California earthquakes

M1.5 earthquake 12 km WNW of Cobb, CA

A magnitude 1.5 earthquake struck 12 km WNW of Cobb, CA on Sun, Aug 9, 2026, 9:29 AM PDT (16:29 UTC), 5 km (3 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.7 10 km W of Boonville, CA. This one was a foreshock.

Cobb 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2026-08-09 16:29:17 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
38.868° N, 122.844° W
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.8 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
207°, poorly surrounded by stations
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 since this one and 145 in the 30 days before it.

After

  1. 2.17 km W of Kenwood, CA · 55 days ago · 8 km deep · 55 km away
  2. 1.98 km ESE of Cloverdale, CA · 55 days ago · 5 km deep · 13 km away
  3. 1.57 km NW of The Geysers, CA · 55 days ago · 3 km deep · 6 km away
  4. 2.62 km W of The Geysers, CA · 55 days ago · 3 km deep · 11 km away · felt by 1
  5. 1.710 km WNW of Cobb, CA · 54 days ago · 1 km deep · 2 km away
  6. 2.46 km NW of The Geysers, CA · 53 days ago · 3 km deep · 6 km away · felt by 1
  7. 1.79 km N of Redwood Valley, CA · 53 days ago · 8 km deep · 62 km away
  8. 3.07 km NW of The Geysers, CA · 53 days ago · 3 km deep · 6 km away · felt by 10
  9. 2.87 km NW of The Geysers, CA · 53 days ago · 2 km deep · 6 km away
  10. 1.87 km NW of The Geysers, CA · 53 days ago · 3 km deep · 6 km away
  11. 1.75 km W of Glen Ellen, CA · 52 days ago · 1 km deep · 60 km away · felt by 1
  12. 3.26 km NW of The Geysers, CA · 52 days ago · 3 km deep · 7 km away · felt by 6
  13. 3.26 km NW of The Geysers, CA · 52 days ago · 3 km deep · 7 km away · felt by 13
  14. 2.46 km WNW of The Geysers, CA · 52 days ago · 2 km deep · 7 km away · felt by 1
  15. 1.66 km NW of The Geysers, CA · 52 days ago · 3 km deep · 6 km away
  16. 1.66 km NW of The Geysers, CA · 52 days ago · 3 km deep · 7 km away
  17. 1.77 km NW of The Geysers, CA · 52 days ago · 3 km deep · 6 km away
  18. 1.66 km WNW of Cobb, CA · 52 days ago · 2 km deep · 6 km away
  19. 1.513 km SE of Middletown, CA · 51 days ago · 4 km deep · 36 km away
  20. 1.98 km NW of Redwood Valley, CA · 50 days ago · 7 km deep · 62 km away
  21. 1.78 km NW of Redwood Valley, CA · 50 days ago · 7 km deep · 62 km away
  22. 1.59 km WNW of The Geysers, CA · 50 days ago · 2 km deep · 5 km away
  23. 1.64 km W of Cobb, CA · 50 days ago · 2 km deep · 8 km away
  24. 1.610 km WNW of The Geysers, CA · 49 days ago · 3 km deep · 5 km away
  25. 1.712 km ESE of Willits, CA · 49 days ago · 7 km deep · 65 km away
  26. 2.15 km NNW of The Geysers, CA · 49 days ago · 3 km deep · 7 km away
  27. 1.68 km NW of Redwood Valley, CA · 49 days ago · 7 km deep · 62 km away
  28. 1.98 km ESE of Cloverdale, CA · 48 days ago · 6 km deep · 14 km away
  29. 1.66 km WNW of Cobb, CA · 48 days ago · 2 km deep · 6 km away
  30. 1.86 km W of Cobb, CA · 48 days ago · 2 km deep · 6 km away
  31. 1.79 km ESE of Lake Pillsbury, CA · 48 days ago · 7 km deep · 55 km away
  32. 1.56 km NW of The Geysers, CA · 47 days ago · 3 km deep · 6 km away
  33. 1.57 km W of Cobb, CA · 47 days ago · 2 km deep · 6 km away
  34. 2.03 km ESE of The Geysers, CA · 46 days ago · 1 km deep · 15 km away · felt by 1
  35. 1.88 km NW of Redwood Valley, CA · 46 days ago · 7 km deep · 62 km away
  36. 1.56 km W of Cobb, CA · 46 days ago · 3 km deep · 6 km away
  37. 1.511 km N of Redwood Valley, CA · 46 days ago · 8 km deep · 64 km away
  38. 1.67 km W of Cobb, CA · 46 days ago · 2 km deep · 5 km away
  39. 1.56 km WNW of Cobb, CA · 46 days ago · 2 km deep · 6 km away
  40. 1.86 km WNW of The Geysers, CA · 45 days ago · 3 km deep · 7 km away
  41. 1.68 km WNW of Cobb, CA · 45 days ago · 2 km deep · 5 km away
  42. 1.89 km NW of The Geysers, CA · 45 days ago · 2 km deep · 5 km away
  43. 2.010 km WNW of The Geysers, CA · 45 days ago · 2 km deep · 5 km away
  44. 2.08 km WNW of Cobb, CA · 45 days ago · 2 km deep · 5 km away
  45. 2.32 km N of The Geysers, CA · 45 days ago · 1 km deep · 11 km away
  46. 1.63 km WNW of Anderson Springs, CA · 44 days ago · 2 km deep · 14 km away
  47. 1.819 km NE of Upper Lake, CA · 44 days ago · 6 km deep · 48 km away
  48. 1.68 km ESE of Cloverdale, CA · 44 days ago · 5 km deep · 13 km away
  49. 1.78 km NW of Redwood Valley, CA · 44 days ago · 7 km deep · 62 km away
  50. 1.78 km ESE of Cloverdale, CA · 44 days ago · 7 km deep · 13 km away
  51. 1.84 km ENE of Saint Helena, CA · 44 days ago · 8 km deep · 54 km away
  52. 1.97 km ESE of Williams, CA · 44 days ago · 20 km deep · 73 km away · felt by 1
  53. 1.59 km WNW of Cobb, CA · 42 days ago · 2 km deep · 4 km away
  54. 1.63 km SE of The Geysers, CA · 42 days ago · 3 km deep · 16 km away
  55. 1.518 km SE of Lake Pillsbury, CA · 41 days ago · 4 km deep · 49 km away
  56. 2.610 km N of Lake Pillsbury, CA · 41 days ago · 12 km deep · 70 km away
  57. 1.810 km N of Lake Pillsbury, CA · 41 days ago · 11 km deep · 71 km away
  58. 1.56 km WNW of Cobb, CA · 41 days ago · 2 km deep · 6 km away
  59. 1.511 km N of Redwood Valley, CA · 41 days ago · 8 km deep · 64 km away
  60. 1.75 km NNW of The Geysers, CA · 40 days ago · 2 km deep · 7 km away

The first 60 of at least 199.

Before

  1. 1.97 km ESE of Cloverdale, CA · 55 days ago · 6 km deep · 13 km away · felt by 1
  2. 1.79 km NNE of Larkfield-Wikiup, CA · 55 days ago · 3 km deep · 34 km away
  3. 1.67 km WNW of Cobb, CA · 55 days ago · 2 km deep · 5 km away
  4. 1.812 km N of Redwood Valley, CA · 55 days ago · 8 km deep · 65 km away
  5. 1.89 km WNW of Cobb, CA · 55 days ago · 2 km deep · 4 km away
  6. 1.51 km NNW of The Geysers, CA · 56 days ago · 2 km deep · 12 km away
  7. 1.65 km WNW of The Geysers, CA · 56 days ago · 3 km deep · 9 km away
  8. 1.56 km NW of The Geysers, CA · 56 days ago · 2 km deep · 7 km away
  9. 1.84 km NW of The Geysers, CA · 56 days ago · 3 km deep · 9 km away
  10. 2.05 km E of Hidden Valley Lake, CA · 56 days ago · 9 km deep · 31 km away
  11. 1.67 km NW of The Geysers, CA · 56 days ago · 2 km deep · 5 km away
  12. 2.42 km NNE of The Geysers, CA · 57 days ago · 2 km deep · 12 km away
  13. 1.75 km NW of The Geysers, CA · 57 days ago · 3 km deep · 8 km away
  14. 1.74 km S of Redwood Valley, CA · 57 days ago · 2 km deep · 50 km away
  15. 1.911 km ESE of Willits, CA · 57 days ago · 7 km deep · 65 km away
  16. 2.011 km ESE of Willits, CA · 57 days ago · 7 km deep · 65 km away
  17. 1.58 km E of Willits, CA · 58 days ago · 7 km deep · 70 km away
  18. 1.54 km N of Redwood Valley, CA · 58 days ago · 6 km deep · 57 km away
  19. 2.13 km N of Redwood Valley, CA · 58 days ago · 7 km deep · 57 km away · felt by 1
  20. 1.61 km NNW of The Geysers, CA · 59 days ago · 2 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75414682. Read Sat, Oct 3, 2026, 5:57 PM UTC.