California earthquakes

M1.7 earthquake 3 km N of Windsor, California

A magnitude 1.7 earthquake struck 3 km N of Windsor, California on Fri, Nov 12, 1976, 7:50 AM PST (15:50 UTC), 6 km (3 mi) below the surface.

A larger quake followed: M4.3 5 km NNE of Orinda, California. This one was a foreshock.

Windsor 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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-11-12 15:50:21 UTC
Depth
5.6 km (3.5 mi), shallow
Epicenter
38.582° N, 122.813° 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, 0.8 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
88°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 168 in the 60 days after this one and 34 in the 30 days before it.

After

  1. 1.76 km W of Cobb, California · 18220 days ago · 3 km deep · 26 km away
  2. 2.01 km W of Clearlake, California · 18220 days ago · 0 km deep · 44 km away
  3. 1.62 km WSW of Clearlake, California · 18220 days ago · 5 km deep · 43 km away
  4. 2.01 km ESE of Clear Lake Riviera, California · 18220 days ago · 1 km deep · 42 km away
  5. 1.94 km WSW of Cobb, California · 18219 days ago · 1 km deep · 25 km away
  6. 2.521 km W of Stonyford, California · 18219 days ago · 14 km deep · 90 km away
  7. 3.213 km WNW of Rio Vista, California · 18218 days ago · 19 km deep · 94 km away
  8. 2.123 km W of Stonyford, California · 18218 days ago · 1 km deep · 87 km away
  9. 2.515 km ESE of Suisun, California · 18218 days ago · 20 km deep · 92 km away
  10. 2.56 km W of Cobb, California · 18218 days ago · 3 km deep · 27 km away
  11. 2.813 km WNW of Rio Vista, California · 18218 days ago · 19 km deep · 94 km away
  12. 1.97 km WSW of Cobb, California · 18217 days ago · 2 km deep · 24 km away
  13. 1.66 km WSW of Cobb, California · 18216 days ago · 3 km deep · 25 km away
  14. 2.515 km SSE of Elmira, California · 18216 days ago · 20 km deep · 92 km away
  15. 2.26 km W of Cobb, California · 18215 days ago · 3 km deep · 26 km away
  16. 1.87 km W of Cobb, California · 18210 days ago · 3 km deep · 27 km away
  17. 1.98 km W of Cobb, California · 18210 days ago · 0 km deep · 26 km away
  18. 1.84 km WSW of Cobb, California · 18209 days ago · 2 km deep · 25 km away
  19. 2.515 km NE of Nice, California · 18209 days ago · 8 km deep · 71 km away
  20. 2.516 km NE of Nice, California · 18209 days ago · 11 km deep · 73 km away
  21. 2.317 km NE of Nice, California · 18209 days ago · 9 km deep · 73 km away
  22. 2.215 km NE of Nice, California · 18209 days ago · 8 km deep · 72 km away
  23. 2.27 km SW of Stonyford, California · 18209 days ago · 7 km deep · 85 km away
  24. 2.74 km W of Stonyford, California · 18209 days ago · 14 km deep · 91 km away
  25. 1.96 km NNE of Lucerne, California · 18209 days ago · 5 km deep · 63 km away
  26. 1.616 km NE of Nice, California · 18209 days ago · 3 km deep · 73 km away
  27. 2.117 km NE of Nice, California · 18209 days ago · 9 km deep · 73 km away
  28. 2.214 km NE of Nice, California · 18209 days ago · 9 km deep · 70 km away
  29. 2.218 km WSW of Lodoga, California · 18209 days ago · 8 km deep · 75 km away
  30. 1.811 km NE of Nice, California · 18208 days ago · 8 km deep · 68 km away
  31. 2.117 km NE of Nice, California · 18208 days ago · 7 km deep · 74 km away
  32. 1.92 km ESE of Boonville, California · 18208 days ago · 5 km deep · 65 km away
  33. 1.58 km WSW of Cobb, California · 18206 days ago · 4 km deep · 24 km away
  34. 2.411 km NE of Upper Lake, California · 18206 days ago · 8 km deep · 72 km away
  35. 2.112 km ENE of Clearlake, California · 18205 days ago · 17 km deep · 53 km away
  36. 2.06 km WSW of Cobb, California · 18205 days ago · 4 km deep · 25 km away
  37. 2.03 km ENE of Berkeley, California · 18205 days ago · 12 km deep · 93 km away
  38. 2.27 km W of Cobb, California · 18205 days ago · 4 km deep · 26 km away
  39. 2.011 km NE of Healdsburg, California · 18204 days ago · 6 km deep · 11 km away
  40. 2.84 km WSW of Cobb, California · 18204 days ago · 4 km deep · 26 km away
  41. 1.67 km W of Cobb, California · 18203 days ago · 3 km deep · 26 km away
  42. 1.54 km E of Soda Bay, California · 18203 days ago · -1 km deep · 47 km away
  43. 1.56 km WSW of Cobb, California · 18203 days ago · -1 km deep · 25 km away
  44. 1.74 km E of Soda Bay, California · 18203 days ago · -1 km deep · 46 km away
  45. 2.36 km W of Cobb, California · 18201 days ago · 3 km deep · 26 km away
  46. 2.00 km ENE of Larkfield-Wikiup, California · 18201 days ago · 3 km deep · 10 km away
  47. 2.911 km N of Potter Valley, California · 18201 days ago · 1 km deep · 97 km away
  48. 2.03 km NNE of Potter Valley, California · 18201 days ago · -1 km deep · 89 km away
  49. 1.65 km NNE of Clearlake, California · 18200 days ago · 2 km deep · 51 km away
  50. 1.95 km SW of Philo, California · 18200 days ago · 0 km deep · 77 km away
  51. 2.06 km N of Cobb, California · 18200 days ago · 1 km deep · 34 km away
  52. 1.88 km W of Cobb, California · 18200 days ago · 0 km deep · 25 km away
  53. 2.47 km WSW of Cobb, California · 18199 days ago · 2 km deep · 25 km away
  54. 1.64 km E of Lucerne, California · 18199 days ago · 5 km deep · 57 km away
  55. 1.86 km W of Cobb, California · 18197 days ago · 0 km deep · 26 km away
  56. 1.56 km SSE of Clear Lake Riviera, California · 18197 days ago · 4 km deep · 38 km away
  57. 2.06 km W of Lower Lake, California · 18197 days ago · 4 km deep · 37 km away
  58. 1.64 km W of Cobb, California · 18196 days ago · 3 km deep · 28 km away
  59. 2.24 km WSW of Lower Lake, California · 18196 days ago · 3 km deep · 38 km away
  60. 2.09 km NE of Healdsburg, California · 18196 days ago · 7 km deep · 10 km away

The first 60 of 168.

Before

  1. 2.214 km WNW of Rio Vista, California · 18221 days ago · 25 km deep · 93 km away
  2. 2.214 km ESE of Hidden Valley Lake, California · 18221 days ago · 6 km deep · 39 km away
  3. 2.015 km ESE of Hidden Valley Lake, California · 18221 days ago · 6 km deep · 39 km away
  4. 2.515 km SE of Hidden Valley Lake, California · 18221 days ago · 4 km deep · 38 km away
  5. 3.07 km ESE of Willits, California · 18222 days ago · 11 km deep · 97 km away
  6. 2.45 km SW of Kenwood, California · 18224 days ago · 7 km deep · 30 km away
  7. 2.57 km W of Cobb, California · 18225 days ago · 3 km deep · 26 km away
  8. 2.113 km ESE of Suisun, California · 18226 days ago · 22 km deep · 91 km away
  9. 1.58 km W of Cobb, California · 18227 days ago · -1 km deep · 25 km away
  10. 1.910 km E of Hidden Valley Lake, California · 18228 days ago · 10 km deep · 41 km away
  11. 1.84 km NW of Clearlake, California · 18228 days ago · 1 km deep · 47 km away
  12. 2.64 km SSE of Concord, California · 18230 days ago · 10 km deep · 100 km away
  13. 1.99 km WNW of Cobb, California · 18231 days ago · 3 km deep · 31 km away
  14. 2.16 km WSW of Cobb, California · 18231 days ago · 1 km deep · 26 km away
  15. 1.97 km WSW of Cobb, California · 18232 days ago · 4 km deep · 24 km away
  16. 1.67 km W of Cobb, California · 18233 days ago · 3 km deep · 27 km away
  17. 1.83 km ESE of Berkeley, California · 18233 days ago · 8 km deep · 95 km away
  18. 2.46 km W of Cobb, California · 18234 days ago · 3 km deep · 26 km away
  19. 2.06 km W of Cobb, California · 18236 days ago · 4 km deep · 26 km away
  20. 2.17 km NE of Hidden Valley Lake, California · 18237 days ago · 5 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1032254. Read Fri, Oct 2, 2026, 4:26 AM UTC.