California earthquakes

M2.3 earthquake 3 km E of Biggs, California

A magnitude 2.3 earthquake struck 3 km E of Biggs, California on Sun, Sep 25, 1983, 1:52 PM PDT (20:52 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.8 Northern California. This one was a foreshock.

Biggs 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
2.3 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-09-25 20:52:12 UTC
Depth
4.8 km (3.0 mi), shallow
Epicenter
39.419° N, 121.668° 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 4.2 km horizontally, 21.1 km in depth
Magnitude uncertainty
±0.32
Depth from
From location
Station coverage gap
81°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 42 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.16 km E of Clearlake Oaks, California · 15713 days ago · 2 km deep · 91 km away
  2. 1.87 km E of Clearlake Oaks, California · 15713 days ago · 5 km deep · 91 km away
  3. 1.611 km WSW of Chester, California · 15705 days ago · 3 km deep · 99 km away
  4. 1.611 km WSW of Chester, California · 15704 days ago · 3 km deep · 99 km away
  5. 1.812 km WSW of Chester, California · 15704 days ago · 3 km deep · 99 km away
  6. 1.814 km WSW of Chester, California · 15704 days ago · 3 km deep · 98 km away
  7. 2.411 km S of Paynes Creek, California · 15704 days ago · 9 km deep · 93 km away
  8. 2.75 km SE of Palermo, California · 15704 days ago · 5 km deep · 15 km away
  9. 1.615 km ESE of Mineral, California · 15703 days ago · -2 km deep · 97 km away
  10. 1.813 km WSW of Chester, California · 15703 days ago · 6 km deep · 99 km away
  11. 1.611 km WSW of Chester, California · 15702 days ago · 3 km deep · 99 km away
  12. 2.43 km WNW of Dunnigan, California · 15699 days ago · 1 km deep · 65 km away
  13. 2.74 km SSE of Dunnigan, California · 15699 days ago · 0 km deep · 68 km away
  14. 1.620 km NNE of Upper Lake, CA · 15698 days ago · 4 km deep · 100 km away
  15. 2.011 km E of Lower Lake, California · 15698 days ago · 2 km deep · 90 km away
  16. 2.8Northern California · 15697 days ago · 1 km deep · 86 km away
  17. 2.112 km W of Lake Almanor West, California · 15693 days ago · 3 km deep · 93 km away
  18. 1.61 km SSE of Clearlake, California · 15690 days ago · 3 km deep · 98 km away
  19. 2.17 km NNE of Hidden Valley Lake, California · 15690 days ago · -1 km deep · 96 km away
  20. 2.515 km WSW of Lake Almanor West, California · 15688 days ago · 9 km deep · 87 km away
  21. 1.67 km ENE of Lower Lake, California · 15688 days ago · 5 km deep · 92 km away
  22. 1.613 km WSW of Lake Almanor West, California · 15688 days ago · 3 km deep · 89 km away
  23. 1.614 km N of Butte Meadows, California · 15685 days ago · 6 km deep · 89 km away
  24. 2.73 km N of Tobin, California · 15685 days ago · 0 km deep · 69 km away
  25. 2.19 km NW of Twain, California · 15685 days ago · 4 km deep · 86 km away
  26. 2.02 km N of Tobin, California · 15685 days ago · 4 km deep · 67 km away
  27. 2.54 km NW of Tobin, California · 15684 days ago · 0 km deep · 68 km away
  28. 1.98 km WNW of Twain, California · 15684 days ago · 6 km deep · 83 km away
  29. 2.47 km NNE of Hidden Valley Lake, California · 15683 days ago · -1 km deep · 96 km away
  30. 2.07 km NNE of Hidden Valley Lake, California · 15681 days ago · -1 km deep · 96 km away
  31. 2.08 km E of Oroville East, California · 15679 days ago · 8 km deep · 27 km away
  32. 2.02 km SW of Oroville East, California · 15677 days ago · 6 km deep · 17 km away
  33. 1.913 km N of Clipper Mills, California · 15677 days ago · 13 km deep · 52 km away
  34. 1.59 km NNE of Hidden Valley Lake, California · 15674 days ago · 2 km deep · 93 km away
  35. 1.54 km ESE of Clearlake Oaks, California · 15674 days ago · -1 km deep · 95 km away
  36. 1.93 km SE of South Oroville, California · 15671 days ago · 5 km deep · 14 km away
  37. 1.79 km NE of Hidden Valley Lake, California · 15670 days ago · 2 km deep · 93 km away
  38. 1.59 km NE of Butte Meadows, California · 15664 days ago · 9 km deep · 81 km away
  39. 1.73 km E of Lower Lake, California · 15660 days ago · 3 km deep · 97 km away
  40. 1.68 km ESE of Hidden Valley Lake, California · 15659 days ago · 8 km deep · 98 km away
  41. 2.319 km NNE of Upper Lake, California · 15658 days ago · 7 km deep · 97 km away
  42. 2.77 km NNW of Spring Garden, California · 15657 days ago · -1 km deep · 95 km away

Before

  1. 2.111 km NNW of Sierra City, California · 15717 days ago · 5 km deep · 87 km away
  2. 1.813 km ESE of Hidden Valley Lake, California · 15720 days ago · -1 km deep · 99 km away
  3. 2.311 km ESE of Hidden Valley Lake, California · 15722 days ago · 4 km deep · 99 km away
  4. 1.615 km NE of Clearlake, California · 15723 days ago · 2 km deep · 82 km away
  5. 1.610 km W of Lake Almanor West, California · 15725 days ago · 14 km deep · 96 km away
  6. 1.91 km NNW of Nord, California · 15725 days ago · 19 km deep · 48 km away
  7. 1.510 km ESE of Hidden Valley Lake, California · 15728 days ago · 6 km deep · 99 km away
  8. 2.63 km WNW of Dunnigan, California · 15730 days ago · 11 km deep · 65 km away
  9. 2.57 km NNE of Dunnigan, California · 15730 days ago · 2 km deep · 58 km away
  10. 2.06 km SE of College City, California · 15730 days ago · 1 km deep · 56 km away
  11. 2.311 km NE of Vina, California · 15733 days ago · -1 km deep · 70 km away
  12. 1.83 km W of Storrie, California · 15738 days ago · 10 km deep · 62 km away
  13. 2.25 km E of Lower Lake, California · 15739 days ago · 5 km deep · 94 km away
  14. 1.66 km NE of Nord, California · 15742 days ago · 20 km deep · 50 km away
  15. 2.15 km NNE of Belden, California · 15743 days ago · 4 km deep · 80 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1103612. Read Sat, Oct 3, 2026, 2:25 PM UTC.