California earthquakes

M1.8 earthquake 14km NNW of Viola, CA

A magnitude 1.8 earthquake struck 14km NNW of Viola, CA on Wed, Apr 14, 2021, 12:29 PM PDT (19:29 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.9 25km N of Shasta Lake, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-04-14 19:29:22 UTC
Depth
-0.0 km (-0.0 mi), shallow
Epicenter
40.637° N, 121.743° 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 0.4 km horizontally, 1.5 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
102°
Stations used
15

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 21 in the 30 days before it.

After

  1. 2.19km NNE of Burney, CA · 1996 days ago · 13 km deep · 37 km away
  2. 1.89km ESE of Millville, CA · 1990 days ago · 16 km deep · 31 km away
  3. 2.010km WNW of Viola, CA · 1989 days ago · 10 km deep · 9 km away
  4. 1.818km WSW of Almanor, CA · 1988 days ago · 11 km deep · 61 km away
  5. 1.83km WSW of Shasta Lake, CA · 1985 days ago · 17 km deep · 56 km away
  6. 2.219km WSW of Manton, CA · 1983 days ago · 15 km deep · 43 km away
  7. 2.72km NNW of Chico, CA · 1981 days ago · 14 km deep · 99 km away · felt by 4
  8. 1.729km N of Shasta Lake, CA · 1973 days ago · 14 km deep · 66 km away
  9. 1.72km NE of Chester, CA · 1973 days ago · 10 km deep · 57 km away
  10. 1.913km W of Shingletown, CA · 1973 days ago · 17 km deep · 30 km away
  11. 2.925km N of Shasta Lake, CA · 1970 days ago · 20 km deep · 61 km away · felt by 16
  12. 1.833km NNW of Susanville, CA · 1970 days ago · 13 km deep · 79 km away
  13. 1.625km NNE of Hamilton Branch, CA · 1969 days ago · 2 km deep · 67 km away
  14. 2.010km ENE of French Gulch, CA · 1968 days ago · 15 km deep · 66 km away
  15. 1.69km E of Millville, CA · 1962 days ago · 11 km deep · 30 km away
  16. 2.018km WNW of Round Mountain, CA · 1962 days ago · 13 km deep · 42 km away
  17. 1.920km NE of Red Bluff, CA · 1957 days ago · 10 km deep · 46 km away
  18. 1.65km N of Millville, CA · 1955 days ago · 14 km deep · 38 km away
  19. 1.74km NNE of Canyondam, CA · 1950 days ago · 8 km deep · 76 km away
  20. 1.63km ENE of Prattville, CA · 1946 days ago · 7 km deep · 70 km away
  21. 2.32km N of Canyondam, CA · 1941 days ago · 5 km deep · 75 km away
  22. 2.14km SSW of East Shore, CA · 1941 days ago · 5 km deep · 73 km away
  23. 2.02km SW of McArthur, CA · 1939 days ago · 12 km deep · 52 km away
  24. 2.112km NNE of Shasta Lake, CA · 1938 days ago · 21 km deep · 51 km away

Before

  1. 1.921km SE of Anderson, CA · 1998 days ago · 12 km deep · 45 km away
  2. 1.623km N of Shasta Lake, CA · 2000 days ago · 9 km deep · 61 km away
  3. 2.39km ENE of Viola, CA · 2000 days ago · 3 km deep · 18 km away
  4. 2.23km ENE of Canyondam, CA · 2002 days ago · 5 km deep · 78 km away
  5. 2.02km ENE of Montgomery Creek, CA · 2003 days ago · 15 km deep · 27 km away
  6. 1.928km N of Shasta Lake, CA · 2003 days ago · 15 km deep · 62 km away
  7. 2.07km ESE of McCloud, CA · 2005 days ago · 8 km deep · 71 km away
  8. 1.730km NNW of Forest Ranch, CA · 2006 days ago · 16 km deep · 56 km away
  9. 1.95km NNE of Almanor, CA · 2007 days ago · 7 km deep · 65 km away
  10. 2.214km NNE of Mineral, CA · 2008 days ago · 3 km deep · 26 km away
  11. 1.814km NNE of Mineral, CA · 2008 days ago · 3 km deep · 26 km away
  12. 1.66km WNW of Palo Cedro, CA · 2008 days ago · 15 km deep · 48 km away
  13. 1.512km W of Shingletown, CA · 2008 days ago · 17 km deep · 29 km away
  14. 3.013km W of Shingletown, CA · 2011 days ago · 19 km deep · 31 km away · felt by 77
  15. 1.516km NNW of Shingletown, CA · 2013 days ago · 3 km deep · 19 km away
  16. 2.126km N of Shasta Lake, CA · 2018 days ago · 15 km deep · 64 km away
  17. 2.513km N of Viola, CA · 2019 days ago · 8 km deep · 7 km away
  18. 1.925km N of Shasta Lake, CA · 2020 days ago · 8 km deep · 63 km away · felt by 1
  19. 1.511km SW of Chester, CA · 2025 days ago · 9 km deep · 56 km away
  20. 1.813km NNE of Shingletown, CA · 2026 days ago · 7 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73549385. Read Sat, Oct 3, 2026, 11:16 AM UTC.