California earthquakes

M2.4 earthquake 40km N of Covelo, CA

A magnitude 2.4 earthquake struck 40km N of Covelo, CA on Sat, Aug 28, 2021, 9:46 PM PDT (04:46 UTC), 37 km (23 mi) below the surface.

A larger quake followed: M3.6 13km SE of Petrolia, CA. This one was a foreshock.

Covelo 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
2021-08-29 04:46:00 UTC
Depth
36.9 km (22.9 mi), shallow
Epicenter
40.143° N, 123.157° 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, 0.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
53°
Stations used
39

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 73 in the 60 days after this one and 98 in the 30 days before it.

After

  1. 1.69km E of Willits, CA · 1862 days ago · 8 km deep · 83 km away
  2. 1.714km NNE of Brooktrails, CA · 1861 days ago · 9 km deep · 66 km away
  3. 1.62km W of Palo Cedro, CA · 1861 days ago · 14 km deep · 89 km away
  4. 1.819km NNW of Laytonville, CA · 1858 days ago · 7 km deep · 51 km away
  5. 2.811km NE of Covelo, CA · 1857 days ago · 6 km deep · 30 km away
  6. 1.72km WSW of Palo Cedro, CA · 1857 days ago · 18 km deep · 89 km away
  7. 2.315km W of Weaverville, CA · 1857 days ago · 39 km deep · 66 km away
  8. 1.813km WNW of Alder Springs, CA · 1857 days ago · 3 km deep · 57 km away
  9. 1.513km N of Brooktrails, CA · 1856 days ago · 8 km deep · 68 km away
  10. 1.80km SW of Laytonville, CA · 1854 days ago · 5 km deep · 58 km away
  11. 1.61km SW of Palo Cedro, CA · 1854 days ago · 13 km deep · 90 km away
  12. 1.51km NW of Palo Cedro, CA · 1853 days ago · 15 km deep · 90 km away
  13. 1.63km WSW of Shasta Lake, CA · 1853 days ago · 17 km deep · 87 km away
  14. 1.97km NW of Laytonville, CA · 1853 days ago · 8 km deep · 55 km away
  15. 1.51km NW of Palo Cedro, CA · 1852 days ago · 16 km deep · 91 km away
  16. 1.87km ENE of Brooktrails, CA · 1852 days ago · 6 km deep · 76 km away
  17. 1.64km W of Shasta Lake, CA · 1850 days ago · 19 km deep · 86 km away
  18. 1.63km SSE of Redwood Valley, CA · 1850 days ago · 6 km deep · 100 km away
  19. 1.612km ENE of Hydesville, CA · 1850 days ago · 25 km deep · 87 km away
  20. 2.422km N of Laytonville, CA · 1849 days ago · 6 km deep · 43 km away · felt by 1
  21. 2.38km NW of Laytonville, CA · 1849 days ago · 8 km deep · 55 km away
  22. 1.714km W of Redwood Valley, CA · 1849 days ago · 5 km deep · 98 km away
  23. 1.58km NNW of Laytonville, CA · 1849 days ago · 10 km deep · 54 km away
  24. 2.10km S of Palo Cedro, CA · 1848 days ago · 15 km deep · 91 km away · felt by 1
  25. 1.710km NNW of Redwood Valley, CA · 1847 days ago · 8 km deep · 88 km away
  26. 1.72km SW of Palo Cedro, CA · 1847 days ago · 14 km deep · 89 km away
  27. 1.612km SE of Petrolia, CA · 1846 days ago · 11 km deep · 88 km away
  28. 2.01km WNW of Stony Gorge Reservoir, CA · 1844 days ago · 13 km deep · 81 km away
  29. 1.714km SE of Lake Pillsbury, CA · 1843 days ago · 1 km deep · 96 km away
  30. 1.510km W of Redwood Valley, CA · 1843 days ago · 5 km deep · 98 km away
  31. 1.614km NNE of Brooktrails, CA · 1843 days ago · 8 km deep · 66 km away
  32. 1.913km W of Alder Springs, CA · 1842 days ago · 0 km deep · 59 km away
  33. 1.96km ESE of Lake Pillsbury, CA · 1842 days ago · 5 km deep · 87 km away
  34. 1.86km SE of Lake Pillsbury, CA · 1838 days ago · 2 km deep · 89 km away
  35. 2.16km SW of Laytonville, CA · 1837 days ago · 3 km deep · 63 km away
  36. 1.56km NNE of Millville, CA · 1836 days ago · 13 km deep · 99 km away
  37. 2.322km N of Lake Pillsbury, CA · 1834 days ago · 13 km deep · 61 km away · felt by 2
  38. 3.613km SE of Petrolia, CA · 1834 days ago · 12 km deep · 86 km away · felt by 12
  39. 2.713km SE of Petrolia, CA · 1832 days ago · 12 km deep · 86 km away
  40. 2.318km E of Willow Creek, CA · 1832 days ago · 25 km deep · 93 km away
  41. 1.814km SE of Lake Pillsbury, CA · 1831 days ago · 7 km deep · 96 km away
  42. 1.926km ESE of Rio Dell, CA · 1831 days ago · 20 km deep · 64 km away
  43. 1.710km NNW of Redwood Valley, CA · 1829 days ago · 6 km deep · 89 km away
  44. 2.314km SE of Rockport, CA · 1828 days ago · 0 km deep · 71 km away
  45. 2.12km NW of Bella Vista, CA · 1828 days ago · 26 km deep · 95 km away
  46. 1.74km NW of Bella Vista, CA · 1827 days ago · 27 km deep · 96 km away
  47. 2.320km ENE of Willow Creek, CA · 1825 days ago · 36 km deep · 100 km away
  48. 2.018km ESE of Willow Creek, CA · 1825 days ago · 23 km deep · 85 km away
  49. 1.84km E of Shasta, CA · 1825 days ago · 21 km deep · 79 km away
  50. 1.912km SE of Covelo, CA · 1823 days ago · -1 km deep · 49 km away
  51. 2.54km ENE of Shasta, CA · 1823 days ago · 22 km deep · 79 km away · felt by 3
  52. 2.018km E of Rio Dell, CA · 1823 days ago · 20 km deep · 73 km away
  53. 2.010km N of Lake Pillsbury, CA · 1823 days ago · 8 km deep · 74 km away
  54. 1.818km E of Rio Dell, CA · 1823 days ago · 20 km deep · 73 km away
  55. 1.612km SE of Petrolia, CA · 1822 days ago · 11 km deep · 88 km away
  56. 1.74km ENE of Shasta, CA · 1822 days ago · 21 km deep · 80 km away
  57. 1.66km NE of Willits, CA · 1821 days ago · 6 km deep · 78 km away
  58. 1.811km N of Lake Pillsbury, CA · 1819 days ago · 4 km deep · 72 km away · felt by 2
  59. 2.111km N of Lake Pillsbury, CA · 1819 days ago · 6 km deep · 73 km away
  60. 2.011km N of Lake Pillsbury, CA · 1819 days ago · 7 km deep · 73 km away

The first 60 of 73.

Before

  1. 2.432km W of Hayfork, CA · 1862 days ago · 24 km deep · 62 km away
  2. 1.67km NNW of Laytonville, CA · 1866 days ago · 8 km deep · 54 km away
  3. 1.56km ESE of Bella Vista, CA · 1866 days ago · 14 km deep · 98 km away
  4. 1.813km W of Alder Springs, CA · 1867 days ago · 2 km deep · 59 km away · felt by 1
  5. 2.112km WNW of Alder Springs, CA · 1871 days ago · 3 km deep · 58 km away
  6. 2.113km ESE of Redway, CA · 1873 days ago · 22 km deep · 46 km away
  7. 1.88km NNW of Redwood Valley, CA · 1874 days ago · 1 km deep · 90 km away
  8. 1.610km N of Lake Pillsbury, CA · 1875 days ago · 7 km deep · 74 km away · felt by 1
  9. 2.910km N of Lake Pillsbury, CA · 1875 days ago · 10 km deep · 74 km away · felt by 1
  10. 2.111km W of Alder Springs, CA · 1876 days ago · 3 km deep · 59 km away
  11. 1.710km SSE of Laytonville, CA · 1877 days ago · 6 km deep · 64 km away
  12. 2.112km W of Alder Springs, CA · 1877 days ago · 8 km deep · 58 km away
  13. 2.710km WNW of Alder Springs, CA · 1878 days ago · 3 km deep · 58 km away · felt by 1
  14. 1.912km NNW of Laytonville, CA · 1879 days ago · 8 km deep · 51 km away
  15. 1.76km E of Willits, CA · 1880 days ago · 6 km deep · 82 km away
  16. 1.710km N of Lake Pillsbury, CA · 1881 days ago · 8 km deep · 74 km away
  17. 2.012km W of Alder Springs, CA · 1882 days ago · 7 km deep · 59 km away
  18. 1.812km WNW of Alder Springs, CA · 1883 days ago · 0 km deep · 58 km away
  19. 2.411km W of Alder Springs, CA · 1883 days ago · 0 km deep · 59 km away
  20. 2.411km W of Alder Springs, CA · 1883 days ago · 7 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73617261. Read Sun, Oct 4, 2026, 8:46 AM UTC.