California earthquakes

M1.8 earthquake 2 km SSE of Talmage, California

A magnitude 1.8 earthquake struck 2 km SSE of Talmage, California on Fri, Dec 17, 1976, 9:36 AM PST (17:36 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.5 Northern California. This one was a foreshock.

Talmage 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
1.8 (md), micro
Local time
UTC
1976-12-17 17:36:28 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
39.117° N, 123.156° 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 1.2 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
213°, poorly surrounded by stations
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 57 in the 30 days before it.

After

  1. 3.25 km WSW of Cobb, California · 18182 days ago · 0 km deep · 47 km away
  2. 2.06 km W of Cobb, California · 18182 days ago · 3 km deep · 45 km away
  3. 2.85 km WSW of Cobb, California · 18182 days ago · 0 km deep · 47 km away
  4. 2.010 km ESE of Hidden Valley Lake, California · 18182 days ago · 5 km deep · 72 km away
  5. 2.46 km WSW of Cobb, California · 18182 days ago · 0 km deep · 47 km away
  6. 1.85 km WSW of Cobb, California · 18182 days ago · 0 km deep · 47 km away
  7. 1.77 km W of Cobb, California · 18181 days ago · 3 km deep · 45 km away
  8. 1.93 km S of Geyserville, California · 18180 days ago · 7 km deep · 53 km away
  9. 1.79 km ESE of Hidden Valley Lake, California · 18180 days ago · -1 km deep · 71 km away
  10. 1.65 km W of Cobb, California · 18180 days ago · 1 km deep · 45 km away
  11. 1.911 km ESE of Hidden Valley Lake, California · 18180 days ago · -1 km deep · 73 km away
  12. 2.28 km ESE of Hidden Valley Lake, California · 18179 days ago · -1 km deep · 70 km away
  13. 3.5Northern California · 18178 days ago · 1 km deep · 45 km away
  14. 1.96 km W of Cobb, California · 18178 days ago · 0 km deep · 45 km away
  15. 1.86 km W of Cobb, California · 18178 days ago · 0 km deep · 45 km away
  16. 2.1Northern California · 18178 days ago · 9 km deep · 72 km away
  17. 1.510 km W of Cobb, California · 18177 days ago · 1 km deep · 43 km away
  18. 2.76 km W of Cobb, California · 18177 days ago · 3 km deep · 45 km away
  19. 1.6Northern California · 18177 days ago · 3 km deep · 45 km away
  20. 3.48 km WSW of Cobb, California · 18177 days ago · 4 km deep · 46 km away
  21. 2.96 km W of Cobb, California · 18176 days ago · 4 km deep · 45 km away
  22. 2.218 km NE of Nice, California · 18174 days ago · 3 km deep · 41 km away
  23. 1.816 km SW of Stonyford, California · 18174 days ago · 1 km deep · 43 km away
  24. 1.90 km NNE of Larkfield-Wikiup, California · 18173 days ago · 4 km deep · 75 km away
  25. 2.59 km W of Cobb, California · 18173 days ago · 0 km deep · 45 km away
  26. 1.8Northern California · 18171 days ago · 0 km deep · 45 km away
  27. 1.67 km SW of Calistoga, California · 18171 days ago · 5 km deep · 80 km away
  28. 2.46 km NNE of Penngrove, California · 18170 days ago · 7 km deep · 97 km away
  29. 2.05 km NNE of Penngrove, California · 18170 days ago · 5 km deep · 97 km away
  30. 2.04 km WSW of Cobb, California · 18170 days ago · 3 km deep · 47 km away
  31. 1.75 km W of Cobb, California · 18169 days ago · 0 km deep · 45 km away
  32. 1.57 km W of Cobb, California · 18168 days ago · -1 km deep · 45 km away
  33. 1.95 km E of Clearlake, California · 18168 days ago · 6 km deep · 54 km away
  34. 2.06 km W of Cobb, California · 18168 days ago · -1 km deep · 46 km away
  35. 2.09 km SE of Talmage, California · 18168 days ago · 3 km deep · 7 km away
  36. 1.68 km W of Cobb, California · 18168 days ago · 6 km deep · 44 km away
  37. 1.87 km W of Cobb, California · 18167 days ago · 3 km deep · 45 km away
  38. 1.68 km W of Cobb, California · 18166 days ago · 0 km deep · 45 km away
  39. 1.69 km NE of Hopland, California · 18166 days ago · 7 km deep · 14 km away
  40. 1.96 km WSW of Cobb, California · 18164 days ago · 4 km deep · 46 km away
  41. 1.87 km W of Cobb, California · 18163 days ago · 3 km deep · 45 km away
  42. 1.89 km E of Hidden Valley Lake, California · 18163 days ago · 7 km deep · 71 km away
  43. 1.87 km WSW of Cobb, California · 18162 days ago · -1 km deep · 46 km away
  44. 1.86 km W of Cobb, California · 18162 days ago · 4 km deep · 46 km away
  45. 1.66 km W of Cobb, California · 18161 days ago · 3 km deep · 46 km away
  46. 2.110 km W of Cobb, California · 18161 days ago · 1 km deep · 41 km away
  47. 2.07 km NE of Hopland, California · 18160 days ago · 3 km deep · 14 km away
  48. 2.18 km WSW of Cobb, California · 18159 days ago · 0 km deep · 45 km away
  49. 1.98 km E of Hopland, California · 18159 days ago · 5 km deep · 20 km away
  50. 1.78 km W of Cobb, California · 18158 days ago · 0 km deep · 45 km away
  51. 2.80 km SSE of Larkfield-Wikiup, California · 18157 days ago · 5 km deep · 76 km away
  52. 2.26 km W of Cobb, California · 18157 days ago · 3 km deep · 45 km away
  53. 1.86 km W of Cobb, California · 18157 days ago · 3 km deep · 45 km away
  54. 2.66 km W of Cobb, California · 18155 days ago · 1 km deep · 45 km away
  55. 1.82 km NNE of Clearlake, California · 18155 days ago · 0 km deep · 50 km away
  56. 1.75 km ESE of Lucerne, California · 18154 days ago · 1 km deep · 37 km away
  57. 1.87 km W of Cobb, California · 18153 days ago · 4 km deep · 45 km away
  58. 1.55 km N of Cobb, California · 18152 days ago · 1 km deep · 47 km away
  59. 2.220 km NE of Upper Lake, California · 18152 days ago · 8 km deep · 40 km away
  60. 1.54 km WNW of Lower Lake, California · 18151 days ago · 2 km deep · 48 km away

The first 60 of 91.

Before

  1. 2.15 km WSW of Cobb, California · 18183 days ago · 0 km deep · 47 km away
  2. 2.218 km NE of Potter Valley, California · 18183 days ago · 7 km deep · 39 km away
  3. 1.812 km NNE of Upper Lake, California · 18186 days ago · 7 km deep · 30 km away
  4. 1.919 km W of Stonyford, California · 18186 days ago · 0 km deep · 45 km away
  5. 2.06 km WSW of Cobb, California · 18187 days ago · 3 km deep · 46 km away
  6. 1.87 km W of Cobb, California · 18187 days ago · 2 km deep · 45 km away
  7. 1.86 km W of Cobb, California · 18187 days ago · 4 km deep · 46 km away
  8. 2.56 km W of Cobb, California · 18187 days ago · 3 km deep · 46 km away
  9. 2.06 km W of Cobb, California · 18189 days ago · 3 km deep · 45 km away
  10. 2.50 km W of Larkfield-Wikiup, California · 18190 days ago · 6 km deep · 76 km away
  11. 3.224 km NNE of Covelo, California · 18191 days ago · 40 km deep · 96 km away
  12. 1.55 km WSW of Cobb, California · 18191 days ago · 0 km deep · 47 km away
  13. 2.09 km NE of Healdsburg, California · 18193 days ago · 7 km deep · 59 km away
  14. 2.24 km WSW of Lower Lake, California · 18193 days ago · 3 km deep · 49 km away
  15. 1.64 km W of Cobb, California · 18193 days ago · 3 km deep · 46 km away
  16. 2.06 km W of Lower Lake, California · 18193 days ago · 4 km deep · 47 km away
  17. 1.56 km SSE of Clear Lake Riviera, California · 18193 days ago · 4 km deep · 47 km away
  18. 1.86 km W of Cobb, California · 18194 days ago · 0 km deep · 46 km away
  19. 1.64 km E of Lucerne, California · 18196 days ago · 5 km deep · 36 km away
  20. 2.47 km WSW of Cobb, California · 18196 days ago · 2 km deep · 46 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1032813. Read Mon, Sep 28, 2026, 10:50 PM UTC.