California earthquakes

M2.2 earthquake 10 km N of Benton, California

A magnitude 2.2 earthquake struck 10 km N of Benton, California on Sun, Sep 30, 1984, 12:03 PM PDT (19:03 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.9 7 km SSW of Swall Meadows, 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
2.2 (md), micro
Local time
UTC
1984-09-30 19:03:09 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
37.918° N, 118.476° 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
±0.22
Depth from
From location
Station coverage gap
104°
Stations used
31

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.61 km W of Round Valley, California · 15274 days ago · 3 km deep · 57 km away
  2. 1.52 km WNW of Round Valley, California · 15274 days ago · 8 km deep · 56 km away
  3. 2.17 km SSW of Swall Meadows, California · 15274 days ago · 6 km deep · 55 km away
  4. 1.80 km NW of Round Valley, California · 15274 days ago · 5 km deep · 56 km away
  5. 2.97 km SSW of Swall Meadows, California · 15274 days ago · 2 km deep · 56 km away
  6. 2.25 km SSW of Swall Meadows, California · 15274 days ago · 5 km deep · 54 km away
  7. 1.55 km SSW of Swall Meadows, California · 15274 days ago · 6 km deep · 53 km away
  8. 1.60 km NE of Round Valley, California · 15274 days ago · 6 km deep · 56 km away
  9. 2.55 km N of Round Valley, California · 15274 days ago · 4 km deep · 51 km away
  10. 1.54 km NW of Round Valley, California · 15274 days ago · 4 km deep · 54 km away
  11. 2.03 km NNW of Round Valley, California · 15274 days ago · 6 km deep · 53 km away
  12. 3.15 km SSW of Swall Meadows, California · 15274 days ago · 4 km deep · 54 km away
  13. 2.27 km SSW of Swall Meadows, California · 15274 days ago · 1 km deep · 55 km away
  14. 2.07 km SSW of Swall Meadows, California · 15274 days ago · 0 km deep · 56 km away
  15. 3.25 km WNW of Round Valley, California · 15274 days ago · 3 km deep · 55 km away
  16. 2.15 km NW of Round Valley, California · 15274 days ago · 5 km deep · 54 km away
  17. 1.55 km NW of Round Valley, California · 15274 days ago · 6 km deep · 54 km away
  18. 1.62 km NNW of Round Valley, California · 15274 days ago · 11 km deep · 54 km away
  19. 2.24 km NNW of Round Valley, California · 15274 days ago · 4 km deep · 52 km away
  20. 1.62 km N of Round Valley, California · 15274 days ago · 3 km deep · 54 km away
  21. 2.35 km S of Swall Meadows, California · 15274 days ago · 5 km deep · 54 km away
  22. 1.85 km W of Round Valley, California · 15274 days ago · 4 km deep · 57 km away
  23. 3.42 km NNE of Round Valley, California · 15274 days ago · 12 km deep · 54 km away
  24. 1.63 km N of Round Valley, California · 15274 days ago · 11 km deep · 53 km away
  25. 1.91 km N of Round Valley, California · 15274 days ago · 12 km deep · 55 km away
  26. 1.94 km NW of Round Valley, California · 15274 days ago · 6 km deep · 54 km away
  27. 1.84 km WNW of Round Valley, California · 15274 days ago · 5 km deep · 55 km away
  28. 2.24 km WNW of Round Valley, California · 15274 days ago · 4 km deep · 55 km away
  29. 1.72 km NNW of Round Valley, California · 15274 days ago · 7 km deep · 55 km away
  30. 3.64 km N of Round Valley, California · 15274 days ago · 12 km deep · 52 km away
  31. 2.14 km N of Round Valley, California · 15274 days ago · 13 km deep · 52 km away
  32. 2.74 km N of Round Valley, California · 15274 days ago · 12 km deep · 52 km away
  33. 2.30 km SSW of Round Valley, California · 15274 days ago · 6 km deep · 57 km away
  34. 1.63 km N of Round Valley, California · 15274 days ago · 18 km deep · 53 km away
  35. 2.34 km N of Round Valley, California · 15274 days ago · 12 km deep · 52 km away
  36. 1.55 km E of Swall Meadows, California · 15274 days ago · 4 km deep · 47 km away
  37. 1.64 km N of Round Valley, California · 15274 days ago · 12 km deep · 52 km away
  38. 1.94 km NNW of Round Valley, California · 15274 days ago · 12 km deep · 52 km away
  39. 2.15 km N of Round Valley, California · 15274 days ago · 7 km deep · 51 km away
  40. 2.95 km WNW of Round Valley, California · 15274 days ago · 5 km deep · 55 km away
  41. 1.65 km S of Swall Meadows, California · 15274 days ago · 7 km deep · 53 km away
  42. 2.04 km N of Round Valley, California · 15274 days ago · 13 km deep · 52 km away
  43. 2.54 km WNW of Round Valley, California · 15274 days ago · 6 km deep · 55 km away
  44. 2.45 km SSW of Swall Meadows, California · 15274 days ago · 6 km deep · 54 km away
  45. 1.83 km W of Round Valley, California · 15274 days ago · 11 km deep · 57 km away
  46. 3.05 km SSW of Swall Meadows, California · 15274 days ago · 5 km deep · 54 km away
  47. 2.03 km WNW of Round Valley, California · 15274 days ago · 5 km deep · 55 km away
  48. 2.53 km NNE of Round Valley, California · 15274 days ago · 10 km deep · 53 km away
  49. 2.36 km WNW of Round Valley, California · 15274 days ago · 3 km deep · 55 km away
  50. 1.76 km SSW of Swall Meadows, California · 15273 days ago · 3 km deep · 55 km away
  51. 1.63 km NW of Round Valley, California · 15273 days ago · 9 km deep · 54 km away
  52. 2.66 km SSW of Swall Meadows, California · 15273 days ago · 3 km deep · 55 km away
  53. 2.05 km NNE of Round Valley, California · 15273 days ago · 5 km deep · 51 km away
  54. 1.77 km ESE of Swall Meadows, California · 15273 days ago · 4 km deep · 48 km away
  55. 1.53 km W of Round Valley, California · 15273 days ago · 4 km deep · 56 km away
  56. 2.66 km ESE of Swall Meadows, California · 15273 days ago · 3 km deep · 48 km away
  57. 2.35 km NW of Round Valley, California · 15273 days ago · 5 km deep · 54 km away
  58. 2.54 km NW of Round Valley, California · 15273 days ago · 6 km deep · 53 km away
  59. 1.85 km SSW of Swall Meadows, California · 15273 days ago · 4 km deep · 54 km away
  60. 2.60 km NNE of Round Valley, California · 15273 days ago · 6 km deep · 56 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc28987. Read Tue, Sep 22, 2026, 10:25 AM UTC.