwood Valley, California · 15033 days ago · 6 km deep · 62 km away
  39. 1.811 km NE of Potter Valley, California · 15033 days ago · 1 km deep · 69 km away
  40. 1.60 km WSW of Redwood Valley, California · 15033 days ago · 7 km deep · 62 km away
  41. 2.80 km NNE of Redwood Valley, California · 15033 days ago · 6 km deep · 62 km away
  42. 1.50 km SW of Redwood Valley, California · 15033 days ago · 4 km deep · 62 km away
  43. 1.55 km W of Cobb, California · 15032 days ago · 0 km deep · 2 km away
  44. 1.76 km W of Cobb, California · 15032 days ago · 3 km deep · 1 km away
  45. 1.65 km WSW of Hopland, California · 15032 days ago · 5 km deep · 36 km away
  46. 2.021 km NNE of Upper Lake, California · 15030 days ago · 6 km deep · 61 km away
  47. 1.86 km E of Calpella, California · 15030 days ago · 5 km deep · 56 km away
  48. 1.53 km SSW of Cobb, California · 15030 days ago · 1 km deep · 4 km away
  49. 2.87 km W of Cobb, California · 15029 days ago · 3 km deep · 2 km away
  50. 2.26 km WSW of Cobb, California · 15028 days ago · 0 km deep · 1 km away
  51. 3.27 km W of Cobb, California · 15027 days ago · 1 km deep · 2 km away
  52. 2.14 km WSW of Cobb, California · 15027 days ago · 1 km deep · 2 km away
  53. 1.910 km SW of Williams, California · 15026 days ago · 15 km deep · 57 km away
  54. 1.66 km WSW of Cobb, California · 15026 days ago · 0 km deep · 1 km away
  55. 2.34 km NNE of Boonville, California · 15026 days ago · 4 km deep · 55 km away
  56. 1.66 km SW of Cobb, California · 15026 days ago · 0 km deep · 3 km away
  57. 3.25 km SW of Cobb, California · 15025 days ago · 2 km deep · 3 km away
  58. 4.05 km SW of Cobb, California · 15025 days ago · -1 km deep · 2 km away
  59. 2.15 km SW of Cobb, California · 15025 days ago · 0 km deep · 2 km away
  60. 2.14 km NW of Redwood Valley, California · 15025 days ago · 5 km deep · 66 km away

The first 60 of 180.

Before

  1. 2.26 km W of Cobb, California · 15048 days ago · 3 km deep · 1 km away
  2. 1.86 km W of Cobb, California · 15048 days ago · 3 km deep · 2 km away
  3. 1.67 km WSW of Cobb, California · 15048 days ago · 1 km deep · 1 km away
  4. 2.34 km WSW of Cobb, California · 15048 days ago · 1 km deep · 2 km away
  5. 2.110 km S of Kelseyville, California · 15049 days ago · 4 km deep · 10 km away
  6. 2.024 km NNE of Potter Valley, California · 15049 days ago · 4 km deep · 83 km away
  7. 1.810 km S of Kelseyville, California · 15050 days ago · 4 km deep · 10 km away
  8. 1.66 km WSW of Cobb, California · 15050 days ago · 3 km deep · 0 km away
  9. 1.58 km WSW of Cobb, California · 15050 days ago · 3 km deep · 2 km away
  10. 2.27 km SSW of Colusa, California · 15051 days ago · 15 km deep · 74 km away
  11. 1.65 km SSE of Cobb, California · 15051 days ago · 16 km deep · 9 km away
  12. 1.88 km W of Cobb, California · 15052 days ago · 1 km deep · 3 km away
  13. 1.87 km W of Cobb, California · 15052 days ago · 1 km deep · 2 km away
  14. 1.59 km W of Cobb, California · 15052 days ago · -1 km deep · 3 km away
  15. 1.77 km W of Cobb, California · 15052 days ago · 1 km deep · 3 km away
  16. 3.37 km W of Cobb, California · 15052 days ago · 0 km deep · 2 km away
  17. 1.7Northern California · 15052 days ago · 6 km deep · 57 km away
  18. 2.36 km ESE of Suisun, California · 15052 days ago · 5 km deep · 97 km away
  19. 2.16 km WSW of Eldridge, California · 15052 days ago · 6 km deep · 57 km away
  20. 1.73 km SW of Cobb, California · 15052 days ago · 1 km deep · 4 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc51240. Read Mon, Sep 28, 2026, 4:25 AM UTC.