California earthquakes

M2.6 earthquake 4 km SSW of Cobb, California

A magnitude 2.6 earthquake struck 4 km SSW of Cobb, California on Tue, Jun 26, 1990, 6:16 PM PDT (01:16 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.2 6 km W 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.

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The earthquake

Magnitude
2.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1990-06-27 01:16:09 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
38.782° N, 122.743° 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, 0.5 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
36°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 155 in the 60 days after this one and 89 in the 30 days before it.

After

  1. 1.66 km WSW of Cobb, California · 13249 days ago · 0 km deep · 4 km away
  2. 1.73 km E of Sonoma, California · 13248 days ago · 4 km deep · 61 km away
  3. 1.66 km NE of Hopland, California · 13247 days ago · 3 km deep · 37 km away
  4. 1.87 km W of Cobb, California · 13247 days ago · 3 km deep · 7 km away
  5. 1.54 km NNE of Talmage, California · 13247 days ago · 7 km deep · 55 km away
  6. 1.93 km SW of Cobb, California · 13246 days ago · 2 km deep · 1 km away
  7. 2.59 km W of Cobb, California · 13246 days ago · 1 km deep · 9 km away
  8. 1.810 km W of Cobb, California · 13246 days ago · -1 km deep · 9 km away
  9. 1.910 km W of Cobb, California · 13246 days ago · 0 km deep · 9 km away
  10. 2.47 km WSW of Cobb, California · 13245 days ago · 2 km deep · 5 km away
  11. 2.46 km SW of Cobb, California · 13245 days ago · -1 km deep · 3 km away
  12. 1.69 km W of Cobb, California · 13245 days ago · 2 km deep · 9 km away
  13. 2.05 km W of Cobb, California · 13244 days ago · 2 km deep · 6 km away
  14. 2.83 km SSW of Cobb, California · 13244 days ago · 1 km deep · 1 km away
  15. 1.88 km W of Cobb, California · 13244 days ago · 0 km deep · 8 km away
  16. 2.09 km SSE of Potter Valley, California · 13244 days ago · 4 km deep · 59 km away
  17. 2.29 km WNW of Cobb, California · 13244 days ago · 2 km deep · 9 km away
  18. 1.95 km WSW of Cobb, California · 13244 days ago · 0 km deep · 4 km away
  19. 1.78 km WSW of Cobb, California · 13243 days ago · 0 km deep · 7 km away
  20. 2.96 km W of Allendale, California · 13243 days ago · 2 km deep · 73 km away
  21. 1.88 km W of Cobb, California · 13242 days ago · 1 km deep · 9 km away
  22. 3.08 km W of Cobb, California · 13242 days ago · 0 km deep · 9 km away
  23. 1.58 km WNW of Cobb, California · 13242 days ago · 2 km deep · 9 km away
  24. 1.88 km W of Cobb, California · 13242 days ago · 1 km deep · 9 km away
  25. 1.54 km W of Cobb, California · 13241 days ago · 0 km deep · 5 km away
  26. 1.810 km W of Cobb, California · 13240 days ago · 1 km deep · 9 km away
  27. 2.05 km WSW of Cobb, California · 13239 days ago · 3 km deep · 5 km away
  28. 2.55 km W of Cobb, California · 13238 days ago · 2 km deep · 6 km away
  29. 1.95 km W of Cobb, California · 13237 days ago · 0 km deep · 6 km away
  30. 1.99 km E of Hidden Valley Lake, California · 13237 days ago · 7 km deep · 26 km away
  31. 2.04 km WNW of Potter Valley, California · 13237 days ago · 2 km deep · 72 km away
  32. 1.97 km WSW of Cobb, California · 13236 days ago · 3 km deep · 5 km away
  33. 1.615 km N of Upper Lake, California · 13236 days ago · 7 km deep · 61 km away
  34. 1.77 km W of Cobb, California · 13236 days ago · 0 km deep · 7 km away
  35. 1.79 km ESE of Hopland, California · 13235 days ago · 2 km deep · 29 km away
  36. 2.310 km N of Cloverdale, California · 13235 days ago · 2 km deep · 26 km away
  37. 1.66 km WNW of Cobb, California · 13234 days ago · 1 km deep · 8 km away
  38. 1.66 km W of Cobb, California · 13234 days ago · 1 km deep · 8 km away
  39. 1.73 km W of Cobb, California · 13234 days ago · 0 km deep · 5 km away
  40. 1.77 km W of Cobb, California · 13234 days ago · 3 km deep · 7 km away
  41. 1.66 km WSW of Kenwood, California · 13234 days ago · 7 km deep · 45 km away
  42. 1.59 km S of Cobb, California · 13234 days ago · 4 km deep · 5 km away
  43. 1.98 km W of Cobb, California · 13234 days ago · 0 km deep · 8 km away
  44. 3.57 km WSW of Cobb, California · 13234 days ago · 0 km deep · 6 km away
  45. 1.88 km S of Cobb, California · 13234 days ago · 4 km deep · 4 km away
  46. 3.06 km WSW of Kenwood, California · 13234 days ago · 8 km deep · 45 km away
  47. 2.221 km NE of Potter Valley, California · 13233 days ago · 7 km deep · 76 km away
  48. 1.722 km NE of Potter Valley, California · 13233 days ago · 6 km deep · 75 km away
  49. 1.67 km ENE of Brooktrails, California · 13233 days ago · 10 km deep · 91 km away
  50. 2.48 km WSW of Cobb, California · 13233 days ago · 0 km deep · 6 km away
  51. 3.08 km WSW of Cobb, California · 13233 days ago · 0 km deep · 6 km away
  52. 2.28 km WSW of Cobb, California · 13233 days ago · -1 km deep · 7 km away
  53. 1.97 km WSW of Calistoga, California · 13232 days ago · 1 km deep · 26 km away
  54. 3.17 km ENE of Brooktrails, California · 13231 days ago · -1 km deep · 90 km away
  55. 2.36 km S of Hopland, California · 13230 days ago · 7 km deep · 35 km away
  56. 1.67 km W of Middletown, California · 13230 days ago · 1 km deep · 5 km away
  57. 1.77 km N of Geyserville, California · 13229 days ago · 4 km deep · 14 km away
  58. 1.77 km N of Geyserville, California · 13229 days ago · 4 km deep · 14 km away
  59. 1.64 km W of Cobb, California · 13228 days ago · -1 km deep · 6 km away
  60. 1.96 km WSW of Cobb, California · 13228 days ago · -1 km deep · 4 km away

The first 60 of 155.

Before

  1. 2.06 km SW of Cobb, California · 13249 days ago · 0 km deep · 2 km away
  2. 2.812 km ENE of Cloverdale, California · 13249 days ago · 1 km deep · 16 km away
  3. 1.512 km ENE of Cloverdale, California · 13249 days ago · 1 km deep · 16 km away
  4. 2.56 km W of Cobb, California · 13249 days ago · 3 km deep · 7 km away
  5. 1.67 km NE of Clearlake, California · 13250 days ago · 2 km deep · 29 km away
  6. 1.66 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 30 km away
  7. 1.97 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 30 km away
  8. 2.17 km WSW of Cobb, California · 13250 days ago · 4 km deep · 6 km away
  9. 2.07 km E of Clearlake Oaks, California · 13250 days ago · -1 km deep · 30 km away
  10. 1.911 km NE of Angwin, California · 13251 days ago · 6 km deep · 38 km away
  11. 1.910 km ESE of Willits, California · 13251 days ago · 4 km deep · 78 km away
  12. 1.68 km W of Cobb, California · 13252 days ago · 0 km deep · 8 km away
  13. 2.09 km SE of Willits, California · 13252 days ago · 1 km deep · 78 km away
  14. 2.06 km SW of Cobb, California · 13252 days ago · 0 km deep · 3 km away
  15. 1.64 km S of Cobb, California · 13252 days ago · 2 km deep · 2 km away
  16. 2.17 km W of Cobb, California · 13252 days ago · 4 km deep · 7 km away
  17. 1.58 km NNE of Geyserville, California · 13253 days ago · 15 km deep · 9 km away
  18. 1.55 km ESE of Boonville, California · 13253 days ago · 9 km deep · 54 km away
  19. 1.64 km SW of Cobb, California · 13253 days ago · 0 km deep · 1 km away
  20. 1.74 km SW of Cobb, California · 13253 days ago · -1 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc160022. Read Sun, Oct 4, 2026, 1:36 PM UTC.