California earthquakes

M1.9 earthquake 6 km E of Lucerne, California

A magnitude 1.9 earthquake struck 6 km E of Lucerne, California on Tue, Aug 3, 1976, 10:10 AM PDT (17:10 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.0 32 km NNE of Potter Valley, 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.

Open the live map with earthquakes

The earthquake

Magnitude
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1976-08-03 17:10:35 UTC
Depth
1.1 km (0.7 mi), shallow
Epicenter
39.082° N, 122.723° 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 0.5 km horizontally, 7.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
178°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 96 in the 60 days after this one and 43 in the 30 days before it.

After

  1. 2.16 km W of Cobb, California · 18322 days ago · 3 km deep · 30 km away
  2. 1.56 km W of Cobb, California · 18321 days ago · 4 km deep · 30 km away
  3. 2.26 km W of Cobb, California · 18321 days ago · 4 km deep · 30 km away
  4. 3.04 km WSW of Cobb, California · 18320 days ago · 4 km deep · 31 km away
  5. 1.95 km W of Cobb, California · 18318 days ago · 1 km deep · 30 km away
  6. 2.08 km W of Cobb, California · 18318 days ago · 0 km deep · 32 km away
  7. 1.68 km ESE of Hopland, California · 18318 days ago · 2 km deep · 32 km away
  8. 1.84 km E of Lucerne, California · 18317 days ago · 6 km deep · 2 km away
  9. 2.04 km E of Lucerne, California · 18317 days ago · 7 km deep · 2 km away
  10. 1.83 km E of Lucerne, California · 18317 days ago · 7 km deep · 2 km away
  11. 1.87 km WSW of Cobb, California · 18317 days ago · 4 km deep · 33 km away
  12. 2.07 km SSW of Clear Lake Riviera, California · 18316 days ago · 2 km deep · 21 km away
  13. 2.07 km ENE of Manchester, California · 18316 days ago · 8 km deep · 77 km away
  14. 2.57 km WSW of Cobb, California · 18315 days ago · 4 km deep · 32 km away
  15. 1.97 km WSW of Cobb, California · 18315 days ago · 4 km deep · 32 km away
  16. 1.67 km WSW of Cobb, California · 18315 days ago · 4 km deep · 32 km away
  17. 1.66 km W of Cobb, California · 18314 days ago · 3 km deep · 30 km away
  18. 1.82 km NW of Larkfield-Wikiup, California · 18313 days ago · 3 km deep · 61 km away
  19. 1.66 km W of Cobb, California · 18313 days ago · 3 km deep · 30 km away
  20. 2.4Northern California · 18311 days ago · 2 km deep · 15 km away
  21. 2.12 km ESE of Clear Lake Riviera, California · 18311 days ago · 2 km deep · 16 km away
  22. 2.53 km ESE of Clear Lake Riviera, California · 18311 days ago · 2 km deep · 16 km away
  23. 1.67 km WSW of Cobb, California · 18311 days ago · 2 km deep · 32 km away
  24. 1.92 km ESE of Clear Lake Riviera, California · 18311 days ago · 1 km deep · 15 km away
  25. 1.811 km SW of Hopland, California · 18310 days ago · 0 km deep · 47 km away
  26. 1.96 km W of Cobb, California · 18310 days ago · 4 km deep · 30 km away
  27. 2.23 km ESE of Clear Lake Riviera, California · 18310 days ago · 2 km deep · 16 km away
  28. 3.02 km ESE of Clear Lake Riviera, California · 18310 days ago · 1 km deep · 15 km away
  29. 1.88 km WSW of Cobb, California · 18308 days ago · 0 km deep · 32 km away
  30. 1.77 km WSW of Cobb, California · 18308 days ago · 0 km deep · 31 km away
  31. 1.66 km W of Cobb, California · 18306 days ago · 3 km deep · 30 km away
  32. 1.61 km SE of Clear Lake Riviera, California · 18306 days ago · 0 km deep · 15 km away
  33. 1.67 km W of Cobb, California · 18306 days ago · 1 km deep · 30 km away
  34. 1.53 km SSE of Lower Lake, California · 18306 days ago · 6 km deep · 25 km away
  35. 1.66 km W of Cobb, California · 18306 days ago · 2 km deep · 30 km away
  36. 1.58 km WSW of Cobb, California · 18305 days ago · 4 km deep · 32 km away
  37. 1.54 km ENE of Clear Lake Riviera, California · 18305 days ago · 3 km deep · 13 km away
  38. 2.27 km WSW of Cobb, California · 18305 days ago · 1 km deep · 32 km away
  39. 1.88 km WSW of Cobb, California · 18302 days ago · 0 km deep · 32 km away
  40. 1.68 km WSW of Cobb, California · 18302 days ago · -1 km deep · 33 km away
  41. 1.74 km WSW of Cobb, California · 18302 days ago · 2 km deep · 32 km away
  42. 2.49 km W of Cobb, California · 18301 days ago · 0 km deep · 32 km away
  43. 1.57 km WSW of Cobb, California · 18301 days ago · 1 km deep · 32 km away
  44. 1.610 km N of Cloverdale, California · 18300 days ago · 3 km deep · 32 km away
  45. 1.85 km WSW of Cobb, California · 18300 days ago · 0 km deep · 31 km away
  46. 2.49 km E of Hidden Valley Lake, California · 18300 days ago · 8 km deep · 38 km away
  47. 1.88 km WSW of Cobb, California · 18299 days ago · 4 km deep · 32 km away
  48. 1.81 km S of Sea Ranch, California · 18298 days ago · 1 km deep · 76 km away
  49. 1.76 km WSW of Cobb, California · 18297 days ago · 1 km deep · 31 km away
  50. 2.417 km W of Stonyford, California · 18297 days ago · 11 km deep · 30 km away
  51. 1.59 km W of Cobb, California · 18296 days ago · 0 km deep · 31 km away
  52. 1.6Northern California · 18296 days ago · 3 km deep · 30 km away
  53. 1.96 km WSW of Cobb, California · 18296 days ago · -1 km deep · 31 km away
  54. 2.421 km NNE of Upper Lake, California · 18295 days ago · 4 km deep · 32 km away
  55. 1.93 km E of Larkfield-Wikiup, California · 18294 days ago · 8 km deep · 63 km away
  56. 2.112 km NNE of Angwin, California · 18292 days ago · 11 km deep · 55 km away
  57. 2.720 km WSW of Stonyford, California · 18291 days ago · 12 km deep · 25 km away
  58. 1.79 km WNW of Cobb, California · 18291 days ago · -1 km deep · 26 km away
  59. 2.02 km ENE of Clear Lake Riviera, California · 18291 days ago · 4 km deep · 14 km away
  60. 1.84 km WNW of Clearlake, California · 18291 days ago · 6 km deep · 14 km away

The first 60 of 96.

Before

  1. 2.29 km NW of Moskowite Corner, California · 18325 days ago · 13 km deep · 76 km away
  2. 2.0Northern California · 18326 days ago · 1 km deep · 32 km away
  3. 1.85 km N of Windsor, California · 18326 days ago · 5 km deep · 55 km away
  4. 1.816 km WSW of Stonyford, California · 18326 days ago · 10 km deep · 24 km away
  5. 2.08 km WSW of Cobb, California · 18327 days ago · 4 km deep · 32 km away
  6. 1.97 km W of Cobb, California · 18327 days ago · 3 km deep · 31 km away
  7. 1.59 km ESE of Hopland, California · 18328 days ago · 3 km deep · 29 km away
  8. 2.56 km NNE of Rohnert Park, California · 18329 days ago · 6 km deep · 78 km away
  9. 1.5Northern California · 18333 days ago · 0 km deep · 31 km away
  10. 1.69 km W of Cobb, California · 18333 days ago · 1 km deep · 32 km away
  11. 1.7near the coast of Northern California · 18336 days ago · 7 km deep · 48 km away
  12. 1.910 km ESE of Boonville, California · 18336 days ago · 6 km deep · 48 km away
  13. 2.39 km NNE of Hopland, California · 18337 days ago · 3 km deep · 29 km away
  14. 1.610 km NE of Healdsburg, California · 18337 days ago · 6 km deep · 46 km away
  15. 1.9Northern California · 18337 days ago · 3 km deep · 30 km away
  16. 2.110 km N of Cloverdale, California · 18337 days ago · 4 km deep · 32 km away
  17. 1.510 km N of Cloverdale, California · 18337 days ago · 3 km deep · 32 km away
  18. 1.610 km N of Cloverdale, California · 18337 days ago · 5 km deep · 32 km away
  19. 2.03 km SSE of Clear Lake Riviera, California · 18338 days ago · 3 km deep · 17 km away
  20. 1.73 km SSE of Clear Lake Riviera, California · 18338 days ago · 2 km deep · 17 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1030746. Read Sat, Oct 3, 2026, 5:51 PM UTC.