California earthquakes

M2.5 earthquake 9km NNE of Hayfork, CA

A magnitude 2.5 earthquake struck 9km NNE of Hayfork, CA on Sun, Nov 28, 2021, 12:56 AM PST (08:56 UTC), 31 km (19 mi) below the surface.

A larger quake followed: M3.9 6km NE of Petrolia, CA. This one was a foreshock.

Hayfork 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
2.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-11-28 08:56:13 UTC
Depth
30.9 km (19.2 mi), shallow
Epicenter
40.623° N, 123.135° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

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, 0.4 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
52°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 111 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.84km N of Hydesville, CA · 1769 days ago · 19 km deep · 81 km away
  2. 2.713km SE of Petrolia, CA · 1760 days ago · 13 km deep · 96 km away · felt by 1
  3. 1.811km SSE of Blue Lake, CA · 1760 days ago · 21 km deep · 69 km away
  4. 1.71km NE of Shasta Lake, CA · 1760 days ago · 16 km deep · 66 km away
  5. 1.823km N of Shasta Lake, CA · 1759 days ago · 10 km deep · 70 km away
  6. 1.727km N of Shasta Lake, CA · 1758 days ago · 14 km deep · 72 km away
  7. 2.310km SE of Willow Creek, CA · 1757 days ago · 18 km deep · 44 km away
  8. 1.69km ENE of Petrolia, CA · 1753 days ago · 22 km deep · 93 km away
  9. 1.810km ESE of Millville, CA · 1750 days ago · 16 km deep · 90 km away
  10. 2.47km N of Petrolia, CA · 1749 days ago · 28 km deep · 100 km away
  11. 2.19km NNE of Petrolia, CA · 1749 days ago · 24 km deep · 97 km away
  12. 2.18km N of Petrolia, CA · 1749 days ago · 25 km deep · 99 km away
  13. 2.311km SW of Rio Dell, CA · 1749 days ago · 28 km deep · 93 km away
  14. 1.87km N of Petrolia, CA · 1749 days ago · 23 km deep · 100 km away
  15. 2.510km ESE of Petrolia, CA · 1749 days ago · 28 km deep · 95 km away
  16. 2.69km S of Ferndale, CA · 1749 days ago · 26 km deep · 96 km away
  17. 2.312km SW of Rio Dell, CA · 1749 days ago · 27 km deep · 94 km away
  18. 2.810km SSE of Ferndale, CA · 1749 days ago · 25 km deep · 94 km away
  19. 2.611km WSW of Rio Dell, CA · 1749 days ago · 25 km deep · 94 km away
  20. 1.86km NE of Petrolia, CA · 1749 days ago · 23 km deep · 97 km away
  21. 2.39km NNE of Petrolia, CA · 1749 days ago · 24 km deep · 98 km away
  22. 2.19km NNE of Petrolia, CA · 1748 days ago · 25 km deep · 97 km away
  23. 2.16km ENE of Petrolia, CA · 1748 days ago · 28 km deep · 97 km away
  24. 2.94km NE of Petrolia, CA · 1748 days ago · 22 km deep · 99 km away
  25. 2.59km N of Petrolia, CA · 1748 days ago · 29 km deep · 99 km away
  26. 1.88km ENE of Petrolia, CA · 1748 days ago · 30 km deep · 94 km away
  27. 3.08km SSW of Rio Dell, CA · 1748 days ago · 27 km deep · 87 km away · felt by 1
  28. 3.114km NNE of Petrolia, CA · 1748 days ago · 28 km deep · 96 km away · felt by 3
  29. 2.57km NNE of Petrolia, CA · 1748 days ago · 24 km deep · 99 km away
  30. 2.514km N of Petrolia, CA · 1748 days ago · 29 km deep · 97 km away
  31. 2.38km SSW of Ferndale, CA · 1748 days ago · 19 km deep · 99 km away
  32. 2.412km S of Ferndale, CA · 1748 days ago · 25 km deep · 98 km away
  33. 3.313km SSW of Ferndale, CA · 1748 days ago · 24 km deep · 100 km away · felt by 7
  34. 2.612km SSW of Ferndale, CA · 1748 days ago · 25 km deep · 100 km away
  35. 2.04km ENE of Petrolia, CA · 1748 days ago · 21 km deep · 99 km away
  36. 3.211km NNE of Petrolia, CA · 1748 days ago · 23 km deep · 96 km away · felt by 1
  37. 2.411km NNE of Petrolia, CA · 1748 days ago · 28 km deep · 96 km away
  38. 2.312km SW of Rio Dell, CA · 1748 days ago · 29 km deep · 94 km away
  39. 3.96km NE of Petrolia, CA · 1748 days ago · 27 km deep · 97 km away · felt by 1
  40. 1.94km NNE of Petrolia, CA · 1748 days ago · 28 km deep · 100 km away
  41. 2.410km NNE of Petrolia, CA · 1748 days ago · 24 km deep · 97 km away
  42. 2.37km NNE of Petrolia, CA · 1748 days ago · 23 km deep · 99 km away · felt by 4
  43. 2.012km S of Ferndale, CA · 1748 days ago · 24 km deep · 96 km away
  44. 2.320km NNE of Redway, CA · 1748 days ago · 26 km deep · 65 km away · felt by 3
  45. 2.011km NNE of Petrolia, CA · 1748 days ago · 28 km deep · 96 km away
  46. 2.512km SW of Rio Dell, CA · 1748 days ago · 28 km deep · 94 km away
  47. 1.920km SSE of Rio Dell, CA · 1748 days ago · 31 km deep · 84 km away
  48. 2.28km N of Petrolia, CA · 1748 days ago · 26 km deep · 100 km away
  49. 1.97km N of Petrolia, CA · 1748 days ago · 26 km deep · 100 km away
  50. 1.79km SSW of Ferndale, CA · 1748 days ago · 18 km deep · 99 km away
  51. 3.08km SSW of Ferndale, CA · 1748 days ago · 18 km deep · 99 km away · felt by 1
  52. 2.88km NNE of Petrolia, CA · 1748 days ago · 23 km deep · 98 km away
  53. 2.66km SE of Ferndale, CA · 1748 days ago · 26 km deep · 92 km away
  54. 2.28km NNE of Petrolia, CA · 1748 days ago · 25 km deep · 99 km away
  55. 2.38km NNE of Petrolia, CA · 1748 days ago · 24 km deep · 98 km away
  56. 1.820km SSE of Rio Dell, CA · 1748 days ago · 29 km deep · 84 km away
  57. 1.69km NNE of Petrolia, CA · 1748 days ago · 23 km deep · 97 km away
  58. 2.89km NNE of Petrolia, CA · 1748 days ago · 23 km deep · 97 km away
  59. 2.69km N of Petrolia, CA · 1748 days ago · 27 km deep · 99 km away
  60. 2.713km WSW of Rio Dell, CA · 1748 days ago · 27 km deep · 96 km away

The first 60 of 111.

Before

  1. 1.711km NNE of Bella Vista, CA · 1772 days ago · 10 km deep · 81 km away
  2. 2.615km SE of Petrolia, CA · 1774 days ago · 11 km deep · 96 km away · felt by 1
  3. 2.313km SE of Petrolia, CA · 1774 days ago · 12 km deep · 96 km away
  4. 2.29km ESE of Willow Creek, CA · 1774 days ago · 22 km deep · 45 km away
  5. 2.421km SSE of Willow Creek, CA · 1775 days ago · 21 km deep · 36 km away
  6. 2.36km ENE of Shasta, CA · 1776 days ago · 22 km deep · 60 km away
  7. 1.72km N of Redway, CA · 1779 days ago · 22 km deep · 79 km away
  8. 2.516km SSE of Somes Bar, CA · 1787 days ago · 38 km deep · 73 km away
  9. 2.96km NNE of Petrolia, CA · 1788 days ago · 29 km deep · 98 km away
  10. 1.62km WNW of Shasta Lake, CA · 1789 days ago · 23 km deep · 63 km away
  11. 2.86km NNE of Petrolia, CA · 1790 days ago · 27 km deep · 98 km away
  12. 1.86km NNE of Petrolia, CA · 1793 days ago · 28 km deep · 98 km away
  13. 1.812km NE of Bella Vista, CA · 1794 days ago · 7 km deep · 84 km away · felt by 1
  14. 2.511km NNE of Bella Vista, CA · 1794 days ago · 9 km deep · 82 km away · felt by 2
  15. 4.119km NW of Covelo, CA · 1795 days ago · 7 km deep · 85 km away · felt by 21
  16. 1.75km NNE of Petrolia, CA · 1796 days ago · 28 km deep · 99 km away
  17. 2.028km NE of Redway, CA · 1796 days ago · 27 km deep · 53 km away
  18. 3.06km NNE of Petrolia, CA · 1796 days ago · 30 km deep · 99 km away · felt by 10
  19. 2.66km NNE of Petrolia, CA · 1796 days ago · 28 km deep · 98 km away · felt by 2
  20. 4.45km NNE of Petrolia, CA · 1796 days ago · 30 km deep · 99 km away · felt by 114 · tsunami flag

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73659055. Read Sun, Oct 4, 2026, 8:11 AM UTC.