California earthquakes

M2.7 earthquake 15 km NNE of Lucerne, California

A magnitude 2.7 earthquake struck 15 km NNE of Lucerne, California on Sat, Sep 3, 1977, 4:53 AM PDT (11:53 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.8 10 km NE of Healdsburg, California. This one was a foreshock.

Lucerne 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1977-09-03 11:53:23 UTC
Depth
9.2 km (5.7 mi), shallow
Epicenter
39.214° N, 122.704° 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 1.4 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
258°, poorly surrounded by stations
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: 103 in the 60 days after this one and 39 in the 30 days before it.

After

  1. 2.714 km NNE of Lucerne, California · 17929 days ago · 7 km deep · 1 km away
  2. 2.615 km NNE of Lucerne, California · 17929 days ago · 9 km deep · 1 km away
  3. 1.816 km NNE of Lucerne, California · 17929 days ago · 7 km deep · 1 km away
  4. 3.610 km NE of Healdsburg, California · 17924 days ago · 6 km deep · 61 km away
  5. 1.710 km NE of Healdsburg, California · 17924 days ago · 5 km deep · 61 km away
  6. 2.310 km NE of Healdsburg, California · 17924 days ago · 5 km deep · 61 km away
  7. 1.811 km NE of Healdsburg, California · 17924 days ago · 6 km deep · 61 km away
  8. 2.110 km NE of Healdsburg, California · 17924 days ago · 6 km deep · 61 km away
  9. 1.810 km NE of Healdsburg, California · 17924 days ago · 6 km deep · 61 km away
  10. 2.67 km WSW of Cobb, California · 17924 days ago · 0 km deep · 47 km away
  11. 1.711 km NE of Healdsburg, California · 17923 days ago · 5 km deep · 61 km away
  12. 2.811 km NE of Healdsburg, California · 17922 days ago · 6 km deep · 61 km away
  13. 1.66 km W of Cobb, California · 17922 days ago · 3 km deep · 45 km away
  14. 1.811 km NE of Healdsburg, California · 17921 days ago · 6 km deep · 61 km away
  15. 3.59 km NE of Healdsburg, California · 17921 days ago · 6 km deep · 61 km away
  16. 1.910 km NE of Healdsburg, California · 17921 days ago · 5 km deep · 60 km away
  17. 1.910 km NE of Healdsburg, California · 17921 days ago · 6 km deep · 61 km away
  18. 2.410 km NE of Healdsburg, California · 17921 days ago · 5 km deep · 61 km away
  19. 2.310 km NE of Healdsburg, California · 17921 days ago · 5 km deep · 61 km away
  20. 1.810 km NE of Healdsburg, California · 17921 days ago · 5 km deep · 61 km away
  21. 1.910 km NE of Healdsburg, California · 17921 days ago · 5 km deep · 61 km away
  22. 3.810 km NE of Healdsburg, California · 17920 days ago · 6 km deep · 61 km away
  23. 1.811 km NE of Healdsburg, California · 17920 days ago · 5 km deep · 61 km away
  24. 1.54 km NE of Santa Rosa, California · 17920 days ago · 8 km deep · 83 km away
  25. 1.910 km NE of Healdsburg, California · 17920 days ago · 6 km deep · 61 km away
  26. 2.19 km N of Cloverdale, California · 17919 days ago · 5 km deep · 45 km away
  27. 2.410 km NE of Healdsburg, California · 17919 days ago · 4 km deep · 61 km away
  28. 2.210 km NE of Healdsburg, California · 17919 days ago · 2 km deep · 60 km away
  29. 2.31 km W of Durham, California · 17919 days ago · 33 km deep · 90 km away
  30. 1.711 km NE of Healdsburg, California · 17919 days ago · 5 km deep · 61 km away
  31. 1.84 km WSW of Cobb, California · 17919 days ago · 4 km deep · 46 km away
  32. 2.511 km NE of Healdsburg, California · 17918 days ago · 5 km deep · 61 km away
  33. 1.512 km NE of Healdsburg, California · 17918 days ago · 4 km deep · 60 km away
  34. 1.811 km NE of Healdsburg, California · 17918 days ago · 5 km deep · 60 km away
  35. 2.28 km W of Cobb, California · 17916 days ago · -1 km deep · 46 km away
  36. 2.27 km W of Cobb, California · 17916 days ago · 3 km deep · 45 km away
  37. 2.07 km W of Cobb, California · 17916 days ago · 3 km deep · 45 km away
  38. 1.811 km ENE of Healdsburg, California · 17916 days ago · 6 km deep · 61 km away
  39. 1.511 km ENE of Healdsburg, California · 17916 days ago · 6 km deep · 61 km away
  40. 1.711 km NE of Healdsburg, California · 17916 days ago · 5 km deep · 60 km away
  41. 2.111 km NE of Healdsburg, California · 17916 days ago · 5 km deep · 60 km away
  42. 2.411 km NE of Healdsburg, California · 17915 days ago · 5 km deep · 60 km away
  43. 2.111 km NE of Healdsburg, California · 17914 days ago · 5 km deep · 60 km away
  44. 1.711 km NE of Healdsburg, California · 17914 days ago · 5 km deep · 60 km away
  45. 2.111 km NE of Healdsburg, California · 17914 days ago · 5 km deep · 60 km away
  46. 1.86 km W of Cobb, California · 17913 days ago · 1 km deep · 45 km away
  47. 2.53 km WSW of Calpella, California · 17912 days ago · 10 km deep · 46 km away
  48. 1.63 km NNW of Middletown, California · 17912 days ago · 6 km deep · 48 km away
  49. 2.87 km WSW of Cobb, California · 17911 days ago · 2 km deep · 46 km away
  50. 1.97 km W of Cobb, California · 17911 days ago · 4 km deep · 46 km away
  51. 1.87 km WSW of Cobb, California · 17911 days ago · 3 km deep · 47 km away
  52. 1.6Northern California · 17911 days ago · 8 km deep · 21 km away
  53. 2.611 km NE of Healdsburg, California · 17910 days ago · 5 km deep · 60 km away
  54. 2.14 km WSW of Cobb, California · 17909 days ago · 1 km deep · 46 km away
  55. 1.94 km WSW of Cobb, California · 17909 days ago · 0 km deep · 46 km away
  56. 3.83 km WSW of Cobb, California · 17909 days ago · 2 km deep · 46 km away
  57. 2.4Northern California · 17909 days ago · 2 km deep · 46 km away
  58. 1.810 km NE of Healdsburg, California · 17909 days ago · 5 km deep · 61 km away
  59. 1.5Northern California · 17909 days ago · 21 km deep · 77 km away
  60. 2.010 km NE of Healdsburg, California · 17908 days ago · 5 km deep · 61 km away

The first 60 of 103.

Before

  1. 2.814 km NNE of Lucerne, California · 17929 days ago · 8 km deep · 1 km away
  2. 1.817 km NE of Nice, California · 17929 days ago · 8 km deep · 2 km away
  3. 1.87 km ENE of Larkfield-Wikiup, California · 17929 days ago · 5 km deep · 76 km away
  4. 2.07 km W of Cobb, California · 17930 days ago · 3 km deep · 45 km away
  5. 1.58 km W of Cobb, California · 17930 days ago · 0 km deep · 46 km away
  6. 1.97 km W of Cobb, California · 17931 days ago · 0 km deep · 45 km away
  7. 1.97 km WSW of Kenwood, California · 17931 days ago · 10 km deep · 92 km away
  8. 2.97 km WSW of Kenwood, California · 17931 days ago · 11 km deep · 91 km away
  9. 2.016 km NE of Upper Lake, California · 17932 days ago · 2 km deep · 8 km away
  10. 2.33 km S of Geyserville, California · 17932 days ago · 6 km deep · 62 km away
  11. 1.58 km W of Cobb, California · 17932 days ago · 0 km deep · 45 km away
  12. 1.60 km S of Clearlake, California · 17933 days ago · 5 km deep · 30 km away
  13. 2.87 km NNW of Redwood Valley, California · 17934 days ago · 11 km deep · 47 km away
  14. 1.68 km WSW of Cobb, California · 17935 days ago · 3 km deep · 47 km away
  15. 1.56 km ESE of Hopland, California · 17936 days ago · 6 km deep · 42 km away
  16. 2.619 km NE of Nice, California · 17938 days ago · 10 km deep · 6 km away
  17. 1.9Northern California · 17938 days ago · 0 km deep · 46 km away
  18. 1.78 km W of Cobb, California · 17938 days ago · 0 km deep · 46 km away
  19. 1.76 km W of Cobb, California · 17940 days ago · 3 km deep · 44 km away
  20. 1.96 km WSW of Cobb, California · 17941 days ago · -1 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1036615. Read Mon, Oct 5, 2026, 6:18 AM UTC.