California earthquakes

M1.8 earthquake 6 km W of Dobbins, California

A magnitude 1.8 earthquake struck 6 km W of Dobbins, California on Tue, Dec 22, 1981, 8:13 AM PST (16:13 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.0 2 km N of Cromberg, California. This one was a foreshock.

Dobbins 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1981-12-22 16:13:14 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
39.372° N, 121.284° 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 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
81°
Stations used
17

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.0Northern California · 16354 days ago · 6 km deep · 72 km away
  2. 2.110 km SW of Lake Almanor West, California · 16354 days ago · 4 km deep · 87 km away
  3. 2.66 km W of Sierra City, California · 16348 days ago · 19 km deep · 54 km away
  4. 2.73 km WNW of Greenville, California · 16345 days ago · 2 km deep · 90 km away
  5. 3.94 km N of Plumas Eureka, California · 16342 days ago · -1 km deep · 74 km away
  6. 2.44 km WNW of Plumas Eureka, California · 16340 days ago · 5 km deep · 70 km away
  7. 1.71 km NNE of Loma Rica, California · 16338 days ago · 5 km deep · 12 km away
  8. 2.09 km SW of Sattley, California · 16337 days ago · 13 km deep · 71 km away
  9. 1.711 km WSW of Chester, California · 16335 days ago · 8 km deep · 98 km away
  10. 1.915 km W of Lake Almanor West, California · 16335 days ago · 10 km deep · 95 km away
  11. 2.27 km SW of Sierraville, California · 16333 days ago · 4 km deep · 76 km away
  12. 1.612 km WSW of Chester, CA · 16332 days ago · 0 km deep · 99 km away
  13. 1.62 km NE of Prattville, California · 16325 days ago · 0 km deep · 95 km away
  14. 2.09 km NNW of Sierra City, California · 16319 days ago · 28 km deep · 61 km away
  15. 1.613 km SSE of Mineral, California · 16318 days ago · 24 km deep · 99 km away
  16. 2.04 km WSW of Belden, California · 16315 days ago · 4 km deep · 68 km away
  17. 1.96 km SE of Belden, California · 16314 days ago · 5 km deep · 67 km away
  18. 1.711 km S of Sierraville, California · 16313 days ago · 0 km deep · 81 km away
  19. 1.99 km WSW of Plumas Eureka (historical), California · 16312 days ago · 5 km deep · 56 km away
  20. 1.72 km WSW of Princeton, California · 16309 days ago · 12 km deep · 64 km away
  21. 1.72 km WNW of Princeton, California · 16309 days ago · 15 km deep · 65 km away
  22. 3.05 km NW of Princeton, California · 16309 days ago · 17 km deep · 66 km away
  23. 1.74 km NW of Princeton, California · 16309 days ago · 15 km deep · 66 km away
  24. 1.73 km SSE of Palermo, California · 16308 days ago · 5 km deep · 21 km away
  25. 2.211 km NE of Soda Springs, California · 16307 days ago · 4 km deep · 85 km away
  26. 2.210 km NW of Truckee, California · 16307 days ago · 10 km deep · 87 km away
  27. 2.19 km NW of Truckee, California · 16307 days ago · 15 km deep · 87 km away
  28. 2.010 km NW of Truckee, California · 16307 days ago · 4 km deep · 87 km away
  29. 1.911 km SW of Butte Meadows, California · 16307 days ago · 7 km deep · 77 km away
  30. 2.15 km ENE of Citrus Heights, California · 16306 days ago · 16 km deep · 71 km away
  31. 2.011 km NW of Truckee, California · 16304 days ago · 5 km deep · 86 km away
  32. 2.84 km SSE of Rocklin, California · 16304 days ago · 10 km deep · 69 km away
  33. 2.516 km NNE of Princeton, California · 16303 days ago · 19 km deep · 62 km away
  34. 1.917 km N of Princeton, California · 16302 days ago · 5 km deep · 63 km away
  35. 1.810 km N of Princeton, California · 16301 days ago · 22 km deep · 63 km away
  36. 1.51 km NW of Chico, California · 16300 days ago · 16 km deep · 63 km away
  37. 2.21 km NE of Kingvale, California · 16299 days ago · 4 km deep · 75 km away
  38. 4.02 km N of Cromberg, California · 16296 days ago · 1 km deep · 76 km away
  39. 2.15 km S of Spring Garden, California · 16296 days ago · 23 km deep · 67 km away
  40. 2.23 km NNW of Cromberg, California · 16296 days ago · 5 km deep · 76 km away

Before

  1. 3.2Northern California · 16356 days ago · 0 km deep · 73 km away
  2. 2.48 km WNW of Belden, California · 16358 days ago · 4 km deep · 74 km away
  3. 2.12 km SE of South Oroville, California · 16365 days ago · 9 km deep · 25 km away
  4. 2.77 km WNW of Paradise, California · 16367 days ago · 5 km deep · 58 km away
  5. 1.94 km NW of Lake Almanor West, California · 16372 days ago · 26 km deep · 99 km away
  6. 1.815 km WSW of Chester, California · 16374 days ago · 3 km deep · 99 km away
  7. 1.93 km S of South Oroville, California · 16375 days ago · 11 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1070543. Read Fri, Oct 2, 2026, 4:08 PM UTC.