California earthquakes

M2.7 earthquake 17 km WNW of McArthur, California

A magnitude 2.7 earthquake struck 17 km WNW of McArthur, California on Fri, Oct 1, 1982, 2:06 AM PDT (09:06 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.7 1 km SW of Lakehead, 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
2.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1982-10-01 09:06:51 UTC
Depth
3.0 km (1.9 mi), shallow
Epicenter
41.126° N, 121.580° 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 1.1 km horizontally, 8.4 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
179°
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: 37 in the 60 days after this one and 21 in the 30 days before it.

After

  1. 2.15 km SW of Chester, California · 16072 days ago · 3 km deep · 98 km away
  2. 1.713 km NNE of Mineral, California · 16070 days ago · 2 km deep · 75 km away
  3. 1.515 km NNE of Mineral, California · 16069 days ago · 2 km deep · 73 km away
  4. 2.115 km NE of Mineral, California · 16068 days ago · 3 km deep · 75 km away
  5. 1.816 km NNW of Chester, California · 16064 days ago · -1 km deep · 79 km away
  6. 2.110 km NNE of McCloud, California · 16064 days ago · 0 km deep · 50 km away
  7. 1.83 km S of Chester, California · 16059 days ago · 3 km deep · 99 km away
  8. 1.917 km NE of Carrick, California · 16059 days ago · 1 km deep · 69 km away
  9. 2.617 km NW of McArthur, California · 16059 days ago · 4 km deep · 3 km away
  10. 1.91 km SSE of Chester, California · 16058 days ago · 3 km deep · 97 km away
  11. 2.013 km W of Chester, California · 16058 days ago · 7 km deep · 94 km away
  12. 1.715 km ESE of Mineral, California · 16058 days ago · 3 km deep · 94 km away
  13. 1.914 km W of Chester, California · 16058 days ago · 3 km deep · 93 km away
  14. 1.913 km W of Chester, California · 16057 days ago · 6 km deep · 95 km away
  15. 1.515 km ESE of Mineral, California · 16056 days ago · 13 km deep · 92 km away
  16. 2.213 km W of Chester, California · 16056 days ago · 9 km deep · 95 km away
  17. 2.313 km W of Chester, California · 16056 days ago · 10 km deep · 94 km away
  18. 1.513 km W of Chester, California · 16056 days ago · 8 km deep · 92 km away
  19. 1.57 km WSW of Lakehead, California · 16055 days ago · 4 km deep · 79 km away
  20. 1.913 km W of Chester, California · 16052 days ago · 8 km deep · 94 km away
  21. 1.9Northern California · 16052 days ago · 6 km deep · 92 km away
  22. 2.315 km W of Chester, California · 16052 days ago · 11 km deep · 93 km away
  23. 2.23 km SSW of Chester, California · 16048 days ago · -2 km deep · 99 km away
  24. 1.910 km ENE of Mount Shasta, California · 16048 days ago · 5 km deep · 57 km away
  25. 2.214 km NNE of Mineral, California · 16044 days ago · 2 km deep · 73 km away
  26. 1.914 km NNE of Mineral, California · 16044 days ago · 1 km deep · 73 km away
  27. 2.111 km SE of Big Bend, California · 16043 days ago · 3 km deep · 27 km away
  28. 1.912 km E of Cottonwood, California · 16042 days ago · 19 km deep · 95 km away
  29. 2.54 km SW of Lakehead, California · 16036 days ago · 2 km deep · 75 km away
  30. 2.71 km SW of Lakehead, California · 16036 days ago · 11 km deep · 73 km away
  31. 1.516 km NNE of Mineral, California · 16035 days ago · 1 km deep · 73 km away
  32. 2.016 km NNE of Mineral, California · 16035 days ago · 1 km deep · 73 km away
  33. 1.816 km NNE of Mineral, California · 16035 days ago · 1 km deep · 73 km away
  34. 2.530 km ESE of Tennant, California · 16035 days ago · 4 km deep · 35 km away
  35. 1.921 km S of Burney, California · 16034 days ago · 3 km deep · 49 km away
  36. 1.924 km E of Hat Creek, California · 16031 days ago · 7 km deep · 43 km away
  37. 2.712 km NE of Bend, California · 16015 days ago · -1 km deep · 98 km away

Before

  1. 1.713 km W of Chester, California · 16079 days ago · 9 km deep · 95 km away
  2. 1.513 km W of Chester, California · 16079 days ago · 3 km deep · 93 km away
  3. 1.613 km W of Chester, California · 16080 days ago · 11 km deep · 94 km away
  4. 2.04 km S of Mineral, CA · 16081 days ago · 5 km deep · 91 km away
  5. 1.814 km W of Chester, California · 16081 days ago · 3 km deep · 94 km away
  6. 1.712 km WSW of Chester, California · 16081 days ago · 3 km deep · 95 km away
  7. 1.913 km W of Chester, California · 16081 days ago · 3 km deep · 94 km away
  8. 2.812 km W of Chester, California · 16081 days ago · 10 km deep · 94 km away
  9. 1.713 km S of Old Station, California · 16083 days ago · 3 km deep · 65 km away
  10. 2.128 km E of Tennant, California · 16086 days ago · -1 km deep · 52 km away
  11. 2.220 km ENE of Shingletown, California · 16090 days ago · 4 km deep · 65 km away
  12. 2.026 km E of Tennant, California · 16092 days ago · 1 km deep · 49 km away
  13. 1.53 km ESE of Paynes Creek, California · 16092 days ago · 0 km deep · 92 km away
  14. 2.59 km W of Old Station, California · 16093 days ago · 3 km deep · 50 km away
  15. 1.715 km SW of Old Station, California · 16094 days ago · 2 km deep · 59 km away
  16. 2.210 km W of Old Station, California · 16096 days ago · 0 km deep · 50 km away
  17. 1.721 km N of Mineral, California · 16097 days ago · 11 km deep · 66 km away
  18. 1.88 km W of Old Station, California · 16097 days ago · 3 km deep · 51 km away
  19. 2.08 km W of Old Station, California · 16097 days ago · 2 km deep · 51 km away
  20. 1.98 km W of Old Station, California · 16098 days ago · 4 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1079796. Read Fri, Oct 2, 2026, 8:22 PM UTC.