California earthquakes

M1.7 earthquake 27km N of Shasta Lake, CA

A magnitude 1.7 earthquake struck 27km N of Shasta Lake, CA on Sat, Dec 11, 2021, 12:54 AM PST (08:54 UTC), 14 km (8 mi) below the surface.

A larger quake followed: M2.9 29km ENE of Willow Creek, 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
2021-12-11 08:54:58 UTC
Depth
13.5 km (8.4 mi), shallow
Epicenter
40.919° N, 122.374° 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 0.2 km horizontally, 1.4 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
68°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.310km SE of Willow Creek, CA · 1757 days ago · 18 km deep · 97 km away
  2. 2.221km NE of Viola, CA · 1754 days ago · 12 km deep · 78 km away
  3. 1.810km ESE of Millville, CA · 1750 days ago · 16 km deep · 51 km away
  4. 2.929km ENE of Willow Creek, CA · 1747 days ago · 40 km deep · 79 km away · felt by 1
  5. 2.39km WSW of Shingletown, CA · 1746 days ago · 11 km deep · 60 km away
  6. 1.67km WSW of Shingletown, CA · 1746 days ago · 13 km deep · 60 km away · felt by 1
  7. 1.811km ESE of Millville, CA · 1733 days ago · 12 km deep · 51 km away
  8. 1.724km N of Shasta Lake, CA · 1724 days ago · 18 km deep · 4 km away
  9. 1.99km ESE of Millville, CA · 1717 days ago · 18 km deep · 50 km away
  10. 1.56km NNE of Millville, CA · 1716 days ago · 13 km deep · 38 km away
  11. 1.88km NNW of Bella Vista, CA · 1713 days ago · 19 km deep · 25 km away
  12. 1.68km NNW of Bella Vista, CA · 1711 days ago · 19 km deep · 25 km away
  13. 2.224km NW of Hayfork, CA · 1709 days ago · 27 km deep · 85 km away
  14. 1.615km W of Round Mountain, CA · 1706 days ago · 9 km deep · 27 km away

Before

  1. 1.823km N of Shasta Lake, CA · 1759 days ago · 10 km deep · 4 km away
  2. 1.71km NE of Shasta Lake, CA · 1760 days ago · 16 km deep · 26 km away
  3. 1.713km NNE of Shingletown, CA · 1761 days ago · 10 km deep · 59 km away
  4. 1.99km E of Montgomery Creek, CA · 1765 days ago · 13 km deep · 48 km away
  5. 2.59km NNE of Hayfork, CA · 1771 days ago · 31 km deep · 72 km away
  6. 1.58km SSE of Mineral, CA · 1772 days ago · 10 km deep · 99 km away
  7. 1.711km NNE of Bella Vista, CA · 1772 days ago · 10 km deep · 26 km away
  8. 1.77km SSE of Mineral, CA · 1772 days ago · 12 km deep · 98 km away
  9. 2.29km ESE of Willow Creek, CA · 1774 days ago · 22 km deep · 98 km away
  10. 1.612km N of Mineral, CA · 1775 days ago · 4 km deep · 86 km away
  11. 1.93km NE of Viola, CA · 1775 days ago · 6 km deep · 74 km away
  12. 2.421km SSE of Willow Creek, CA · 1775 days ago · 21 km deep · 98 km away
  13. 2.36km ENE of Shasta, CA · 1776 days ago · 22 km deep · 33 km away
  14. 1.69km S of Mineral, CA · 1779 days ago · 14 km deep · 99 km away
  15. 2.516km SSE of Somes Bar, CA · 1787 days ago · 38 km deep · 92 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73662521. Read Sun, Oct 4, 2026, 9:42 AM UTC.