California earthquakes

M1.6 earthquake 3km S of Canyondam, CA

A magnitude 1.6 earthquake struck 3km S of Canyondam, CA on Sat, Feb 20, 2021, 2:08 PM PST (22:08 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.0 13km W of Shingletown, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-02-20 22:08:39 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
40.143° N, 121.076° 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 0.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
94°
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: 24 in the 60 days after this one and 19 in the 30 days before it.

After

  1. 1.57km ENE of Mineral, CA · 2050 days ago · 9 km deep · 44 km away
  2. 2.08km NNW of Chester, CA · 2046 days ago · 5 km deep · 31 km away
  3. 1.816km NNW of Shingletown, CA · 2038 days ago · 15 km deep · 91 km away
  4. 1.56km NNE of Almanor, CA · 2037 days ago · 8 km deep · 16 km away · felt by 1
  5. 2.64km NNE of Almanor, CA · 2037 days ago · 9 km deep · 14 km away · felt by 5
  6. 1.619km NW of Viola, CA · 2031 days ago · 9 km deep · 84 km away
  7. 2.315km E of Anderson, CA · 2029 days ago · 21 km deep · 94 km away
  8. 1.813km NNE of Shingletown, CA · 2027 days ago · 7 km deep · 80 km away
  9. 1.511km SW of Chester, CA · 2027 days ago · 9 km deep · 24 km away
  10. 2.513km N of Viola, CA · 2021 days ago · 8 km deep · 73 km away
  11. 1.516km NNW of Shingletown, CA · 2015 days ago · 3 km deep · 93 km away
  12. 1.72 km ENE of East Quincy, California · 2015 days ago · 15 km deep · 29 km away
  13. 2.03km WSW of Whitehawk, CA · 2013 days ago · 9 km deep · 64 km away
  14. 3.013km W of Shingletown, CA · 2013 days ago · 19 km deep · 90 km away · felt by 77
  15. 1.512km W of Shingletown, CA · 2010 days ago · 17 km deep · 89 km away
  16. 1.814km NNE of Mineral, CA · 2010 days ago · 3 km deep · 52 km away
  17. 2.214km NNE of Mineral, CA · 2009 days ago · 3 km deep · 53 km away
  18. 1.95km NNE of Almanor, CA · 2009 days ago · 7 km deep · 15 km away
  19. 1.84km SSE of Hamilton City, CA · 2009 days ago · 16 km deep · 93 km away
  20. 1.730km NNW of Forest Ranch, CA · 2008 days ago · 16 km deep · 60 km away
  21. 2.23km ENE of Canyondam, CA · 2004 days ago · 5 km deep · 5 km away
  22. 2.39km ENE of Viola, CA · 2002 days ago · 3 km deep · 61 km away
  23. 1.921km SE of Anderson, CA · 1999 days ago · 12 km deep · 90 km away
  24. 1.814km NNW of Viola, CA · 1999 days ago · 0 km deep · 79 km away

Before

  1. 1.712km SE of Mineral, CA · 2053 days ago · 6 km deep · 37 km away
  2. 1.83 km SSE of Sattley, California · 2054 days ago · 15 km deep · 84 km away
  3. 2.118km WSW of Loyalton, CA · 2054 days ago · 10 km deep · 83 km away
  4. 2.13km W of Chico, CA · 2054 days ago · 13 km deep · 81 km away
  5. 2.710km SSE of Beckwourth, CA · 2055 days ago · 10 km deep · 77 km away · felt by 6
  6. 2.016km SW of Loyalton, CA · 2055 days ago · 4 km deep · 87 km away
  7. 1.718km ESE of Anderson, CA · 2057 days ago · 14 km deep · 91 km away
  8. 2.39km N of Loma Rica, CA · 2060 days ago · 2 km deep · 89 km away · felt by 8
  9. 2.06km N of Greenhorn, CA · 2061 days ago · 12 km deep · 36 km away
  10. 2.819km WSW of Manton, CA · 2061 days ago · 15 km deep · 85 km away
  11. 1.83km N of Spring Garden, CA · 2062 days ago · 9 km deep · 33 km away
  12. 2.46km ESE of Red Bluff, CA · 2064 days ago · 32 km deep · 93 km away
  13. 1.89km W of Susanville, CA · 2066 days ago · 10 km deep · 40 km away
  14. 1.85km SE of Hamilton City, CA · 2073 days ago · 15 km deep · 90 km away
  15. 1.98km NW of Chester, CA · 2078 days ago · 10 km deep · 30 km away
  16. 2.29km NW of Chester, CA · 2078 days ago · 9 km deep · 32 km away
  17. 1.99km NW of Chester, CA · 2078 days ago · 3 km deep · 32 km away
  18. 1.613km ESE of Millville, CA · 2079 days ago · 11 km deep · 92 km away
  19. 1.727km ENE of Los Molinos, CA · 2081 days ago · 17 km deep · 62 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73525601. Read Mon, Oct 5, 2026, 4:07 AM UTC.