California earthquakes

M2.1 earthquake 10 km WNW of Cobb, CA

A magnitude 2.1 earthquake struck 10 km WNW of Cobb, CA on Thu, Sep 10, 2026, 1:29 PM PDT (20:29 UTC), 3 km (2 mi) below the surface.

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

A larger quake followed: M2.8 10 km WNW of Cobb, 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
2.1 (md), micro
Local time
UTC
2026-09-10 20:29:38 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
38.851° N, 122.832° W
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

An automatic solution; a seismologist may revise it.

Location uncertainty
About 0.6 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
85°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 since this one and 123 in the 30 days before it.

After

  1. 2.810 km WNW of Cobb, CA · 12 days ago · 2 km deep · 1 km away · felt by 1
  2. 3.010 km WNW of Cobb, CA · 12 days ago · 1 km deep · 1 km away · felt by 3
  3. 2.51 km N of The Geysers, CA · 11 days ago · 1 km deep · 9 km away · felt by 2
  4. 2.37 km NW of The Geysers, CA · 11 days ago · 2 km deep · 4 km away
  5. 1.58 km E of Willits, CA · 11 days ago · 7 km deep · 73 km away
  6. 1.64 km NW of The Geysers, CA · 11 days ago · 3 km deep · 7 km away
  7. 2.33 km ESE of The Geysers, CA · 11 days ago · 0 km deep · 13 km away · felt by 2
  8. 1.97 km E of Willits, CA · 11 days ago · 7 km deep · 73 km away
  9. 1.712 km WNW of Cobb, CA · 11 days ago · 2 km deep · 2 km away
  10. 1.67 km E of Willits, CA · 10 days ago · 7 km deep · 73 km away
  11. 1.711 km NW of The Geysers, CA · 10 days ago · 1 km deep · 2 km away
  12. 2.94 km W of Cobb, CA · 10 days ago · 1 km deep · 7 km away · felt by 3
  13. 1.86 km WNW of The Geysers, CA · 10 days ago · 3 km deep · 5 km away
  14. 1.87 km WNW of The Geysers, CA · 10 days ago · 3 km deep · 5 km away
  15. 2.56 km E of Willits, CA · 9 days ago · 5 km deep · 74 km away · felt by 17
  16. 1.99 km ENE of Brooktrails, CA · 9 days ago · 8 km deep · 80 km away
  17. 1.79 km NW of The Geysers, CA · 9 days ago · 2 km deep · 3 km away
  18. 2.28 km N of Redwood Valley, CA · 8 days ago · 4 km deep · 63 km away · felt by 1
  19. 1.65 km NW of The Geysers, CA · 8 days ago · 3 km deep · 6 km away
  20. 1.61 km ESE of The Geysers, CA · 7 days ago · 2 km deep · 12 km away
  21. 1.65 km ESE of Boonville, CA · 7 days ago · 3 km deep · 45 km away
  22. 1.77 km W of Cobb, CA · 7 days ago · 2 km deep · 3 km away
  23. 1.78 km ESE of Cloverdale, CA · 6 days ago · 5 km deep · 13 km away
  24. 2.73 km ESE of Santa Rosa, CA · 6 days ago · 9 km deep · 48 km away · felt by 171
  25. 1.64 km ESE of Santa Rosa, CA · 6 days ago · 8 km deep · 48 km away
  26. 1.63 km W of Anderson Springs, CA · 6 days ago · 2 km deep · 13 km away
  27. 1.68 km NW of The Geysers, CA · 6 days ago · 2 km deep · 3 km away
  28. 1.94 km ESE of Santa Rosa, CA · 6 days ago · 8 km deep · 49 km away
  29. 1.93 km ENE of The Geysers, CA · 6 days ago · 1 km deep · 12 km away
  30. 1.711 km W of Lake Pillsbury, CA · 5 days ago · -1 km deep · 64 km away
  31. 1.88 km W of Saint Helena, CA · 4 days ago · 8 km deep · 46 km away
  32. 1.54 km W of Cobb, CA · 4 days ago · 2 km deep · 6 km away
  33. 1.87 km W of Saint Helena, CA · 4 days ago · 9 km deep · 47 km away
  34. 1.914 km S of Willits, CA · 4 days ago · 0 km deep · 68 km away
  35. 1.87 km WNW of Cobb, CA · 3 days ago · 2 km deep · 3 km away
  36. 1.78 km ESE of Cloverdale, CA · 3 days ago · 5 km deep · 12 km away
  37. 2.19 km WNW of The Geysers, CA · 41 hr ago · 2 km deep · 4 km away
  38. 1.87 km NW of The Geysers, CA · 38 hr ago · 2 km deep · 3 km away
  39. 1.78 km ESE of Cloverdale, CA · 36 hr ago · 7 km deep · 12 km away
  40. 2.15 km WNW of The Geysers, CA · 21 hr ago · 2 km deep · 6 km away · felt by 3

Before

  1. 1.59 km WNW of Cobb, CA · 12 days ago · 2 km deep · 1 km away
  2. 1.66 km W of Cobb, CA · 12 days ago · 2 km deep · 4 km away
  3. 2.49 km WNW of The Geysers, CA · 12 days ago · 2 km deep · 4 km away
  4. 1.711 km WNW of Cobb, CA · 13 days ago · 2 km deep · 1 km away
  5. 2.612 km WNW of Cobb, CA · 13 days ago · 2 km deep · 2 km away
  6. 2.23 km S of Anderson Springs, CA · 13 days ago · 1 km deep · 16 km away
  7. 2.33 km S of Anderson Springs, CA · 13 days ago · 1 km deep · 16 km away
  8. 1.811 km WNW of Cobb, CA · 13 days ago · 0 km deep · 1 km away
  9. 2.511 km WNW of Cobb, CA · 13 days ago · 1 km deep · 1 km away · felt by 1
  10. 1.511 km WNW of Cobb, CA · 13 days ago · 1 km deep · 1 km away
  11. 1.911 km WNW of Cobb, CA · 13 days ago · 1 km deep · 1 km away
  12. 1.78 km NW of The Geysers, CA · 13 days ago · -1 km deep · 3 km away
  13. 1.78 km NW of The Geysers, CA · 13 days ago · 2 km deep · 3 km away
  14. 2.38 km NW of The Geysers, CA · 13 days ago · 2 km deep · 3 km away
  15. 1.66 km NW of Lake Pillsbury, CA · 14 days ago · 10 km deep · 69 km away
  16. 1.98 km NW of The Geysers, CA · 14 days ago · 2 km deep · 3 km away
  17. 1.72 km NW of The Geysers, CA · 14 days ago · 4 km deep · 9 km away
  18. 1.83 km SE of The Geysers, CA · 14 days ago · 3 km deep · 14 km away
  19. 1.50 km SSW of Angwin, CA · 15 days ago · 0 km deep · 45 km away
  20. 2.05 km WNW of Cobb, CA · 15 days ago · 2 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75433287. Read Tue, Sep 22, 2026, 10:19 AM UTC.