California earthquakes

M1.6 earthquake 12km W of Chester, CA

A magnitude 1.6 earthquake struck 12km W of Chester, CA on Sat, Nov 27, 2021, 2:39 AM PST (10:39 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M2.9 12km SE of Mineral, CA. This one was a foreshock.

Chester forecastMore in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-11-27 10:39:59 UTC
Depth
7.3 km (4.6 mi), shallow
Epicenter
40.287° N, 121.366° 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, 2.0 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
118°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 17 in the 30 days before it.

After

  1. 1.58km SSE of Mineral, CA · 1772 days ago · 10 km deep · 15 km away
  2. 1.712km WSW of Chester, CA · 1772 days ago · 7 km deep · 1 km away
  3. 2.416km SSE of Mineral, CA · 1772 days ago · 6 km deep · 13 km away
  4. 1.53 km SSE of Greenhorn, California · 1767 days ago · 10 km deep · 70 km away
  5. 1.99km E of Montgomery Creek, CA · 1765 days ago · 13 km deep · 73 km away
  6. 1.713km NNE of Shingletown, CA · 1761 days ago · 10 km deep · 51 km away
  7. 1.71km NE of Shasta Lake, CA · 1760 days ago · 16 km deep · 95 km away
  8. 2.52km ENE of Prattville, CA · 1760 days ago · 5 km deep · 21 km away · felt by 1
  9. 2.82km ENE of Prattville, CA · 1759 days ago · 6 km deep · 21 km away · felt by 10
  10. 1.62km E of Prattville, CA · 1759 days ago · 4 km deep · 22 km away
  11. 2.221km NE of Viola, CA · 1754 days ago · 12 km deep · 43 km away
  12. 1.810km ESE of Millville, CA · 1751 days ago · 16 km deep · 65 km away
  13. 2.421km SSE of Mineral, CA · 1747 days ago · 15 km deep · 17 km away · felt by 2
  14. 2.39km WSW of Shingletown, CA · 1746 days ago · 11 km deep · 57 km away
  15. 1.67km WSW of Shingletown, CA · 1746 days ago · 13 km deep · 55 km away · felt by 1
  16. 1.629 km NW of Susanville, California · 1742 days ago · 0 km deep · 51 km away
  17. 2.33km ENE of Prattville, CA · 1740 days ago · 6 km deep · 22 km away
  18. 2.53km E of Prattville, CA · 1740 days ago · 5 km deep · 22 km away · felt by 2
  19. 2.912km SE of Mineral, CA · 1739 days ago · 8 km deep · 9 km away · felt by 3
  20. 2.28km W of Chester, CA · 1736 days ago · 9 km deep · 5 km away
  21. 2.215km ENE of Willows, CA · 1734 days ago · 26 km deep · 98 km away · felt by 1
  22. 1.811km ESE of Millville, CA · 1733 days ago · 12 km deep · 65 km away
  23. 1.51 km ESE of C-Road, California · 1726 days ago · 14 km deep · 90 km away
  24. 1.99km ESE of Millville, CA · 1717 days ago · 18 km deep · 66 km away
  25. 1.56km NNE of Millville, CA · 1716 days ago · 13 km deep · 77 km away
  26. 2.324km NNE of Forest Ranch, CA · 1715 days ago · 9 km deep · 28 km away
  27. 1.88km NNW of Bella Vista, CA · 1713 days ago · 19 km deep · 90 km away

Before

  1. 1.711km NNE of Bella Vista, CA · 1772 days ago · 10 km deep · 85 km away
  2. 1.77km SSE of Mineral, CA · 1772 days ago · 12 km deep · 16 km away
  3. 1.612km N of Mineral, CA · 1775 days ago · 4 km deep · 25 km away
  4. 1.93km NE of Viola, CA · 1775 days ago · 6 km deep · 37 km away
  5. 2.36km ENE of Shasta, CA · 1776 days ago · 22 km deep · 97 km away
  6. 2.82km NE of Almanor, CA · 1779 days ago · 8 km deep · 19 km away · felt by 5
  7. 1.69km S of Mineral, CA · 1779 days ago · 14 km deep · 16 km away
  8. 2.23km WSW of Cromberg, CA · 1786 days ago · -2 km deep · 71 km away
  9. 2.215km SE of Honey Lake, CA · 1787 days ago · 3 km deep · 100 km away
  10. 1.62km WNW of Shasta Lake, CA · 1789 days ago · 23 km deep · 97 km away
  11. 1.812km NE of Bella Vista, CA · 1795 days ago · 7 km deep · 83 km away · felt by 1
  12. 2.511km NNE of Bella Vista, CA · 1795 days ago · 9 km deep · 85 km away · felt by 2
  13. 2.13km NNE of Chester, CA · 1796 days ago · 9 km deep · 13 km away
  14. 1.619km NE of Big Bend, CA · 1798 days ago · 4 km deep · 97 km away
  15. 1.836km SE of Fall River Mills, CA · 1799 days ago · 14 km deep · 53 km away
  16. 2.75km ENE of East Quincy, CA · 1801 days ago · 5 km deep · 58 km away · felt by 7
  17. 1.83km NNE of Chester, CA · 1802 days ago · 10 km deep · 14 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73658615. Read Sun, Oct 4, 2026, 2:05 PM UTC.