California earthquakes

M2.1 earthquake 5 km S of Spring Garden, California

A magnitude 2.1 earthquake struck 5 km S of Spring Garden, California on Thu, Feb 18, 1982, 9:09 PM PST (05:09 UTC), 23 km (15 mi) below the surface.

A larger quake followed: M2.2 3 km NNW of Cromberg, California. This one was a foreshock.

East Quincy 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
2.1 (md), micro
Local time
UTC
1982-02-19 05:09:27 UTC
Depth
23.4 km (14.6 mi), shallow
Epicenter
39.845° N, 120.797° 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 2.2 km horizontally, 2.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
218°, poorly surrounded by stations
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: 40 in the 60 days after this one and 23 in the 30 days before it.

After

  1. 2.23 km NNW of Cromberg, California · 16287 days ago · 5 km deep · 9 km away
  2. 2.07 km NW of Chester, California · 16281 days ago · 6 km deep · 71 km away
  3. 1.911 km SW of Kingvale, California · 16279 days ago · 13 km deep · 71 km away
  4. 2.19 km NE of Soda Springs, California · 16276 days ago · 20 km deep · 68 km away
  5. 2.85 km ENE of Soda Springs, California · 16276 days ago · 18 km deep · 69 km away
  6. 1.87 km SSW of Sierra City, California · 16276 days ago · 16 km deep · 40 km away
  7. 3.14 km SW of Canyondam, California · 16273 days ago · 3 km deep · 43 km away
  8. 2.07 km SE of La Porte, California · 16272 days ago · 5 km deep · 25 km away
  9. 2.81 km SE of Janesville, California · 16272 days ago · -1 km deep · 55 km away
  10. 2.511 km SW of Kingvale, California · 16271 days ago · 44 km deep · 69 km away
  11. 2.011 km NE of Soda Springs, California · 16271 days ago · 4 km deep · 64 km away
  12. 2.66 km SE of Palermo, California · 16271 days ago · 6 km deep · 77 km away
  13. 1.55 km ESE of Palermo, California · 16271 days ago · 8 km deep · 76 km away
  14. 1.7Northern California · 16270 days ago · 1 km deep · 92 km away
  15. 2.68 km NW of Truckee, California · 16269 days ago · 9 km deep · 69 km away
  16. 1.710 km N of Truckee, California · 16268 days ago · 9 km deep · 70 km away
  17. 2.88 km WSW of Chester, California · 16256 days ago · 2 km deep · 66 km away
  18. 1.67 km WNW of Chester, California · 16255 days ago · 3 km deep · 70 km away
  19. 1.93 km SE of Greenhorn, California · 16252 days ago · 5 km deep · 8 km away
  20. 1.97 km SSW of Sierra City, California · 16251 days ago · 24 km deep · 40 km away
  21. 1.716 km NE of Mineral, California · 16251 days ago · 3 km deep · 91 km away
  22. 1.816 km NE of Mineral, California · 16250 days ago · 2 km deep · 91 km away
  23. 1.915 km NNE of Mineral, California · 16250 days ago · 0 km deep · 91 km away
  24. 2.38 km NW of Plumas Eureka (historical), California · 16249 days ago · 1 km deep · 5 km away
  25. 1.614 km NNE of Mineral, California · 16248 days ago · 0 km deep · 92 km away
  26. 1.615 km NNE of Mineral, California · 16248 days ago · 3 km deep · 93 km away
  27. 2.54 km WSW of Paradise, California · 16248 days ago · 20 km deep · 75 km away
  28. 1.812 km NE of Mineral, California · 16245 days ago · 4 km deep · 90 km away
  29. 2.45 km NNW of Chester, California · 16244 days ago · 17 km deep · 68 km away
  30. 2.120 km S of Old Station, California · 16241 days ago · 12 km deep · 90 km away
  31. 2.54 km ESE of East Quincy, California · 16240 days ago · 2 km deep · 9 km away
  32. 2.014 km E of Mineral, California · 16238 days ago · 9 km deep · 77 km away
  33. 1.712 km WNW of Chester, California · 16237 days ago · 4 km deep · 75 km away
  34. 1.610 km WNW of Chester, California · 16237 days ago · 1 km deep · 73 km away
  35. 2.55 km W of Bangor, California · 16234 days ago · 3 km deep · 77 km away
  36. 1.816 km NNE of Mineral, California · 16233 days ago · 1 km deep · 92 km away
  37. 2.012 km N of Mineral, California · 16231 days ago · 19 km deep · 96 km away
  38. 1.811 km W of Chester, California · 16231 days ago · 4 km deep · 70 km away
  39. 1.711 km ESE of Mineral, California · 16229 days ago · 6 km deep · 77 km away
  40. 2.38 km WSW of Lake Almanor West, California · 16228 days ago · 2 km deep · 58 km away

Before

  1. 4.02 km N of Cromberg, California · 16287 days ago · 1 km deep · 10 km away
  2. 2.21 km NE of Kingvale, California · 16289 days ago · 4 km deep · 66 km away
  3. 1.51 km NW of Chico, California · 16291 days ago · 16 km deep · 91 km away
  4. 2.011 km NW of Truckee, California · 16294 days ago · 5 km deep · 67 km away
  5. 1.615 km NNE of Mineral, California · 16296 days ago · 2 km deep · 93 km away
  6. 1.911 km SW of Butte Meadows, California · 16297 days ago · 7 km deep · 74 km away
  7. 2.010 km NW of Truckee, California · 16297 days ago · 4 km deep · 67 km away
  8. 2.19 km NW of Truckee, California · 16298 days ago · 15 km deep · 69 km away
  9. 2.210 km NW of Truckee, California · 16298 days ago · 10 km deep · 68 km away
  10. 2.211 km NE of Soda Springs, California · 16298 days ago · 4 km deep · 66 km away
  11. 1.513 km NNE of Mineral, California · 16299 days ago · 2 km deep · 94 km away
  12. 1.73 km SSE of Palermo, California · 16299 days ago · 5 km deep · 79 km away
  13. 1.99 km WSW of Plumas Eureka (historical), California · 16302 days ago · 5 km deep · 14 km away
  14. 1.711 km S of Sierraville, California · 16304 days ago · 0 km deep · 55 km away
  15. 1.96 km SE of Belden, California · 16305 days ago · 5 km deep · 36 km away
  16. 2.64 km WSW of Susanville, California · 16305 days ago · -2 km deep · 63 km away
  17. 2.04 km WSW of Belden, California · 16306 days ago · 4 km deep · 45 km away
  18. 2.88 km W of Janesville, California · 16307 days ago · 3 km deep · 54 km away
  19. 1.516 km NNW of Chester, California · 16308 days ago · 0 km deep · 80 km away
  20. 1.613 km SSE of Mineral, California · 16308 days ago · 24 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1072269. Read Wed, Sep 23, 2026, 3:21 AM UTC.