California earthquakes

M2.8 earthquake 11 km S of Trinity Center, California

A magnitude 2.8 earthquake struck 11 km S of Trinity Center, California on Sun, Apr 29, 1984, 1:23 AM PST (09:23 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M2.8 29 km SE of Ruth, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-04-29 09:23:10 UTC
Depth
3.9 km (2.4 mi), shallow
Epicenter
40.882° N, 122.674° 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 5.4 km horizontally, 19.3 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
178°
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 38 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 1.715 km SSW of Burney, California · 15497 days ago · 1 km deep · 79 km away
  2. 1.913 km SW of Shasta, California · 15495 days ago · 17 km deep · 41 km away
  3. 2.63 km ENE of Anderson, California · 15495 days ago · 15 km deep · 58 km away
  4. 2.79 km SSW of Lakehead, California · 15495 days ago · 82 km deep · 22 km away
  5. 2.114 km E of Cottonwood, California · 15492 days ago · 10 km deep · 73 km away
  6. 1.522 km WSW of Old Station, California · 15492 days ago · 6 km deep · 88 km away
  7. 1.618 km SE of Round Mountain, California · 15489 days ago · 3 km deep · 78 km away
  8. 1.720 km ENE of Shingletown, California · 15484 days ago · 9 km deep · 93 km away
  9. 1.820 km ENE of Shingletown, California · 15483 days ago · 10 km deep · 93 km away
  10. 2.020 km ENE of Shingletown, California · 15483 days ago · 11 km deep · 93 km away
  11. 2.520 km ENE of Shingletown, California · 15482 days ago · 10 km deep · 93 km away
  12. 2.20 km WNW of Montgomery Creek, California · 15481 days ago · 4 km deep · 62 km away
  13. 2.020 km ENE of Shingletown, California · 15480 days ago · 9 km deep · 93 km away
  14. 2.829 km SE of Ruth, California · 15480 days ago · 38 km deep · 93 km away
  15. 1.519 km NW of Mad River, California · 15477 days ago · 25 km deep · 92 km away
  16. 2.07 km E of Trinity Village, California · 15477 days ago · 21 km deep · 64 km away
  17. 2.26 km S of Red Bluff, California · 15472 days ago · 32 km deep · 92 km away
  18. 2.26 km SE of Redding, California · 15471 days ago · 17 km deep · 47 km away
  19. 2.26 km ESE of Redding, California · 15471 days ago · 18 km deep · 47 km away
  20. 2.2Northern California · 15470 days ago · 20 km deep · 47 km away
  21. 1.815 km NNE of McCloud, California · 15470 days ago · 3 km deep · 76 km away
  22. 1.618 km NE of Shingletown, California · 15469 days ago · 11 km deep · 83 km away
  23. 1.64 km W of Palo Cedro, California · 15469 days ago · 4 km deep · 48 km away
  24. 2.630 km NNE of Trinity Village, California · 15466 days ago · 37 km deep · 62 km away
  25. 1.614 km NNE of Lakehead, California · 15466 days ago · 3 km deep · 32 km away
  26. 1.811 km SW of Shasta, California · 15464 days ago · 7 km deep · 42 km away
  27. 1.914 km WSW of Lakehead, California · 15462 days ago · 10 km deep · 12 km away
  28. 2.117 km N of Shingletown, California · 15460 days ago · 15 km deep · 72 km away
  29. 1.917 km WSW of Big Bend, California · 15458 days ago · 21 km deep · 49 km away
  30. 1.919 km ESE of Lakehead, California · 15458 days ago · 7 km deep · 43 km away
  31. 2.215 km SE of Ruth, California · 15457 days ago · 32 km deep · 90 km away
  32. 1.64 km SW of Dunsmuir, California · 15454 days ago · 10 km deep · 45 km away
  33. 2.47 km NNE of Hayfork, California · 15447 days ago · 36 km deep · 49 km away
  34. 1.516 km WSW of Lakehead, California · 15445 days ago · 4 km deep · 11 km away
  35. 1.910 km ESE of Lakehead, California · 15445 days ago · 4 km deep · 34 km away
  36. 1.619 km N of Big Bend, California · 15444 days ago · 3 km deep · 73 km away
  37. 2.012 km W of Dunsmuir, California · 15440 days ago · 15 km deep · 44 km away
  38. 2.38 km NW of Old Station, California · 15440 days ago · 3 km deep · 100 km away

Before

  1. 1.817 km SSW of Burney, California · 15498 days ago · 2 km deep · 82 km away
  2. 1.720 km SE of Round Mountain, California · 15501 days ago · 4 km deep · 81 km away
  3. 1.91 km NNW of Carrick, California · 15505 days ago · 6 km deep · 69 km away
  4. 1.75 km NNE of Dunsmuir, California · 15505 days ago · 2 km deep · 54 km away
  5. 1.50 km NE of Shasta Lake, California · 15507 days ago · 18 km deep · 34 km away
  6. 1.58 km SW of Trinity Village, California · 15507 days ago · 4 km deep · 78 km away
  7. 2.119 km NW of Paskenta, California · 15510 days ago · 8 km deep · 97 km away
  8. 3.122 km NNW of Willow Creek, California · 15510 days ago · 32 km deep · 90 km away
  9. 1.815 km NNE of Shingletown, California · 15511 days ago · 11 km deep · 75 km away
  10. 1.916 km S of Round Mountain, California · 15513 days ago · 17 km deep · 68 km away
  11. 1.718 km N of Weaverville, California · 15515 days ago · 4 km deep · 22 km away
  12. 2.68 km ENE of French Gulch, California · 15516 days ago · 4 km deep · 20 km away
  13. 1.64 km N of Lakehead, California · 15516 days ago · 10 km deep · 26 km away
  14. 1.612 km N of McCloud, California · 15518 days ago · 12 km deep · 71 km away
  15. 1.79 km S of Hyampom, California · 15520 days ago · 4 km deep · 75 km away
  16. 1.64 km NW of Montgomery Creek, California · 15520 days ago · 7 km deep · 60 km away
  17. 1.65 km ESE of Big Bend, California · 15521 days ago · 4 km deep · 71 km away
  18. 1.711 km N of McCloud, California · 15523 days ago · 8 km deep · 70 km away
  19. 1.69 km W of Lakehead, California · 15523 days ago · 4 km deep · 15 km away
  20. 1.611 km SE of Hyampom, California · 15523 days ago · 22 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc17199. Read Sat, Oct 3, 2026, 9:18 AM UTC.