California earthquakes

M1.7 earthquake 35km WNW of Truckee, CA

A magnitude 1.7 earthquake struck 35km WNW of Truckee, CA on Thu, Aug 26, 2021, 10:10 PM PDT (05:10 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.1 14km SSW of Loyalton, CA. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-27 05:10:15 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
39.405° N, 120.583° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
69°
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: 16 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 1.510 km ENE of Doyle, California · 1862 days ago · 9 km deep · 89 km away
  2. 1.53 km SSE of Floriston, California · 1861 days ago · 7 km deep · 50 km away
  3. 1.95km N of Lake Wildwood, CA · 1860 days ago · 1 km deep · 55 km away · felt by 3
  4. 2.017 km ESE of Spanish Springs, Nevada · 1857 days ago · 11 km deep · 93 km away
  5. 1.94 km SSE of Floriston, California · 1857 days ago · 8 km deep · 51 km away
  6. 2.811km NNE of Lake Davis, CA · 1857 days ago · 12 km deep · 64 km away · felt by 13
  7. 1.94 km S of Virginia City, Nevada · 1850 days ago · 12 km deep · 81 km away
  8. 1.85 km SSW of Dayton, Nevada · 1850 days ago · 5 km deep · 85 km away
  9. 1.94 km N of Carter Springs, Nevada · 1846 days ago · 4 km deep · 99 km away · felt by 2
  10. 1.911 km E of Sparks, Nevada · 1846 days ago · 2 km deep · 83 km away
  11. 2.14km SE of Taylorsville, CA · 1841 days ago · 0 km deep · 74 km away
  12. 1.94 km N of Carter Springs, Nevada · 1840 days ago · 4 km deep · 99 km away
  13. 1.57 km ENE of Floriston, California · 1840 days ago · 7 km deep · 56 km away · felt by 1
  14. 1.57 km W of Mesa Vista, California · 1837 days ago · 13 km deep · 89 km away
  15. 2.17 km ENE of Floriston, California · 1836 days ago · 9 km deep · 55 km away
  16. 3.114km SSW of Loyalton, CA · 1806 days ago · 6 km deep · 29 km away · felt by 16

Before

  1. 1.63km S of East Shore, CA · 1869 days ago · 6 km deep · 99 km away
  2. 1.99km W of Caribou, CA · 1871 days ago · 9 km deep · 96 km away
  3. 1.510 km ESE of Carson City, Nevada · 1872 days ago · 11 km deep · 85 km away
  4. 3.39 km ESE of Carson City, Nevada · 1872 days ago · 11 km deep · 85 km away · felt by 374
  5. 2.17km N of Greenhorn, CA · 1875 days ago · 7 km deep · 64 km away
  6. 2.11km WNW of Lake Davis, CA · 1890 days ago · 6 km deep · 53 km away
  7. 2.24km ESE of Truckee, CA · 1892 days ago · 7 km deep · 39 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc71125699. Read Sat, Oct 3, 2026, 10:04 PM UTC.