California earthquakes

M1.5 earthquake 12km WNW of Cobb, CA

A magnitude 1.5 earthquake struck 12km WNW of Cobb, CA on Mon, Dec 27, 2021, 9:19 AM PST (17:19 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.4 1km NE of The Geysers, CA. This one was a foreshock.

Cobb 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-12-27 17:19:21 UTC
Depth
1.3 km (0.8 mi), shallow
Epicenter
38.865° N, 122.846° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.60
Depth from
From location
Station coverage gap
137°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 79 in the 30 days before it.

After

  1. 1.55km NW of The Geysers, CA · 1743 days ago · 4 km deep · 7 km away
  2. 1.73km NNE of The Geysers, CA · 1742 days ago · 1 km deep · 12 km away
  3. 2.23km NW of The Geysers, CA · 1742 days ago · 1 km deep · 9 km away
  4. 1.63km SSE of The Geysers, CA · 1741 days ago · 1 km deep · 15 km away
  5. 1.52km W of Anderson Springs, CA · 1741 days ago · 2 km deep · 15 km away
  6. 2.57km NW of Cobb, CA · 1741 days ago · 3 km deep · 5 km away · felt by 4
  7. 1.75km NE of Larkfield-Wikiup, CA · 1740 days ago · 8 km deep · 37 km away
  8. 1.713km SE of Laytonville, CA · 1740 days ago · 7 km deep · 94 km away
  9. 2.410km WNW of The Geysers, CA · 1739 days ago · 2 km deep · 4 km away
  10. 1.56km W of Kenwood, CA · 1739 days ago · 6 km deep · 54 km away
  11. 1.66km NW of The Geysers, CA · 1739 days ago · 3 km deep · 6 km away
  12. 1.86km NW of The Geysers, CA · 1738 days ago · 3 km deep · 6 km away
  13. 2.72km E of The Geysers, CA · 1738 days ago · 2 km deep · 14 km away · felt by 6
  14. 1.65km NE of Larkfield-Wikiup, CA · 1738 days ago · 6 km deep · 37 km away
  15. 2.01km NNW of The Geysers, CA · 1738 days ago · 2 km deep · 11 km away
  16. 1.918km SE of Lake Pillsbury, CA · 1737 days ago · 5 km deep · 49 km away
  17. 1.81km WNW of The Geysers, CA · 1737 days ago · 1 km deep · 12 km away · felt by 2
  18. 1.86km SE of Lake Pillsbury, CA · 1737 days ago · 4 km deep · 56 km away
  19. 1.57km ENE of Brooktrails, CA · 1736 days ago · 7 km deep · 79 km away
  20. 1.89km WNW of The Geysers, CA · 1735 days ago · 2 km deep · 5 km away · felt by 3
  21. 2.39km WNW of The Geysers, CA · 1735 days ago · 2 km deep · 5 km away
  22. 1.61km ESE of The Geysers, CA · 1735 days ago · 2 km deep · 13 km away
  23. 1.88km WNW of Cobb, CA · 1735 days ago · 1 km deep · 3 km away
  24. 2.13km SE of The Geysers, CA · 1734 days ago · 2 km deep · 16 km away
  25. 2.16km ENE of Kenwood, CA · 1734 days ago · 9 km deep · 57 km away
  26. 1.78km NW of The Geysers, CA · 1733 days ago · 2 km deep · 4 km away · felt by 1
  27. 1.72km WNW of Anderson Springs, CA · 1733 days ago · 2 km deep · 15 km away
  28. 2.37km W of Cobb, CA · 1732 days ago · 3 km deep · 5 km away · felt by 1
  29. 2.14km WNW of The Geysers, CA · 1732 days ago · 3 km deep · 9 km away
  30. 1.78km NW of The Geysers, CA · 1732 days ago · 2 km deep · 4 km away
  31. 1.65km NW of The Geysers, CA · 1732 days ago · 2 km deep · 7 km away
  32. 2.414km WNW of Alder Springs, CA · 1732 days ago · 7 km deep · 92 km away
  33. 2.013km WNW of Alder Springs, CA · 1732 days ago · 3 km deep · 92 km away
  34. 2.33km SW of Anderson Springs, CA · 1732 days ago · 2 km deep · 17 km away
  35. 2.05km W of Yountville, CA · 1732 days ago · 6 km deep · 64 km away
  36. 2.814km WNW of Alder Springs, CA · 1731 days ago · 7 km deep · 92 km away · felt by 2
  37. 2.67km W of Cobb, CA · 1731 days ago · 1 km deep · 5 km away · felt by 5
  38. 1.77km WNW of Cobb, CA · 1731 days ago · 1 km deep · 5 km away
  39. 1.78km WNW of Cobb, CA · 1731 days ago · 1 km deep · 4 km away
  40. 2.913km WNW of Alder Springs, CA · 1731 days ago · 4 km deep · 92 km away
  41. 2.54km W of Cobb, CA · 1730 days ago · 2 km deep · 8 km away · felt by 1
  42. 1.61km NNW of The Geysers, CA · 1729 days ago · 2 km deep · 11 km away · felt by 1
  43. 1.82km E of Willits, CA · 1729 days ago · 7 km deep · 74 km away
  44. 1.85km SE of Lake Pillsbury, CA · 1728 days ago · -1 km deep · 57 km away
  45. 2.26km S of Anderson Springs, CA · 1728 days ago · 4 km deep · 21 km away
  46. 2.18km NW of The Geysers, CA · 1728 days ago · 2 km deep · 5 km away
  47. 1.78km NW of The Geysers, CA · 1728 days ago · 2 km deep · 5 km away
  48. 1.89km WNW of Cobb, CA · 1727 days ago · 2 km deep · 3 km away
  49. 1.88km NW of Redwood Valley, CA · 1727 days ago · 0 km deep · 62 km away
  50. 1.86km NW of The Geysers, CA · 1726 days ago · 1 km deep · 6 km away
  51. 1.64km S of Redwood Valley, CA · 1726 days ago · 6 km deep · 50 km away
  52. 2.22km NNE of The Geysers, CA · 1726 days ago · 2 km deep · 12 km away
  53. 2.610km NW of The Geysers, CA · 1725 days ago · 2 km deep · 3 km away · felt by 2
  54. 1.72km W of Cobb, CA · 1725 days ago · 1 km deep · 10 km away
  55. 1.81km NNW of The Geysers, CA · 1725 days ago · 2 km deep · 11 km away
  56. 1.83km NNW of The Geysers, CA · 1724 days ago · 0 km deep · 9 km away
  57. 1.86km NNW of The Geysers, CA · 1724 days ago · 1 km deep · 7 km away
  58. 1.74km NNW of The Geysers, CA · 1723 days ago · 0 km deep · 9 km away · felt by 1
  59. 1.712km NNE of Angwin, CA · 1722 days ago · 8 km deep · 44 km away
  60. 1.87km NW of Stony Gorge Reservoir, CA · 1722 days ago · 10 km deep · 88 km away

The first 60 of 162.

Before

  1. 2.46km WNW of North Lakeport, CA · 1743 days ago · 5 km deep · 30 km away · felt by 2
  2. 1.56km WNW of Cobb, CA · 1745 days ago · 2 km deep · 6 km away
  3. 2.23km SW of Anderson Springs, CA · 1745 days ago · 1 km deep · 17 km away
  4. 2.19km NNW of Lake Pillsbury, CA · 1746 days ago · 7 km deep · 71 km away
  5. 1.67km NE of Willits, CA · 1746 days ago · 7 km deep · 75 km away
  6. 2.010km NNW of Redwood Valley, CA · 1746 days ago · 7 km deep · 63 km away · felt by 1
  7. 1.64km WNW of The Geysers, CA · 1746 days ago · 3 km deep · 9 km away
  8. 1.89km NNW of Redwood Valley, CA · 1746 days ago · 7 km deep · 63 km away
  9. 1.54km SE of Clearlake Oaks, CA · 1746 days ago · 5 km deep · 23 km away
  10. 2.55km NNW of The Geysers, CA · 1747 days ago · 1 km deep · 7 km away
  11. 1.86km NNW of The Geysers, CA · 1747 days ago · 1 km deep · 7 km away
  12. 2.513km SE of Talmage, CA · 1747 days ago · 3 km deep · 28 km away · felt by 8
  13. 1.71km N of The Geysers, CA · 1747 days ago · 3 km deep · 12 km away
  14. 1.61km NW of The Geysers, CA · 1747 days ago · 2 km deep · 11 km away
  15. 1.720km ESE of Navarro Head, CA · 1747 days ago · 3 km deep · 68 km away
  16. 1.74km E of Redwood Valley, CA · 1748 days ago · 4 km deep · 53 km away
  17. 2.14km E of Redwood Valley, CA · 1748 days ago · 3 km deep · 53 km away · felt by 1
  18. 1.59km S of Boonville, CA · 1748 days ago · 0 km deep · 46 km away · felt by 1
  19. 1.51km NNW of The Geysers, CA · 1749 days ago · 1 km deep · 11 km away
  20. 1.88km NW of The Geysers, CA · 1749 days ago · 2 km deep · 5 km away

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73668771. Read Mon, Oct 5, 2026, 6:44 AM UTC.