California earthquakes

M2.0 earthquake 5 km W of Brooktrails, California

A magnitude 2.0 earthquake struck 5 km W of Brooktrails, California on Wed, Dec 26, 1979, 9:32 AM PST (17:32 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 5 km ESE of Clearlake, California. This one was a foreshock.

Brooktrails 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
2.0 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1979-12-26 17:32:10 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
39.437° N, 123.454° 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 6.6 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
295°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 117 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 2.24 km WSW of Cobb, California · 17081 days ago · 2 km deep · 91 km away
  2. 1.54 km WSW of Cobb, California · 17080 days ago · 2 km deep · 92 km away
  3. 2.07 km WSW of Cobb, California · 17080 days ago · 0 km deep · 90 km away
  4. 1.99 km WSW of Cobb, California · 17080 days ago · 2 km deep · 89 km away
  5. 3.321 km SW of Leggett, California · 17079 days ago · 4 km deep · 52 km away
  6. 2.16 km W of Cobb, California · 17077 days ago · 0 km deep · 89 km away
  7. 2.06 km W of Cobb, California · 17077 days ago · 3 km deep · 89 km away
  8. 1.99 km WSW of Cobb, California · 17076 days ago · 1 km deep · 89 km away
  9. 1.77 km WSW of Cobb, California · 17076 days ago · 1 km deep · 90 km away
  10. 1.74 km WSW of Cobb, California · 17075 days ago · 1 km deep · 92 km away
  11. 2.07 km WSW of Cobb, California · 17073 days ago · 2 km deep · 90 km away
  12. 1.69 km SW of Hopland, California · 17073 days ago · 1 km deep · 62 km away
  13. 1.74 km WSW of Cobb, California · 17071 days ago · 2 km deep · 92 km away
  14. 1.721 km NNE of Upper Lake, California · 17071 days ago · 4 km deep · 52 km away
  15. 1.65 km SSW of Clear Lake Riviera, California · 17071 days ago · 5 km deep · 86 km away
  16. 1.64 km WSW of Cobb, California · 17068 days ago · 1 km deep · 92 km away
  17. 2.19 km WSW of Cobb, California · 17067 days ago · 1 km deep · 89 km away
  18. 3.04 km NE of Miranda, California · 17067 days ago · 30 km deep · 96 km away
  19. 1.74 km N of Lucerne, California · 17067 days ago · 16 km deep · 67 km away
  20. 1.85 km WSW of Cobb, California · 17067 days ago · 0 km deep · 91 km away
  21. 2.36 km W of Cobb, California · 17066 days ago · 0 km deep · 90 km away
  22. 2.023 km NNE of Potter Valley, California · 17066 days ago · 9 km deep · 40 km away
  23. 1.67 km NE of Philo, California · 17064 days ago · 0 km deep · 36 km away
  24. 1.74 km WSW of Cobb, California · 17064 days ago · 1 km deep · 92 km away
  25. 3.111 km NNW of Potter Valley, California · 17063 days ago · 12 km deep · 25 km away
  26. 2.110 km NNW of Potter Valley, California · 17063 days ago · 7 km deep · 25 km away
  27. 2.221 km SE of Ruth, California · 17062 days ago · 24 km deep · 81 km away
  28. 1.63 km WNW of Clear Lake Riviera, California · 17062 days ago · 10 km deep · 80 km away
  29. 1.56 km WSW of Cobb, California · 17062 days ago · 1 km deep · 91 km away
  30. 1.77 km WSW of Cobb, California · 17062 days ago · 0 km deep · 90 km away
  31. 1.77 km WSW of Cobb, California · 17061 days ago · 2 km deep · 90 km away
  32. 1.710 km E of Geyserville, California · 17060 days ago · 15 km deep · 98 km away
  33. 1.76 km W of Cobb, California · 17060 days ago · 0 km deep · 90 km away
  34. 1.66 km ENE of Willits, California · 17058 days ago · 6 km deep · 15 km away
  35. 3.210 km E of Manchester, California · 17057 days ago · 9 km deep · 53 km away
  36. 1.611 km NNW of Potter Valley, California · 17057 days ago · 8 km deep · 25 km away
  37. 1.67 km WSW of Cobb, California · 17057 days ago · 2 km deep · 89 km away
  38. 1.67 km WSW of Cobb, California · 17056 days ago · 1 km deep · 90 km away
  39. 1.56 km W of Cobb, California · 17054 days ago · 1 km deep · 89 km away
  40. 1.65 km SW of Cobb, California · 17053 days ago · 1 km deep · 93 km away
  41. 1.78 km W of Cobb, California · 17053 days ago · 3 km deep · 87 km away
  42. 2.05 km SW of Clear Lake Riviera, California · 17053 days ago · 0 km deep · 83 km away
  43. 1.75 km SW of Clear Lake Riviera, California · 17053 days ago · -1 km deep · 83 km away
  44. 1.85 km SW of Clear Lake Riviera, California · 17053 days ago · 0 km deep · 83 km away
  45. 1.74 km SW of Clear Lake Riviera, California · 17051 days ago · 0 km deep · 83 km away
  46. 1.77 km WSW of Cobb, California · 17051 days ago · -1 km deep · 90 km away
  47. 2.5Northern California · 17051 days ago · 4 km deep · 89 km away
  48. 1.96 km W of Cobb, California · 17051 days ago · 3 km deep · 89 km away
  49. 1.66 km W of Cobb, California · 17051 days ago · 3 km deep · 89 km away
  50. 2.06 km W of Cobb, California · 17051 days ago · 3 km deep · 89 km away
  51. 1.88 km W of Cobb, California · 17050 days ago · 0 km deep · 89 km away
  52. 2.74 km W of Lakeport, California · 17049 days ago · 5 km deep · 61 km away
  53. 1.94 km WSW of Cobb, California · 17049 days ago · 2 km deep · 92 km away
  54. 1.86 km WSW of Cobb, California · 17049 days ago · 0 km deep · 90 km away
  55. 2.26 km WSW of Cobb, California · 17049 days ago · 0 km deep · 91 km away
  56. 1.59 km WSW of Cobb, California · 17048 days ago · 1 km deep · 89 km away
  57. 1.77 km ENE of Willits, California · 17048 days ago · 3 km deep · 15 km away
  58. 1.87 km WSW of Cobb, California · 17047 days ago · 0 km deep · 90 km away
  59. 2.58 km WSW of Cobb, California · 17046 days ago · 0 km deep · 89 km away
  60. 1.93 km ESE of Calpella, California · 17046 days ago · 5 km deep · 34 km away

The first 60 of 117.

Before

  1. 2.27 km W of Cobb, California · 17081 days ago · 1 km deep · 88 km away
  2. 2.07 km W of Cobb, California · 17081 days ago · 1 km deep · 87 km away
  3. 1.94 km WSW of Cobb, California · 17082 days ago · 1 km deep · 92 km away
  4. 1.97 km WSW of Cobb, California · 17083 days ago · 1 km deep · 90 km away
  5. 1.57 km W of Cobb, California · 17083 days ago · 0 km deep · 89 km away
  6. 1.54 km WSW of Cobb, California · 17083 days ago · 1 km deep · 92 km away
  7. 1.75 km W of Cobb, California · 17083 days ago · 1 km deep · 90 km away
  8. 2.418 km E of Potter Valley, California · 17084 days ago · 4 km deep · 49 km away
  9. 1.76 km W of Cobb, California · 17085 days ago · 4 km deep · 89 km away
  10. 1.89 km SE of Hopland, California · 17085 days ago · 3 km deep · 69 km away
  11. 1.67 km WSW of Cobb, California · 17085 days ago · 2 km deep · 90 km away
  12. 2.316 km S of Leggett, California · 17086 days ago · -1 km deep · 37 km away
  13. 1.54 km WSW of Cobb, California · 17087 days ago · 1 km deep · 92 km away
  14. 1.86 km W of Cobb, California · 17087 days ago · 1 km deep · 89 km away
  15. 1.910 km ESE of Willits, California · 17087 days ago · 11 km deep · 20 km away
  16. 1.88 km W of Cobb, California · 17088 days ago · 1 km deep · 88 km away
  17. 2.48 km WSW of Cobb, California · 17088 days ago · -1 km deep · 90 km away
  18. 3.07 km WSW of Cobb, California · 17088 days ago · 1 km deep · 90 km away
  19. 1.68 km W of Cobb, California · 17088 days ago · 1 km deep · 89 km away
  20. 1.66 km WSW of Cobb, California · 17088 days ago · 0 km deep · 91 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1049552. Read Thu, Oct 1, 2026, 9:50 PM UTC.