California earthquakes

M1.8 earthquake 7 km NNE of Truckee, California

A magnitude 1.8 earthquake struck 7 km NNE of Truckee, California on Sat, Feb 16, 1985, 7:19 PM PST (03:19 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.5 8 km WSW of La Porte, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-02-17 03:19:45 UTC
Depth
6.2 km (3.8 mi), shallow
Epicenter
39.393° N, 120.154° 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 0.3 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
96°
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: 21 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.53 km N of Plumas Eureka, California · 15188 days ago · -1 km deep · 64 km away
  2. 2.53 km S of Graeagle, California · 15187 days ago · 4 km deep · 55 km away
  3. 2.21 km NNW of Plumas Eureka, California · 15184 days ago · 3 km deep · 63 km away
  4. 1.69 km N of Truckee, California · 15183 days ago · 9 km deep · 4 km away
  5. 2.32 km WNW of La Porte, California · 15181 days ago · 12 km deep · 81 km away
  6. 1.98 km W of La Porte, California · 15181 days ago · 11 km deep · 86 km away
  7. 2.58 km WSW of La Porte, California · 15181 days ago · 14 km deep · 85 km away
  8. 1.79 km N of Truckee, California · 15178 days ago · 9 km deep · 3 km away
  9. 1.68 km N of Truckee, California · 15178 days ago · 5 km deep · 2 km away
  10. 1.65 km W of La Porte, California · 15178 days ago · 12 km deep · 84 km away
  11. 1.97 km W of La Porte, California · 15177 days ago · 12 km deep · 85 km away
  12. 2.27 km W of La Porte, California · 15175 days ago · 7 km deep · 85 km away
  13. 2.01 km W of Mesa Vista, California · 15173 days ago · 2 km deep · 72 km away
  14. 1.60 km SE of Mesa Vista, California · 15158 days ago · -1 km deep · 73 km away
  15. 2.411 km NW of Truckee, California · 15158 days ago · 19 km deep · 10 km away
  16. 1.89 km NNW of Truckee, California · 15158 days ago · 9 km deep · 5 km away
  17. 1.59 km NNW of Truckee, California · 15158 days ago · 9 km deep · 5 km away
  18. 1.610 km NNW of Truckee, California · 15158 days ago · 9 km deep · 6 km away
  19. 1.85 km WNW of Dobbins, California · 15158 days ago · 19 km deep · 95 km away
  20. 2.110 km NNW of Truckee, California · 15157 days ago · 9 km deep · 6 km away
  21. 1.610 km N of Truckee, California · 15157 days ago · 8 km deep · 5 km away

Before

  1. 2.56 km ENE of Markleeville, California · 15221 days ago · 3 km deep · 83 km away
  2. 2.314 km NNW of Truckee, California · 15227 days ago · 10 km deep · 11 km away
  3. 1.78 km SSW of Kirkwood, California · 15234 days ago · 6 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc41203. Read Sun, Oct 4, 2026, 9:38 PM UTC.