California earthquakes

M2.4 earthquake 9km WNW of Cobb, CA

A magnitude 2.4 earthquake struck 9km WNW of Cobb, CA on Sun, Nov 21, 2021, 11:48 PM PST (07:48 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.9 13km WNW of Alder Springs, 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.

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The earthquake

Magnitude
2.4 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-11-22 07:48:44 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
38.841° N, 122.820° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
43°
Stations used
66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 87 in the 30 days before it.

After

  1. 1.77km W of Cobb, CA · 1776 days ago · 3 km deep · 2 km away
  2. 1.95km NNW of The Geysers, CA · 1776 days ago · 1 km deep · 4 km away
  3. 1.910km ENE of Healdsburg, CA · 1776 days ago · 5 km deep · 21 km away
  4. 2.06km WNW of Cobb, CA · 1776 days ago · 2 km deep · 3 km away
  5. 2.05km W of Cobb, CA · 1772 days ago · 1 km deep · 4 km away · felt by 1
  6. 2.17km NW of The Geysers, CA · 1772 days ago · 3 km deep · 2 km away
  7. 2.27km NW of The Geysers, CA · 1772 days ago · 3 km deep · 2 km away
  8. 1.612km NW of Upper Lake, CA · 1772 days ago · 1 km deep · 48 km away
  9. 1.88km NW of The Geysers, CA · 1772 days ago · 2 km deep · 1 km away
  10. 1.67km ENE of Kenwood, CA · 1771 days ago · 7 km deep · 54 km away
  11. 1.96km NNE of Windsor, CA · 1771 days ago · 7 km deep · 27 km away
  12. 1.89km W of Cobb, CA · 1770 days ago · 1 km deep · 0 km away
  13. 1.69km W of Cobb, CA · 1770 days ago · 1 km deep · 0 km away
  14. 1.59km WNW of Cobb, CA · 1770 days ago · 1 km deep · 0 km away
  15. 1.912km W of Lake Pillsbury, CA · 1770 days ago · -1 km deep · 69 km away
  16. 1.616km ESE of Boonville, CA · 1769 days ago · 6 km deep · 35 km away
  17. 2.110km N of Lake Pillsbury, CA · 1769 days ago · 6 km deep · 73 km away
  18. 1.64km SSE of Redwood Valley, CA · 1769 days ago · 6 km deep · 54 km away
  19. 1.612km N of Brooktrails, CA · 1769 days ago · 7 km deep · 92 km away
  20. 1.68km NW of The Geysers, CA · 1768 days ago · 2 km deep · 1 km away
  21. 1.76km NW of The Geysers, CA · 1768 days ago · 3 km deep · 3 km away
  22. 2.53km ENE of The Geysers, CA · 1768 days ago · 2 km deep · 10 km away · felt by 6
  23. 1.53km SSW of Cobb, CA · 1768 days ago · 1 km deep · 9 km away
  24. 2.41km NNW of The Geysers, CA · 1768 days ago · 2 km deep · 8 km away
  25. 1.88km NW of The Geysers, CA · 1765 days ago · 2 km deep · 1 km away
  26. 1.816km W of Ukiah, CA · 1764 days ago · 4 km deep · 61 km away
  27. 1.85km NW of Point Arena, CA · 1764 days ago · 3 km deep · 81 km away
  28. 2.51km NW of The Geysers, CA · 1764 days ago · 1 km deep · 8 km away · felt by 1
  29. 2.23km NNW of The Geysers, CA · 1764 days ago · 1 km deep · 6 km away
  30. 1.82km ESE of The Geysers, CA · 1764 days ago · 3 km deep · 11 km away
  31. 1.62km NE of The Geysers, CA · 1762 days ago · 2 km deep · 9 km away
  32. 1.77km W of Cobb, CA · 1762 days ago · 3 km deep · 1 km away
  33. 1.92km E of The Geysers, CA · 1762 days ago · 1 km deep · 10 km away
  34. 1.66km WNW of Cobb, CA · 1762 days ago · 2 km deep · 2 km away
  35. 1.53km ESE of The Geysers, CA · 1761 days ago · 1 km deep · 11 km away
  36. 1.61km ESE of The Geysers, CA · 1760 days ago · 1 km deep · 10 km away
  37. 1.81km NE of The Geysers, CA · 1760 days ago · 0 km deep · 9 km away
  38. 1.514km E of Boonville, CA · 1760 days ago · 7 km deep · 38 km away
  39. 2.04km WNW of The Geysers, CA · 1759 days ago · 1 km deep · 6 km away
  40. 1.72km W of Anderson Springs, CA · 1759 days ago · 2 km deep · 12 km away
  41. 1.59km WNW of Cobb, CA · 1758 days ago · 2 km deep · 0 km away
  42. 2.57km SW of Calistoga, CA · 1758 days ago · 7 km deep · 37 km away · felt by 30
  43. 1.712km N of Brooktrails, CA · 1758 days ago · 7 km deep · 93 km away
  44. 2.212km N of Brooktrails, CA · 1758 days ago · 8 km deep · 92 km away
  45. 2.18km SW of Calistoga, CA · 1758 days ago · 8 km deep · 38 km away
  46. 1.62km NW of The Geysers, CA · 1758 days ago · 3 km deep · 7 km away
  47. 1.74km NNW of Larkfield-Wikiup, CA · 1758 days ago · 9 km deep · 33 km away
  48. 1.97km W of Cobb, CA · 1757 days ago · 2 km deep · 1 km away
  49. 1.67km W of Cobb, CA · 1757 days ago · 2 km deep · 2 km away
  50. 1.63km NW of The Geysers, CA · 1756 days ago · 1 km deep · 6 km away
  51. 1.74km W of Cobb, CA · 1756 days ago · 2 km deep · 5 km away
  52. 1.510km NW of The Geysers, CA · 1756 days ago · 2 km deep · 2 km away
  53. 1.67km WSW of Lagunitas-Forest Knolls, CA · 1755 days ago · 5 km deep · 94 km away
  54. 1.97km WSW of The Geysers, CA · 1755 days ago · 4 km deep · 11 km away
  55. 1.71km NE of The Geysers, CA · 1755 days ago · 2 km deep · 9 km away
  56. 1.55km NNE of Clearlake, CA · 1754 days ago · 5 km deep · 26 km away
  57. 1.55km NW of The Geysers, CA · 1754 days ago · 3 km deep · 4 km away
  58. 1.87km WNW of Cobb, CA · 1754 days ago · 2 km deep · 2 km away
  59. 2.68km WNW of Cobb, CA · 1754 days ago · 2 km deep · 1 km away · felt by 2
  60. 1.63km E of The Geysers, CA · 1754 days ago · 1 km deep · 11 km away

The first 60 of 156.

Before

  1. 1.814km SE of Laytonville, CA · 1777 days ago · 10 km deep · 96 km away
  2. 1.68km W of Cobb, CA · 1779 days ago · 2 km deep · 1 km away
  3. 2.44km S of Dillon Beach, CA · 1779 days ago · 10 km deep · 72 km away
  4. 1.83km S of Dillon Beach, CA · 1779 days ago · 10 km deep · 71 km away
  5. 1.713km ENE of Cloverdale, CA · 1780 days ago · 3 km deep · 5 km away
  6. 1.67km NE of Brooktrails, CA · 1782 days ago · 8 km deep · 84 km away
  7. 2.16km W of Cobb, CA · 1782 days ago · 3 km deep · 3 km away
  8. 2.513km W of Lakeport, CA · 1782 days ago · 3 km deep · 29 km away · felt by 7
  9. 1.63km SE of The Geysers, CA · 1782 days ago · 1 km deep · 12 km away
  10. 1.58km NW of The Geysers, CA · 1783 days ago · 2 km deep · 1 km away
  11. 1.93km SSW of Cobb, CA · 1783 days ago · 1 km deep · 8 km away
  12. 1.710km NE of Napa, CA · 1783 days ago · 7 km deep · 76 km away
  13. 1.714km E of Angwin, CA · 1783 days ago · 5 km deep · 55 km away
  14. 1.86km NNW of The Geysers, CA · 1784 days ago · 3 km deep · 3 km away
  15. 1.71km NNE of Kelseyville, CA · 1784 days ago · 6 km deep · 16 km away
  16. 1.57km W of Cobb, CA · 1785 days ago · 3 km deep · 1 km away
  17. 1.67km E of Penngrove, CA · 1785 days ago · 7 km deep · 65 km away · felt by 1
  18. 1.510km NW of Point Arena, CA · 1786 days ago · 2 km deep · 83 km away
  19. 1.718km ENE of Nice, CA · 1787 days ago · 5 km deep · 43 km away
  20. 1.96km SW of Arbuckle, CA · 1787 days ago · 27 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73656190. Read Sat, Oct 3, 2026, 11:21 PM UTC.