California earthquakes

M2.1 earthquake 14 km NNW of Guinda, California

A magnitude 2.1 earthquake struck 14 km NNW of Guinda, California on Sat, Jun 6, 1981, 7:04 PM PDT (02:04 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 6 km WSW of Cobb, California. This one was a foreshock.

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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
1981-06-07 02:04:25 UTC
Depth
7.8 km (4.9 mi), shallow
Epicenter
38.949° N, 122.246° 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 0.7 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
82°
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 126 in the 60 days after this one and 64 in the 30 days before it.

After

  1. 1.69 km WSW of Cobb, California · 16544 days ago · 2 km deep · 53 km away
  2. 2.56 km WSW of Cobb, California · 16542 days ago · 4 km deep · 50 km away
  3. 1.85 km WSW of Cobb, California · 16541 days ago · 1 km deep · 49 km away
  4. 2.39 km WSW of Cobb, California · 16541 days ago · 2 km deep · 53 km away
  5. 1.74 km S of Cobb, California · 16539 days ago · 1 km deep · 46 km away
  6. 2.15 km SW of Cobb, California · 16537 days ago · 1 km deep · 49 km away
  7. 1.724 km WNW of Elk Creek, California · 16537 days ago · 5 km deep · 93 km away
  8. 1.6Northern California · 16536 days ago · 1 km deep · 53 km away
  9. 1.73 km E of Windsor, California · 16536 days ago · 4 km deep · 64 km away
  10. 2.18 km W of Cobb, California · 16535 days ago · 1 km deep · 51 km away
  11. 1.86 km W of Cobb, California · 16535 days ago · 3 km deep · 50 km away
  12. 1.75 km SW of Cobb, California · 16535 days ago · -1 km deep · 49 km away
  13. 1.76 km W of Cobb, California · 16534 days ago · 4 km deep · 50 km away
  14. 2.35 km SW of Cobb, CA · 16532 days ago · -1 km deep · 48 km away
  15. 1.76 km W of Lower Lake, California · 16532 days ago · 3 km deep · 38 km away
  16. 2.57 km WSW of Cobb, California · 16531 days ago · 1 km deep · 51 km away
  17. 1.67 km WSW of Cobb, California · 16531 days ago · 3 km deep · 51 km away
  18. 1.66 km W of Cobb, California · 16530 days ago · 4 km deep · 50 km away
  19. 1.65 km NNE of Rohnert Park, California · 16529 days ago · 16 km deep · 73 km away
  20. 3.518 km WSW of Williams, California · 16529 days ago · 12 km deep · 19 km away
  21. 1.66 km W of Cobb, California · 16529 days ago · 0 km deep · 50 km away
  22. 1.66 km W of Cobb, California · 16529 days ago · 1 km deep · 50 km away
  23. 2.421 km WSW of Williams, California · 16529 days ago · -1 km deep · 19 km away
  24. 2.84 km ESE of Palermo, California · 16529 days ago · 5 km deep · 84 km away
  25. 1.77 km WSW of Cobb, California · 16529 days ago · 0 km deep · 51 km away
  26. 1.97 km WSW of Cobb, California · 16528 days ago · -1 km deep · 51 km away
  27. 2.34 km ESE of Clear Lake Riviera, California · 16527 days ago · -1 km deep · 37 km away
  28. 1.79 km WSW of Cobb, California · 16526 days ago · 2 km deep · 53 km away
  29. 1.69 km WSW of Cobb, California · 16526 days ago · 1 km deep · 53 km away
  30. 1.87 km W of Cobb, California · 16526 days ago · 1 km deep · 51 km away
  31. 1.87 km WSW of Cobb, California · 16525 days ago · 1 km deep · 51 km away
  32. 2.56 km WSW of Cobb, California · 16525 days ago · 0 km deep · 50 km away
  33. 1.78 km WSW of Cobb, California · 16525 days ago · 0 km deep · 52 km away
  34. 2.56 km W of Cobb, California · 16525 days ago · 4 km deep · 50 km away
  35. 1.66 km W of Cobb, California · 16524 days ago · 3 km deep · 50 km away
  36. 1.68 km NE of Healdsburg, California · 16524 days ago · 6 km deep · 58 km away
  37. 3.0Northern California · 16524 days ago · 4 km deep · 50 km away
  38. 2.11 km SW of Stonyford, California · 16524 days ago · 7 km deep · 53 km away
  39. 1.96 km W of Cobb, California · 16524 days ago · 4 km deep · 50 km away
  40. 2.64 km WSW of Cobb, California · 16522 days ago · 3 km deep · 48 km away
  41. 1.76 km WSW of Cobb, California · 16521 days ago · 1 km deep · 50 km away
  42. 2.05 km ESE of Talmage, California · 16521 days ago · 7 km deep · 77 km away
  43. 3.45 km SE of Palermo, California · 16521 days ago · 7 km deep · 82 km away
  44. 1.84 km SE of Palermo, California · 16521 days ago · 5 km deep · 82 km away
  45. 1.62 km SE of Talmage, California · 16520 days ago · 5 km deep · 80 km away
  46. 1.67 km NW of Redwood Valley, California · 16520 days ago · 7 km deep · 96 km away
  47. 1.94 km SE of Palermo, California · 16519 days ago · 7 km deep · 82 km away
  48. 1.71 km NNW of Boonville, California · 16518 days ago · 4 km deep · 98 km away
  49. 1.96 km W of Stonyford, California · 16518 days ago · 0 km deep · 56 km away
  50. 2.06 km SW of Cobb, California · 16517 days ago · 1 km deep · 49 km away
  51. 2.24 km W of Stonyford, California · 16517 days ago · 3 km deep · 56 km away
  52. 2.09 km WSW of Cobb, California · 16517 days ago · 2 km deep · 53 km away
  53. 2.18 km W of Calistoga, California · 16516 days ago · 7 km deep · 55 km away
  54. 1.75 km WNW of Potter Valley, California · 16515 days ago · -1 km deep · 91 km away
  55. 1.67 km WSW of Cobb, California · 16515 days ago · 1 km deep · 51 km away
  56. 1.73 km N of Larkfield-Wikiup, California · 16515 days ago · 6 km deep · 63 km away
  57. 2.14 km NNE of Clearlake, California · 16515 days ago · 0 km deep · 31 km away
  58. 2.13 km WSW of Redwood Valley, California · 16514 days ago · 2 km deep · 93 km away
  59. 2.18 km NNW of Redwood Valley, California · 16512 days ago · 1 km deep · 97 km away
  60. 1.818 km NE of Potter Valley, California · 16512 days ago · 7 km deep · 82 km away

The first 60 of 126.

Before

  1. 2.26 km WSW of Calistoga, California · 16545 days ago · 5 km deep · 56 km away
  2. 1.78 km WSW of Cobb, California · 16546 days ago · 3 km deep · 52 km away
  3. 1.79 km E of Hidden Valley Lake, California · 16546 days ago · 7 km deep · 23 km away
  4. 1.63 km ESE of Palermo, California · 16547 days ago · 3 km deep · 83 km away
  5. 1.69 km ESE of Willits, California · 16547 days ago · 8 km deep · 99 km away
  6. 3.59 km ESE of Willits, California · 16547 days ago · 9 km deep · 99 km away
  7. 2.015 km NNW of Guinda, California · 16549 days ago · 9 km deep · 1 km away
  8. 1.66 km W of Cobb, California · 16550 days ago · 2 km deep · 50 km away
  9. 1.58 km NW of Redwood Valley, California · 16550 days ago · 5 km deep · 98 km away
  10. 1.83 km ESE of Clear Lake Riviera, California · 16551 days ago · -1 km deep · 38 km away
  11. 1.79 km ENE of Hidden Valley Lake, California · 16551 days ago · 7 km deep · 22 km away
  12. 1.69 km WSW of Cobb, California · 16552 days ago · -1 km deep · 53 km away
  13. 1.67 km WSW of Cobb, California · 16552 days ago · 1 km deep · 52 km away
  14. 2.14 km S of Cobb, California · 16552 days ago · 0 km deep · 45 km away
  15. 2.46 km WSW of Cobb, California · 16552 days ago · 1 km deep · 50 km away
  16. 2.76 km W of Cobb, California · 16552 days ago · 1 km deep · 50 km away
  17. 1.98 km ENE of Larkfield-Wikiup, California · 16553 days ago · 6 km deep · 59 km away
  18. 2.16 km W of Cobb, California · 16553 days ago · 0 km deep · 50 km away
  19. 2.06 km W of Cobb, California · 16553 days ago · 2 km deep · 50 km away
  20. 2.122 km NE of Potter Valley, California · 16554 days ago · 8 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064310. Read Wed, Sep 23, 2026, 12:09 PM UTC.