California earthquakes

M2.1 earthquake 6 km WSW of Cobb, California

A magnitude 2.1 earthquake struck 6 km WSW of Cobb, California on Fri, Jul 25, 1986, 5:52 PM PDT (00:52 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M4.7 5 km NNE of Brooktrails, 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
2.1 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1986-07-26 00:52:08 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
38.805° N, 122.792° 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 1.7 km horizontally, 2.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
239°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 94 in the 30 days before it.

After

  1. 2.68 km W of Cobb, California · 14677 days ago · 1 km deep · 3 km away
  2. 1.98 km W of Cobb, California · 14677 days ago · 1 km deep · 3 km away
  3. 1.610 km NNE of Larkfield-Wikiup, California · 14676 days ago · 6 km deep · 24 km away
  4. 2.414 km S of Albion, California · 14676 days ago · 2 km deep · 89 km away
  5. 1.64 km SSW of Cobb, California · 14676 days ago · -1 km deep · 5 km away
  6. 2.07 km E of Willits, California · 14675 days ago · 7 km deep · 78 km away
  7. 1.86 km W of Cobb, California · 14675 days ago · 3 km deep · 2 km away
  8. 1.64 km ESE of Redwood Valley, California · 14675 days ago · 20 km deep · 59 km away
  9. 1.85 km WNW of Cobb, California · 14675 days ago · 2 km deep · 4 km away
  10. 2.04 km W of Cobb, California · 14675 days ago · -1 km deep · 2 km away
  11. 2.07 km NNW of Hopland, California · 14674 days ago · 0 km deep · 40 km away
  12. 2.47 km W of Cobb, California · 14674 days ago · 3 km deep · 2 km away
  13. 2.14 km NNE of Guerneville, California · 14674 days ago · 0 km deep · 34 km away
  14. 1.87 km NW of Redwood Valley, California · 14674 days ago · -1 km deep · 70 km away
  15. 2.814 km W of Guinda, California · 14674 days ago · 18 km deep · 37 km away
  16. 1.71 km ENE of Cloverdale, California · 14674 days ago · 4 km deep · 19 km away
  17. 1.67 km WSW of Kenwood, California · 14673 days ago · 1 km deep · 49 km away
  18. 1.88 km WSW of Cobb, California · 14673 days ago · 3 km deep · 2 km away
  19. 1.78 km W of Cobb, California · 14672 days ago · 0 km deep · 3 km away
  20. 1.55 km SW of Cobb, California · 14672 days ago · 1 km deep · 4 km away
  21. 1.84 km W of Cobb, California · 14672 days ago · -1 km deep · 2 km away
  22. 2.04 km W of Cobb, California · 14672 days ago · 0 km deep · 2 km away
  23. 1.56 km W of Cobb, California · 14672 days ago · 3 km deep · 2 km away
  24. 4.75 km NNE of Brooktrails, California · 14671 days ago · 58 km deep · 91 km away
  25. 2.511 km ENE of Potter Valley, California · 14671 days ago · 33 km deep · 63 km away
  26. 2.39 km SSW of Arbuckle, California · 14671 days ago · 0 km deep · 63 km away
  27. 2.67 km W of Cobb, California · 14671 days ago · 3 km deep · 2 km away
  28. 2.74 km W of Cobb, California · 14671 days ago · -1 km deep · 3 km away
  29. 1.64 km W of Cobb, California · 14671 days ago · 0 km deep · 3 km away
  30. 1.77 km W of Cobb, California · 14671 days ago · 3 km deep · 2 km away
  31. 1.74 km WSW of Cobb, California · 14671 days ago · 1 km deep · 2 km away
  32. 1.76 km WSW of Cobb, California · 14670 days ago · 1 km deep · 1 km away
  33. 2.25 km WSW of Cobb, California · 14670 days ago · 2 km deep · 1 km away
  34. 1.61 km ESE of Clearlake, California · 14670 days ago · 4 km deep · 23 km away
  35. 1.61 km ESE of Larkfield-Wikiup, California · 14670 days ago · 4 km deep · 33 km away
  36. 1.97 km W of Cobb, California · 14669 days ago · 3 km deep · 2 km away
  37. 1.95 km SW of Cobb, California · 14669 days ago · 0 km deep · 3 km away
  38. 1.717 km NNE of Angwin, California · 14669 days ago · 2 km deep · 38 km away
  39. 1.97 km NNE of Windsor, California · 14669 days ago · 2 km deep · 22 km away
  40. 1.64 km W of Cobb, California · 14668 days ago · 1 km deep · 3 km away
  41. 1.88 km WSW of Cobb, California · 14668 days ago · 4 km deep · 2 km away
  42. 1.911 km NE of Clearlake Oaks, California · 14666 days ago · 1 km deep · 38 km away
  43. 1.829 km WSW of Elk Creek, California · 14666 days ago · 13 km deep · 83 km away
  44. 2.15 km WNW of Cobb, California · 14666 days ago · 1 km deep · 3 km away
  45. 2.44 km WSW of Cobb, California · 14665 days ago · 1 km deep · 1 km away
  46. 2.84 km WSW of Cobb, California · 14665 days ago · 2 km deep · 2 km away
  47. 2.27 km W of Cobb, California · 14664 days ago · 3 km deep · 2 km away
  48. 2.28 km W of Cobb, California · 14664 days ago · -1 km deep · 3 km away
  49. 1.95 km WSW of Cobb, California · 14664 days ago · 4 km deep · 1 km away
  50. 1.826 km NE of Potter Valley, California · 14664 days ago · 4 km deep · 78 km away
  51. 1.7Northern California · 14663 days ago · 0 km deep · 3 km away
  52. 1.71 km SE of Healdsburg, California · 14663 days ago · 35 km deep · 23 km away
  53. 1.86 km W of Cobb, California · 14663 days ago · 3 km deep · 2 km away
  54. 1.66 km W of Cobb, California · 14663 days ago · 3 km deep · 2 km away
  55. 1.85 km SW of Cobb, California · 14663 days ago · 1 km deep · 3 km away
  56. 2.14 km WSW of Cobb, California · 14662 days ago · 1 km deep · 2 km away
  57. 1.95 km SW of Cobb, California · 14662 days ago · 0 km deep · 2 km away
  58. 1.76 km SW of Cobb, California · 14662 days ago · -1 km deep · 2 km away
  59. 1.97 km WSW of Cobb, California · 14661 days ago · 2 km deep · 1 km away
  60. 2.25 km WSW of Cobb, California · 14661 days ago · 0 km deep · 2 km away

The first 60 of 174.

Before

  1. 1.811 km WSW of Cobb, California · 14679 days ago · 3 km deep · 5 km away
  2. 1.65 km SW of Cobb, California · 14679 days ago · -1 km deep · 3 km away
  3. 1.98 km WSW of Cobb, California · 14679 days ago · 1 km deep · 2 km away
  4. 1.85 km SW of Cobb, California · 14679 days ago · -1 km deep · 2 km away
  5. 1.97 km WSW of Cobb, California · 14680 days ago · 3 km deep · 1 km away
  6. 1.56 km W of Cobb, California · 14680 days ago · -1 km deep · 3 km away
  7. 2.86 km W of Cobb, California · 14680 days ago · -1 km deep · 2 km away
  8. 1.85 km W of Cobb, California · 14681 days ago · -1 km deep · 3 km away
  9. 1.9near the coast of Northern California · 14681 days ago · 3 km deep · 84 km away
  10. 2.02 km ESE of Calpella, California · 14681 days ago · 4 km deep · 57 km away
  11. 2.44 km SW of Cobb, California · 14681 days ago · 0 km deep · 3 km away
  12. 1.95 km WSW of Cobb, California · 14682 days ago · 4 km deep · 1 km away
  13. 2.720 km ENE of Potter Valley, California · 14682 days ago · 6 km deep · 65 km away
  14. 2.119 km ENE of Potter Valley, California · 14682 days ago · 5 km deep · 65 km away
  15. 1.65 km WSW of Cobb, California · 14682 days ago · 1 km deep · 1 km away
  16. 1.78 km WSW of Cobb, California · 14683 days ago · 3 km deep · 2 km away
  17. 1.98 km W of Cobb, California · 14683 days ago · 1 km deep · 3 km away
  18. 1.95 km W of Cobb, California · 14684 days ago · -1 km deep · 2 km away
  19. 1.87 km W of Cobb, California · 14684 days ago · 4 km deep · 2 km away
  20. 1.66 km W of Cobb, California · 14685 days ago · 3 km deep · 2 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc77457. Read Thu, Oct 1, 2026, 4:08 PM UTC.