California earthquakes

M2.1 earthquake 9 km ENE of Brooktrails, California

A magnitude 2.1 earthquake struck 9 km ENE of Brooktrails, California on Mon, Jun 17, 1985, 3:21 AM PDT (10:21 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 12 km WSW of Kelseyville, California. This one was a foreshock.

Brooktrails 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
2.1 (md), micro
Local time
UTC
1985-06-17 10:21:03 UTC
Depth
9.7 km (6.0 mi), shallow
Epicenter
39.486° N, 123.290° 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
±0.23
Depth from
From location
Station coverage gap
111°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 160 in the 60 days after this one and 89 in the 30 days before it.

After

  1. 1.77 km W of Cobb, California · 15078 days ago · 0 km deep · 84 km away
  2. 1.57 km W of Cobb, California · 15078 days ago · 1 km deep · 84 km away
  3. 2.76 km W of Cobb, California · 15078 days ago · 3 km deep · 85 km away
  4. 1.67 km W of Cobb, California · 15077 days ago · 1 km deep · 84 km away
  5. 3.025 km WNW of Paskenta, California · 15076 days ago · -1 km deep · 65 km away
  6. 1.63 km SW of Cobb, California · 15076 days ago · 1 km deep · 90 km away
  7. 2.510 km WSW of Cobb, California · 15076 days ago · 2 km deep · 85 km away
  8. 2.87 km W of Cobb, California · 15076 days ago · 4 km deep · 85 km away
  9. 1.66 km W of Cobb, California · 15075 days ago · 0 km deep · 85 km away
  10. 1.76 km SW of Cobb, California · 15075 days ago · 4 km deep · 90 km away
  11. 2.96 km W of Cobb, California · 15075 days ago · 1 km deep · 85 km away
  12. 1.75 km WSW of Cobb, California · 15075 days ago · 2 km deep · 87 km away
  13. 2.613 km ENE of Cloverdale, California · 15074 days ago · 4 km deep · 80 km away
  14. 1.97 km W of Cobb, California · 15074 days ago · 1 km deep · 85 km away
  15. 2.617 km N of Upper Lake, California · 15074 days ago · 11 km deep · 39 km away
  16. 1.97 km W of Cobb, California · 15073 days ago · 3 km deep · 85 km away
  17. 1.64 km W of Cobb, California · 15073 days ago · 1 km deep · 86 km away
  18. 2.67 km W of Cobb, California · 15073 days ago · 3 km deep · 86 km away
  19. 2.47 km W of Cobb, California · 15073 days ago · 3 km deep · 86 km away
  20. 2.06 km SW of Cobb, California · 15072 days ago · 1 km deep · 90 km away
  21. 2.18 km WSW of Cobb, California · 15072 days ago · 4 km deep · 87 km away
  22. 1.94 km SW of Cobb, California · 15072 days ago · 0 km deep · 90 km away
  23. 1.75 km SSW of Cobb, California · 15071 days ago · -1 km deep · 91 km away
  24. 2.210 km NNW of Stonyford, California · 15070 days ago · 7 km deep · 61 km away
  25. 1.87 km W of Cobb, California · 15069 days ago · 3 km deep · 85 km away
  26. 2.310 km NNW of Stonyford, California · 15069 days ago · 4 km deep · 60 km away
  27. 2.25 km E of Calpella, California · 15069 days ago · 7 km deep · 31 km away
  28. 1.66 km E of Calpella, California · 15068 days ago · 4 km deep · 31 km away
  29. 1.96 km WSW of Cobb, California · 15068 days ago · 3 km deep · 87 km away
  30. 2.04 km WSW of Cobb, California · 15067 days ago · 1 km deep · 88 km away
  31. 2.06 km W of Cobb, California · 15066 days ago · 3 km deep · 85 km away
  32. 1.66 km W of Cobb, California · 15065 days ago · 3 km deep · 85 km away
  33. 1.86 km W of Cobb, California · 15065 days ago · 0 km deep · 85 km away
  34. 2.06 km W of Cobb, California · 15064 days ago · 2 km deep · 86 km away
  35. 1.96 km W of Cobb, California · 15064 days ago · 2 km deep · 86 km away
  36. 2.47 km WSW of Cobb, California · 15064 days ago · 1 km deep · 87 km away
  37. 2.34 km WSW of Laytonville, California · 15063 days ago · 0 km deep · 29 km away
  38. 1.612 km E of Cloverdale, California · 15063 days ago · 5 km deep · 82 km away
  39. 1.84 km WSW of Cobb, California · 15063 days ago · 1 km deep · 88 km away
  40. 1.66 km W of Cobb, California · 15063 days ago · 3 km deep · 86 km away
  41. 4.312 km WSW of Kelseyville, California · 15063 days ago · 4 km deep · 67 km away
  42. 1.77 km WSW of Cobb, California · 15062 days ago · 2 km deep · 87 km away
  43. 1.87 km SSE of Laytonville, California · 15061 days ago · 7 km deep · 21 km away
  44. 1.95 km SSE of Clear Lake Riviera, California · 15061 days ago · 1 km deep · 83 km away
  45. 2.37 km W of Cobb, California · 15060 days ago · 1 km deep · 85 km away
  46. 3.07 km W of Cobb, California · 15060 days ago · 3 km deep · 85 km away
  47. 1.94 km W of Cobb, California · 15059 days ago · 2 km deep · 86 km away
  48. 2.37 km WSW of Cobb, California · 15059 days ago · 3 km deep · 86 km away
  49. 1.57 km W of Cobb, California · 15058 days ago · 3 km deep · 85 km away
  50. 2.023 km SE of Covelo, California · 15058 days ago · 4 km deep · 24 km away
  51. 2.53 km N of Redway, California · 15058 days ago · 19 km deep · 87 km away
  52. 1.88 km WSW of Cobb, California · 15058 days ago · 2 km deep · 86 km away
  53. 2.07 km W of Cobb, California · 15057 days ago · 2 km deep · 85 km away
  54. 1.85 km WSW of Cobb, California · 15057 days ago · 0 km deep · 88 km away
  55. 1.74 km W of Cobb, California · 15056 days ago · 0 km deep · 86 km away
  56. 1.76 km W of Cobb, California · 15056 days ago · 1 km deep · 84 km away
  57. 1.84 km WSW of Cobb, California · 15055 days ago · 1 km deep · 88 km away
  58. 1.728 km NE of Potter Valley, California · 15054 days ago · 8 km deep · 35 km away
  59. 1.75 km SW of Cobb, California · 15053 days ago · 0 km deep · 91 km away
  60. 1.73 km SW of Cobb, California · 15053 days ago · 1 km deep · 90 km away

The first 60 of 160.

Before

  1. 1.89 km WSW of Cobb, California · 15079 days ago · 2 km deep · 87 km away
  2. 1.88 km WSW of Cobb, California · 15079 days ago · 3 km deep · 87 km away
  3. 1.66 km W of Cobb, California · 15080 days ago · 3 km deep · 85 km away
  4. 2.46 km W of Cobb, California · 15081 days ago · 3 km deep · 85 km away
  5. 1.67 km W of Cobb, California · 15081 days ago · 1 km deep · 85 km away
  6. 1.87 km W of Cobb, California · 15081 days ago · 1 km deep · 85 km away
  7. 1.99 km W of Redwood Valley, California · 15082 days ago · 7 km deep · 24 km away
  8. 1.68 km SW of Clear Lake Riviera, California · 15082 days ago · 2 km deep · 79 km away
  9. 1.56 km W of Cobb, California · 15083 days ago · 1 km deep · 86 km away
  10. 3.16 km W of Cobb, California · 15083 days ago · 1 km deep · 86 km away
  11. 1.67 km NNE of Hopland, California · 15084 days ago · 0 km deep · 53 km away
  12. 1.66 km W of Cobb, California · 15084 days ago · 2 km deep · 86 km away
  13. 1.65 km W of Cobb, California · 15084 days ago · 1 km deep · 86 km away
  14. 1.89 km WSW of Ukiah, California · 15084 days ago · 4 km deep · 40 km away
  15. 1.67 km WSW of Cobb, California · 15085 days ago · 1 km deep · 86 km away
  16. 1.75 km SW of Cobb, California · 15085 days ago · 1 km deep · 90 km away
  17. 1.85 km SW of Cobb, California · 15086 days ago · 0 km deep · 90 km away
  18. 1.56 km W of Cobb, California · 15087 days ago · 3 km deep · 85 km away
  19. 1.98 km W of Cobb, California · 15088 days ago · 0 km deep · 84 km away
  20. 1.66 km W of Cobb, California · 15088 days ago · 0 km deep · 85 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc50215. Read Mon, Sep 28, 2026, 9:53 PM UTC.