California earthquakes

M2.2 earthquake 16km E of Willows, CA

A magnitude 2.2 earthquake struck 16km E of Willows, CA on Sun, Dec 27, 2020, 6:59 AM PST (14:59 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M3.0 8km SSW of Kelseyville, CA. This one was a foreshock.

Willows forecastMore in California

Map

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

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The earthquake

Magnitude
2.2 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2020-12-27 14:59:47 UTC
Depth
24.1 km (15.0 mi), shallow
Epicenter
39.505° N, 122.014° W
Felt reports
45
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

45 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.3 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.22
Depth from
From location
Station coverage gap
48°
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 49 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.710km ESE of Redwood Valley, CA · 2102 days ago · 7 km deep · 97 km away
  2. 1.83km WNW of Cobb, CA · 2102 days ago · 0 km deep · 99 km away
  3. 1.78km WSW of Upper Lake, CA · 2101 days ago · 9 km deep · 94 km away · felt by 1
  4. 1.75km WNW of Cobb, CA · 2092 days ago · 2 km deep · 100 km away
  5. 1.63km WNW of Cobb, CA · 2085 days ago · 1 km deep · 98 km away
  6. 2.021km NE of Red Bluff, CA · 2083 days ago · 15 km deep · 92 km away
  7. 1.77km NE of Lower Lake, CA · 2081 days ago · 0 km deep · 77 km away · felt by 1
  8. 1.727km ENE of Los Molinos, CA · 2080 days ago · 17 km deep · 70 km away
  9. 1.96km NNE of Lake Pillsbury, CA · 2079 days ago · 10 km deep · 80 km away
  10. 1.83km SSW of Cobb, CA · 2079 days ago · 2 km deep · 100 km away · felt by 1
  11. 1.69km E of Redwood Valley, CA · 2078 days ago · 7 km deep · 97 km away
  12. 1.717km NNE of Nice, CA · 2077 days ago · 12 km deep · 69 km away
  13. 2.59km ESE of Redwood Valley, CA · 2077 days ago · 7 km deep · 98 km away · felt by 3
  14. 2.318km NNE of Nice, CA · 2077 days ago · 11 km deep · 68 km away · felt by 1
  15. 1.614km ESE of Redwood Valley, CA · 2077 days ago · 8 km deep · 94 km away · felt by 1
  16. 2.03km NW of Lower Lake, CA · 2077 days ago · 5 km deep · 84 km away · felt by 1
  17. 1.58km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 99 km away
  18. 1.55km WNW of Cobb, CA · 2074 days ago · 2 km deep · 100 km away
  19. 3.08km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 100 km away · felt by 33
  20. 1.98km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 100 km away · felt by 1
  21. 2.18km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 99 km away
  22. 1.58km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 99 km away
  23. 2.58km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 99 km away · felt by 10
  24. 2.28km SSW of Kelseyville, CA · 2074 days ago · 4 km deep · 100 km away · felt by 11
  25. 2.08km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 99 km away · felt by 2
  26. 1.78km SSW of Kelseyville, CA · 2074 days ago · 5 km deep · 100 km away
  27. 2.06km NNE of Lake Pillsbury, CA · 2073 days ago · 5 km deep · 80 km away
  28. 1.89km ESE of Redwood Valley, CA · 2072 days ago · 6 km deep · 98 km away
  29. 2.09km ESE of Redwood Valley, CA · 2072 days ago · 7 km deep · 97 km away
  30. 1.85km SE of Hamilton City, CA · 2072 days ago · 15 km deep · 23 km away
  31. 2.614km SSE of Willows, CA · 2072 days ago · 26 km deep · 14 km away · felt by 10
  32. 2.610km ESE of Redwood Valley, CA · 2064 days ago · 6 km deep · 97 km away · felt by 9
  33. 2.46km ESE of Red Bluff, CA · 2063 days ago · 32 km deep · 73 km away
  34. 1.711km N of Lake Pillsbury, CA · 2061 days ago · 9 km deep · 83 km away
  35. 2.819km WSW of Manton, CA · 2061 days ago · 15 km deep · 92 km away
  36. 2.06km ENE of Lake Pillsbury, CA · 2060 days ago · 5 km deep · 76 km away · felt by 1
  37. 1.910km ESE of Redwood Valley, CA · 2060 days ago · 6 km deep · 97 km away
  38. 2.39km N of Loma Rica, CA · 2059 days ago · 2 km deep · 52 km away · felt by 8
  39. 1.613km ESE of Hidden Valley Lake, CA · 2058 days ago · 7 km deep · 90 km away
  40. 1.58km SSW of Kelseyville, CA · 2057 days ago · 4 km deep · 100 km away
  41. 1.718km ESE of Anderson, CA · 2056 days ago · 14 km deep · 98 km away
  42. 2.15km WNW of Cobb, CA · 2055 days ago · 2 km deep · 100 km away
  43. 2.210km ESE of Hidden Valley Lake, CA · 2054 days ago · 8 km deep · 89 km away
  44. 1.55km E of Clearlake Oaks, CA · 2054 days ago · -1 km deep · 74 km away
  45. 1.86km WNW of Cobb, CA · 2053 days ago · 2 km deep · 100 km away
  46. 1.54km W of Cobb, CA · 2053 days ago · 2 km deep · 100 km away
  47. 2.13km W of Chico, CA · 2053 days ago · 13 km deep · 29 km away
  48. 1.712km SE of Mineral, CA · 2052 days ago · 6 km deep · 99 km away
  49. 1.65km N of Lake Pillsbury, CA · 2050 days ago · 9 km deep · 82 km away

Before

  1. 3.915km E of Willows, CA · 2107 days ago · 26 km deep · 0 km away · felt by 624
  2. 1.98km WNW of Caribou, CA · 2108 days ago · 2 km deep · 94 km away
  3. 1.83km S of Cobb, CA · 2111 days ago · 3 km deep · 100 km away
  4. 1.916km NW of Biggs, CA · 2123 days ago · 20 km deep · 13 km away
  5. 1.713km N of Lake Pillsbury, CA · 2124 days ago · 8 km deep · 81 km away
  6. 2.020km SSW of Manton, CA · 2124 days ago · 12 km deep · 83 km away
  7. 2.16km NW of Lake Pillsbury, CA · 2133 days ago · 9 km deep · 86 km away
  8. 1.56km E of Redwood Valley, CA · 2134 days ago · 6 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73503455. Read Sun, Oct 4, 2026, 9:21 AM UTC.