California earthquakes

M1.6 earthquake 31 km NW of Benton, California

A magnitude 1.6 earthquake struck 31 km NW of Benton, California on Tue, Apr 20, 1982, 8:35 AM PST (16:35 UTC), 2 km (2 mi) below the surface.

A larger quake followed: M1.8 46km WSW of Tonopah, NV. 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
1.6 (md), micro
Local time
UTC
1982-04-20 16:35:18 UTC
Depth
2.4 km (1.5 mi), shallow
Epicenter
38.040° N, 118.709° 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, 0.9 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
80°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 149 in the 60 days after this one and 36 in the 30 days before it.

After

  1. 1.846km WSW of Tonopah, NV · 16226 days ago · 4 km deep · 85 km away
  2. 3.48 km SW of Aspen Springs, California · 16224 days ago · 10 km deep · 60 km away
  3. 1.612 km WNW of Aspen Springs, California · 16223 days ago · 8 km deep · 51 km away
  4. 1.611 km NW of Aspen Springs, California · 16222 days ago · 2 km deep · 48 km away
  5. 3.35 km S of Mesa, California · 16220 days ago · 11 km deep · 75 km away
  6. 1.631 km E of Mono City, California · 16219 days ago · 0 km deep · 8 km away
  7. 3.015 km WSW of Aspen Springs, California · 16218 days ago · 10 km deep · 60 km away
  8. 1.911 km WNW of Aspen Springs, California · 16217 days ago · 8 km deep · 50 km away
  9. 2.217 km ENE of Yosemite Valley, California · 16217 days ago · 4 km deep · 65 km away
  10. 3.454km SSE of Hawthorne, NV · 16216 days ago · 4 km deep · 33 km away
  11. 2.8California-Nevada border region · 16211 days ago · 7 km deep · 55 km away
  12. 1.53 km E of Mammoth Lakes, California · 16210 days ago · 5 km deep · 48 km away
  13. 3.32 km E of Mammoth Lakes, California · 16209 days ago · 6 km deep · 48 km away
  14. 1.53 km E of Mammoth Lakes, California · 16209 days ago · 5 km deep · 48 km away
  15. 1.92 km E of Mammoth Lakes, California · 16209 days ago · 6 km deep · 48 km away
  16. 3.43 km E of Mammoth Lakes, California · 16209 days ago · 6 km deep · 48 km away
  17. 2.53 km E of Mammoth Lakes, California · 16209 days ago · 5 km deep · 48 km away
  18. 2.02 km ESE of Mammoth Lakes, California · 16209 days ago · 5 km deep · 49 km away
  19. 2.11 km ESE of Mammoth Lakes, California · 16209 days ago · 6 km deep · 49 km away
  20. 2.33 km E of Mammoth Lakes, California · 16209 days ago · 6 km deep · 48 km away
  21. 1.712 km W of Aspen Springs, California · 16209 days ago · 7 km deep · 56 km away
  22. 1.82 km E of Mammoth Lakes, California · 16209 days ago · 5 km deep · 48 km away
  23. 1.71 km ESE of Mammoth Lakes, California · 16209 days ago · 6 km deep · 49 km away
  24. 1.510 km ESE of Mammoth Lakes, California · 16209 days ago · 3 km deep · 49 km away
  25. 2.13 km E of Mammoth Lakes, California · 16208 days ago · 5 km deep · 48 km away
  26. 1.73 km ESE of Mammoth Lakes, California · 16208 days ago · 6 km deep · 49 km away
  27. 1.55 km W of Aspen Springs, California · 16208 days ago · 4 km deep · 54 km away
  28. 3.83 km E of Mammoth Lakes, California · 16208 days ago · 5 km deep · 48 km away
  29. 1.91 km WSW of Mammoth Lakes, California · 16208 days ago · 8 km deep · 51 km away
  30. 2.46 km WSW of Aspen Springs, California · 16207 days ago · 0 km deep · 56 km away
  31. 1.77 km ESE of Mammoth Lakes, California · 16207 days ago · 4 km deep · 49 km away
  32. 3.34 km E of Mammoth Lakes, California · 16207 days ago · 6 km deep · 48 km away
  33. 3.42 km E of Mammoth Lakes, California · 16207 days ago · 6 km deep · 48 km away
  34. 3.10 km SSW of Mammoth Lakes, California · 16207 days ago · 8 km deep · 50 km away
  35. 1.72 km ESE of Mammoth Lakes, California · 16207 days ago · 5 km deep · 49 km away
  36. 2.96km NNE of Mammoth Lakes, CA · 16207 days ago · 4 km deep · 44 km away
  37. 3.117 km ENE of Bridgeport, California · 16207 days ago · 8 km deep · 43 km away
  38. 1.64 km E of Mammoth Lakes, California · 16206 days ago · 4 km deep · 48 km away
  39. 2.44 km E of Mammoth Lakes, California · 16206 days ago · 3 km deep · 48 km away
  40. 3.33 km ESE of Mammoth Lakes, California · 16206 days ago · 8 km deep · 49 km away
  41. 1.68 km ENE of Mammoth Lakes, California · 16205 days ago · -2 km deep · 43 km away
  42. 3.26km NNE of Mammoth Lakes, CA · 16205 days ago · 4 km deep · 45 km away
  43. 2.17 km W of Aspen Springs, California · 16204 days ago · 4 km deep · 55 km away
  44. 2.017 km SE of Walker, California · 16203 days ago · 9 km deep · 68 km away
  45. 1.917 km SE of Walker, California · 16203 days ago · 9 km deep · 68 km away
  46. 2.217 km NW of Bridgeport, California · 16203 days ago · 5 km deep · 68 km away
  47. 2.86 km W of Aspen Springs, California · 16203 days ago · 5 km deep · 55 km away
  48. 1.660km NE of Dixon Lane-Meadow Creek, CA · 16200 days ago · 4 km deep · 73 km away
  49. 3.131km SE of Hawthorne, NV · 16199 days ago · 4 km deep · 48 km away
  50. 1.89 km ENE of Bridgeport, California · 16197 days ago · 10 km deep · 45 km away
  51. 1.616 km ESE of Yosemite Valley, California · 16197 days ago · 6 km deep · 72 km away
  52. 1.510 km WNW of Aspen Springs, California · 16196 days ago · 5 km deep · 50 km away
  53. 1.732 km NW of Benton, California · 16192 days ago · 4 km deep · 2 km away
  54. 1.513 km WSW of Walker, California · 16190 days ago · 5 km deep · 93 km away
  55. 2.210 km ESE of Mammoth Lakes, California · 16189 days ago · 4 km deep · 48 km away
  56. 1.815 km SW of Aspen Springs, California · 16189 days ago · 4 km deep · 65 km away
  57. 2.411 km WNW of Aspen Springs, California · 16188 days ago · 9 km deep · 50 km away
  58. 3.410 km WNW of Aspen Springs, California · 16188 days ago · 3 km deep · 53 km away
  59. 1.9California-Nevada border region · 16188 days ago · 3 km deep · 53 km away
  60. 3.646km S of Hawthorne, NV · 16188 days ago · 4 km deep · 13 km away

The first 60 of 149.

Before

  1. 2.911 km ESE of Mammoth Lakes, California · 16229 days ago · 1 km deep · 51 km away
  2. 4.524 km N of Benton, California · 16230 days ago · 20 km deep · 18 km away
  3. 2.58 km S of Mammoth Lakes, California · 16231 days ago · 4 km deep · 57 km away
  4. 2.37 km S of Mammoth Lakes, California · 16232 days ago · 6 km deep · 56 km away
  5. 2.42 km SE of Mammoth Lakes, California · 16233 days ago · 5 km deep · 50 km away
  6. 2.39 km W of Mammoth Lakes, California · 16233 days ago · 5 km deep · 54 km away
  7. 1.99 km S of Mammoth Lakes, California · 16233 days ago · 4 km deep · 58 km away
  8. 2.410 km WSW of Mammoth Lakes, California · 16234 days ago · 23 km deep · 57 km away
  9. 2.86 km WSW of Mammoth Lakes, California · 16234 days ago · 24 km deep · 55 km away
  10. 1.87 km W of Mammoth Lakes, California · 16234 days ago · 6 km deep · 53 km away
  11. 2.516 km SSW of Mammoth Lakes, California · 16234 days ago · 41 km deep · 66 km away
  12. 2.79 km WSW of Mammoth Lakes, California · 16234 days ago · 28 km deep · 57 km away
  13. 2.59 km NNE of Wawona, California · 16234 days ago · 5 km deep · 92 km away
  14. 2.39 km E of Mammoth Lakes, California · 16234 days ago · 5 km deep · 46 km away
  15. 2.79 km WSW of Mammoth Lakes, California · 16234 days ago · 19 km deep · 56 km away
  16. 2.57 km W of Mammoth Lakes, California · 16234 days ago · 4 km deep · 53 km away
  17. 2.911 km WSW of Mammoth Lakes, California · 16234 days ago · 28 km deep · 57 km away
  18. 2.923 km S of Mammoth Lakes, California · 16235 days ago · 43 km deep · 70 km away
  19. 3.211 km ESE of Mammoth Lakes, California · 16237 days ago · 2 km deep · 51 km away
  20. 3.26 km SSW of Mammoth Lakes, California · 16241 days ago · 0 km deep · 56 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1073835. Read Tue, Sep 22, 2026, 9:10 AM UTC.