California earthquakes

M1.6 earthquake 4 km NW of Round Valley, California

A magnitude 1.6 earthquake struck 4 km NW of Round Valley, California on Sat, Feb 9, 1985, 6:46 PM PST (02:46 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M2.4 10 km W of Aspen Springs, 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
1.6 (md), micro
Local time
UTC
1985-02-10 02:46:25 UTC
Depth
10.7 km (6.7 mi), shallow
Epicenter
37.444° N, 118.633° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
62°
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. 2.410 km W of Aspen Springs, California · 15174 days ago · 6 km deep · 21 km away
  2. 1.75 km ESE of Swall Meadows, California · 15174 days ago · 5 km deep · 6 km away
  3. 1.55 km NNW of Round Valley, California · 15174 days ago · 7 km deep · 2 km away
  4. 2.68 km ESE of Mammoth Lakes, California · 15173 days ago · 1 km deep · 29 km away
  5. 1.90 km NE of Round Valley, California · 15173 days ago · 6 km deep · 5 km away
  6. 1.616 km S of Mammoth Lakes, California · 15173 days ago · 4 km deep · 32 km away
  7. 1.63 km SSE of Swall Meadows, California · 15172 days ago · 8 km deep · 4 km away
  8. 1.911 km NW of Aspen Springs, California · 15172 days ago · 8 km deep · 25 km away
  9. 2.811 km NW of Aspen Springs, California · 15172 days ago · 8 km deep · 25 km away
  10. 1.510 km NW of Aspen Springs, California · 15172 days ago · 8 km deep · 24 km away
  11. 2.011 km NW of Aspen Springs, California · 15172 days ago · 8 km deep · 25 km away
  12. 1.64 km N of Round Valley, California · 15172 days ago · 6 km deep · 4 km away
  13. 1.930 km ENE of Mono City, California · 15172 days ago · 8 km deep · 81 km away
  14. 1.89 km WNW of Aspen Springs, California · 15171 days ago · 4 km deep · 22 km away
  15. 1.611 km SW of Aspen Springs, California · 15171 days ago · 7 km deep · 16 km away
  16. 1.5California-Nevada border region · 15171 days ago · 9 km deep · 3 km away
  17. 1.65 km WSW of Aspen Springs, California · 15171 days ago · 2 km deep · 15 km away
  18. 1.74 km WSW of Aspen Springs, California · 15171 days ago · 3 km deep · 16 km away
  19. 2.431 km ENE of Lee Vining, California · 15171 days ago · 4 km deep · 67 km away
  20. 1.75 km SSW of Swall Meadows, California · 15171 days ago · 3 km deep · 2 km away
  21. 1.64 km N of Round Valley, California · 15171 days ago · 7 km deep · 5 km away
  22. 1.727 km ENE of Lee Vining, California · 15170 days ago · 6 km deep · 68 km away
  23. 2.94 km S of Swall Meadows, California · 15170 days ago · 3 km deep · 3 km away
  24. 2.112 km WSW of Round Valley, California · 15170 days ago · 4 km deep · 11 km away
  25. 2.23 km WSW of Aspen Springs, California · 15169 days ago · 3 km deep · 15 km away
  26. 1.62 km S of Swall Meadows, California · 15169 days ago · 6 km deep · 5 km away
  27. 1.630 km E of Lee Vining, California · 15169 days ago · 8 km deep · 62 km away
  28. 1.57 km ESE of Swall Meadows, California · 15168 days ago · 5 km deep · 8 km away
  29. 1.61 km N of Round Valley, California · 15168 days ago · 10 km deep · 4 km away
  30. 1.612 km SE of Mammoth Lakes, California · 15168 days ago · 3 km deep · 25 km away
  31. 1.86 km S of Aspen Springs, California · 15167 days ago · 1 km deep · 10 km away
  32. 1.62 km N of Round Valley, California · 15167 days ago · 9 km deep · 4 km away
  33. 1.92 km S of Swall Meadows, California · 15167 days ago · 8 km deep · 5 km away
  34. 1.930 km ENE of Mono City, California · 15167 days ago · 7 km deep · 81 km away
  35. 1.531 km NW of Benton, California · 15167 days ago · -1 km deep · 63 km away
  36. 2.749km NE of Mammoth Lakes, CA · 15166 days ago · 6 km deep · 56 km away
  37. 2.34 km SE of Mammoth Lakes, California · 15166 days ago · 3 km deep · 33 km away
  38. 2.015 km WSW of Aspen Springs, California · 15166 days ago · 5 km deep · 22 km away
  39. 1.515 km WSW of Aspen Springs, California · 15166 days ago · 5 km deep · 22 km away
  40. 2.011 km E of Mammoth Lakes, California · 15165 days ago · 5 km deep · 29 km away
  41. 1.63 km NNW of Round Valley, California · 15165 days ago · 9 km deep · 3 km away
  42. 1.95 km W of Aspen Springs, California · 15164 days ago · 0 km deep · 18 km away
  43. 2.12 km ESE of Mammoth Lakes, California · 15164 days ago · 6 km deep · 35 km away
  44. 3.011 km W of Aspen Springs, California · 15164 days ago · 8 km deep · 23 km away
  45. 1.69 km WSW of Round Valley, California · 15164 days ago · 10 km deep · 8 km away
  46. 1.69 km WSW of Round Valley, California · 15164 days ago · 11 km deep · 8 km away
  47. 1.611 km W of Aspen Springs, California · 15163 days ago · 8 km deep · 23 km away
  48. 1.67 km WSW of Aspen Springs, California · 15163 days ago · 4 km deep · 17 km away
  49. 3.910 km WNW of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  50. 2.010 km WNW of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  51. 2.010 km WNW of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  52. 1.710 km W of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  53. 1.510 km W of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  54. 1.730 km ENE of Mono City, California · 15163 days ago · 7 km deep · 81 km away
  55. 1.77 km E of Sunny Slopes, California · 15163 days ago · 39 km deep · 16 km away
  56. 1.910 km WNW of Aspen Springs, California · 15163 days ago · 6 km deep · 23 km away
  57. 1.710 km W of Aspen Springs, California · 15163 days ago · 5 km deep · 23 km away
  58. 3.07 km E of Swall Meadows, California · 15162 days ago · 11 km deep · 10 km away
  59. 1.610 km NW of Aspen Springs, California · 15162 days ago · 8 km deep · 25 km away
  60. 1.76 km E of Swall Meadows, California · 15162 days ago · 5 km deep · 8 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc40548. Read Tue, Sep 22, 2026, 9:41 PM UTC.