California earthquakes

M1.7 earthquake 6 km E of Willits, California

A magnitude 1.7 earthquake struck 6 km E of Willits, California on Wed, Feb 27, 1980, 7:03 PM PST (03:03 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.9 9 km NW of Redwood Valley, California. This one was a foreshock.

Willits 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
1980-02-28 03:03:27 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
39.413° N, 123.275° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
62°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 113 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 2.64 km WSW of Cobb, California · 17018 days ago · 2 km deep · 81 km away
  2. 2.79 km W of Cobb, California · 17017 days ago · -1 km deep · 77 km away
  3. 1.78 km W of Cobb, California · 17017 days ago · 1 km deep · 78 km away
  4. 1.67 km W of Cobb, California · 17017 days ago · 1 km deep · 77 km away
  5. 1.66 km W of Cobb, California · 17016 days ago · 0 km deep · 78 km away
  6. 2.1Northern California · 17015 days ago · 1 km deep · 79 km away
  7. 1.88 km E of Willits, California · 17015 days ago · 4 km deep · 2 km away
  8. 1.84 km WSW of Cobb, California · 17014 days ago · 2 km deep · 81 km away
  9. 2.04 km WSW of Cobb, California · 17014 days ago · 2 km deep · 81 km away
  10. 2.07 km WSW of Cobb, California · 17011 days ago · 2 km deep · 80 km away
  11. 1.85 km WSW of Cobb, California · 17010 days ago · 3 km deep · 80 km away
  12. 2.65 km WSW of Cobb, California · 17008 days ago · 4 km deep · 80 km away
  13. 1.55 km WSW of Cobb, California · 17008 days ago · 4 km deep · 80 km away
  14. 2.24 km WSW of Cobb, California · 17008 days ago · 2 km deep · 81 km away
  15. 2.07 km WSW of Cobb, California · 17008 days ago · 2 km deep · 80 km away
  16. 2.09 km E of Hidden Valley Lake, California · 17008 days ago · 11 km deep · 98 km away
  17. 2.54 km WSW of Cobb, California · 17008 days ago · 2 km deep · 81 km away
  18. 1.824 km SE of Alderpoint, California · 17008 days ago · 2 km deep · 67 km away
  19. 1.64 km SW of Cobb, California · 17006 days ago · 1 km deep · 82 km away
  20. 2.418 km NE of Leggett, California · 17006 days ago · -1 km deep · 68 km away
  21. 2.36 km W of Cobb, California · 17005 days ago · 2 km deep · 77 km away
  22. 2.410 km ENE of Shelter Cove, California · 17005 days ago · 17 km deep · 93 km away
  23. 1.69 km WSW of Cobb, California · 17005 days ago · 1 km deep · 78 km away
  24. 1.64 km WSW of Cobb, California · 17005 days ago · 1 km deep · 81 km away
  25. 1.916 km NNE of Upper Lake, California · 17004 days ago · 0 km deep · 43 km away
  26. 1.87 km WSW of Cobb, California · 17004 days ago · 0 km deep · 79 km away
  27. 1.8Northern California · 17003 days ago · 1 km deep · 79 km away
  28. 2.66 km WSW of Cobb, California · 17002 days ago · 2 km deep · 79 km away
  29. 1.86 km WSW of Cobb, California · 17002 days ago · 0 km deep · 79 km away
  30. 1.56 km WSW of Cobb, California · 17002 days ago · 1 km deep · 79 km away
  31. 2.26 km W of Cobb, California · 17002 days ago · 3 km deep · 78 km away
  32. 1.87 km ESE of Willits, California · 17002 days ago · 6 km deep · 3 km away
  33. 2.06 km WSW of Cobb, California · 17001 days ago · 0 km deep · 80 km away
  34. 1.918 km NE of Upper Lake, California · 17000 days ago · 9 km deep · 45 km away
  35. 1.718 km NE of Upper Lake, California · 17000 days ago · 3 km deep · 44 km away
  36. 1.76 km NE of Willits, California · 16997 days ago · 7 km deep · 5 km away
  37. 1.96 km WSW of Cobb, California · 16996 days ago · 0 km deep · 79 km away
  38. 2.59 km WSW of Cobb, California · 16995 days ago · 2 km deep · 78 km away
  39. 2.225 km S of Shelter Cove, California · 16994 days ago · 15 km deep · 79 km away
  40. 2.127 km S of Shelter Cove, California · 16994 days ago · 6 km deep · 78 km away
  41. 1.714 km NNW of Potter Valley, California · 16994 days ago · 6 km deep · 12 km away
  42. 1.74 km W of Ukiah, California · 16994 days ago · 19 km deep · 30 km away
  43. 2.06 km W of Cobb, California · 16992 days ago · 0 km deep · 78 km away
  44. 2.27 km WSW of Cobb, California · 16992 days ago · 1 km deep · 78 km away
  45. 1.87 km WSW of Cobb, California · 16992 days ago · -1 km deep · 79 km away
  46. 1.610 km NW of Cobb, California · 16992 days ago · 2 km deep · 71 km away
  47. 2.47 km WSW of Cobb, California · 16991 days ago · 2 km deep · 80 km away
  48. 1.62 km ESE of Calpella, California · 16991 days ago · 4 km deep · 22 km away
  49. 2.24 km WSW of Cobb, California · 16991 days ago · 2 km deep · 81 km away
  50. 1.918 km ENE of Potter Valley, California · 16990 days ago · 1 km deep · 31 km away
  51. 1.8near the coast of Northern California · 16989 days ago · 6 km deep · 3 km away
  52. 1.5near the coast of Northern California · 16989 days ago · 6 km deep · 23 km away
  53. 1.9near the coast of Northern California · 16987 days ago · 7 km deep · 30 km away
  54. 1.523 km SSE of Covelo, California · 16986 days ago · 4 km deep · 23 km away
  55. 1.815 km NNE of Brooktrails, California · 16985 days ago · 10 km deep · 20 km away
  56. 2.99 km NW of Redwood Valley, California · 16985 days ago · 5 km deep · 10 km away
  57. 1.97 km W of Cobb, California · 16984 days ago · 1 km deep · 76 km away
  58. 2.54 km N of Ukiah, California · 16984 days ago · 1 km deep · 26 km away
  59. 1.63 km SE of Calpella, California · 16983 days ago · 6 km deep · 24 km away
  60. 2.59 km NW of Redwood Valley, California · 16983 days ago · 5 km deep · 10 km away

The first 60 of 113.

Before

  1. 1.617 km NNE of Upper Lake, California · 17019 days ago · 1 km deep · 42 km away
  2. 1.72 km E of Calpella, California · 17019 days ago · 6 km deep · 22 km away
  3. 1.920 km ENE of Potter Valley, California · 17019 days ago · 0 km deep · 34 km away
  4. 1.84 km N of Lucerne, California · 17019 days ago · 13 km deep · 52 km away
  5. 1.57 km SSW of Clear Lake Riviera, California · 17020 days ago · 6 km deep · 72 km away
  6. 1.78 km WSW of Cobb, California · 17021 days ago · 2 km deep · 78 km away
  7. 2.220 km NE of Potter Valley, California · 17021 days ago · 4 km deep · 29 km away
  8. 2.28 km W of Cobb, California · 17023 days ago · 2 km deep · 78 km away
  9. 1.57 km ENE of Benbow, California · 17024 days ago · 20 km deep · 83 km away
  10. 1.57 km ENE of Benbow, California · 17024 days ago · 20 km deep · 83 km away
  11. 1.6near the coast of Northern California · 17025 days ago · 4 km deep · 3 km away
  12. 1.66 km E of Calpella, California · 17025 days ago · 8 km deep · 22 km away
  13. 1.74 km WSW of Cobb, California · 17025 days ago · 2 km deep · 80 km away
  14. 1.68 km WSW of Cobb, California · 17026 days ago · 2 km deep · 79 km away
  15. 1.712 km ESE of Hopland, California · 17026 days ago · 4 km deep · 58 km away
  16. 1.75 km S of Clear Lake Riviera, California · 17028 days ago · 2 km deep · 74 km away
  17. 3.06 km W of Cobb, California · 17028 days ago · 4 km deep · 78 km away
  18. 2.210 km NNW of Potter Valley, California · 17028 days ago · 0 km deep · 10 km away
  19. 1.719 km ENE of Potter Valley, California · 17029 days ago · 6 km deep · 32 km away
  20. 1.94 km SW of Cobb, California · 17029 days ago · -1 km deep · 82 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1051236. Read Thu, Oct 1, 2026, 8:00 PM UTC.