California earthquakes

M2.1 earthquake 9 km NW of Truckee, California

A magnitude 2.1 earthquake struck 9 km NW of Truckee, California on Mon, Feb 8, 1982, 1:36 AM PST (09:36 UTC), 15 km (9 mi) below the surface.

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

Truckee 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
1982-02-08 09:36:00 UTC
Depth
15.1 km (9.4 mi), shallow
Epicenter
39.378° N, 120.270° 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 1.0 km horizontally, 4.1 km in depth
Magnitude uncertainty
±0.02
Depth from
From location
Station coverage gap
292°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.010 km NW of Truckee, California · 16299 days ago · 4 km deep · 2 km away
  2. 2.011 km NW of Truckee, California · 16296 days ago · 5 km deep · 2 km away
  3. 2.21 km NE of Kingvale, California · 16291 days ago · 4 km deep · 14 km away
  4. 4.02 km N of Cromberg, California · 16288 days ago · 1 km deep · 66 km away
  5. 2.15 km S of Spring Garden, California · 16288 days ago · 23 km deep · 69 km away
  6. 2.23 km NNW of Cromberg, California · 16288 days ago · 5 km deep · 68 km away
  7. 1.911 km SW of Kingvale, California · 16280 days ago · 13 km deep · 26 km away
  8. 2.19 km NE of Soda Springs, California · 16277 days ago · 20 km deep · 2 km away
  9. 2.85 km ENE of Soda Springs, California · 16277 days ago · 18 km deep · 5 km away
  10. 1.87 km SSW of Sierra City, California · 16277 days ago · 16 km deep · 36 km away
  11. 2.07 km SE of La Porte, California · 16274 days ago · 5 km deep · 62 km away
  12. 2.511 km SW of Kingvale, California · 16273 days ago · 44 km deep · 26 km away
  13. 2.011 km NE of Soda Springs, California · 16273 days ago · 4 km deep · 5 km away
  14. 2.68 km NW of Truckee, California · 16271 days ago · 9 km deep · 3 km away
  15. 1.710 km N of Truckee, California · 16270 days ago · 9 km deep · 8 km away
  16. 1.73 km ESE of Loomis, California · 16266 days ago · 0 km deep · 99 km away
  17. 1.93 km SE of Greenhorn, California · 16253 days ago · 5 km deep · 68 km away
  18. 1.97 km SSW of Sierra City, California · 16253 days ago · 24 km deep · 37 km away
  19. 2.13 km WSW of Topaz Lake, Nevada · 16252 days ago · 6 km deep · 98 km away
  20. 2.38 km NW of Plumas Eureka (historical), California · 16251 days ago · 1 km deep · 65 km away
  21. 2.54 km ESE of East Quincy, California · 16242 days ago · 2 km deep · 77 km away

Before

  1. 2.210 km NW of Truckee, California · 16299 days ago · 10 km deep · 1 km away
  2. 2.211 km NE of Soda Springs, California · 16299 days ago · 4 km deep · 3 km away
  3. 1.99 km WSW of Plumas Eureka (historical), California · 16304 days ago · 5 km deep · 60 km away
  4. 1.711 km S of Sierraville, California · 16305 days ago · 0 km deep · 14 km away
  5. 2.97 km SSW of Markleeville, California · 16306 days ago · -2 km deep · 93 km away
  6. 2.59 km SSW of Markleeville, California · 16308 days ago · 2 km deep · 93 km away
  7. 2.09 km NNW of Sierra City, California · 16310 days ago · 28 km deep · 46 km away
  8. 2.81 km SW of Mesa Vista, California · 16312 days ago · 5 km deep · 76 km away
  9. 2.17 km SW of Topaz Lake, Nevada · 16315 days ago · 17 km deep · 100 km away
  10. 2.27 km SW of Sierraville, California · 16325 days ago · 4 km deep · 22 km away
  11. 2.09 km SW of Sattley, California · 16329 days ago · 13 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1071908. Read Thu, Sep 24, 2026, 3:11 PM UTC.