California earthquakes

M1.8 earthquake 4 km NNW of Round Valley, California

A magnitude 1.8 earthquake struck 4 km NNW of Round Valley, California on Wed, Jan 23, 1985, 10:42 PM PST (06:42 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M1.8 3 km SSE of Round Valley, 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
1.8 (md), micro
Local time
UTC
1985-01-24 06:42:08 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
37.457° N, 118.615° 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
±0.18
Depth from
From location
Station coverage gap
54°
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. 1.57 km E of Big Pine, California · 15201 days ago · 5 km deep · 49 km away
  2. 1.83 km SSE of Round Valley, California · 15201 days ago · 3 km deep · 8 km away
  3. 2.54 km WNW of Round Valley, California · 15201 days ago · 11 km deep · 2 km away
  4. 2.03 km WNW of Round Valley, California · 15200 days ago · 4 km deep · 2 km away
  5. 1.62 km E of Mammoth Lakes, California · 15200 days ago · 3 km deep · 36 km away
  6. 1.62 km E of Mammoth Lakes, California · 15200 days ago · 3 km deep · 36 km away
  7. 1.61 km SSW of Mammoth Lakes, California · 15200 days ago · 5 km deep · 38 km away
  8. 1.612 km SW of Aspen Springs, California · 15200 days ago · 11 km deep · 17 km away
  9. 1.913 km W of Aspen Springs, California · 15200 days ago · 5 km deep · 24 km away
  10. 2.26 km N of Round Valley, California · 15199 days ago · 5 km deep · 4 km away
  11. 1.64 km NW of Round Valley, California · 15199 days ago · 11 km deep · 2 km away
  12. 2.64 km NNW of Round Valley, California · 15198 days ago · 6 km deep · 0 km away
  13. 1.611 km SW of Aspen Springs, California · 15198 days ago · 11 km deep · 18 km away
  14. 1.95 km SSW of Swall Meadows, California · 15198 days ago · 3 km deep · 4 km away
  15. 1.55 km N of Round Valley, California · 15198 days ago · 8 km deep · 3 km away
  16. 2.67 km ESE of Mammoth Lakes, California · 15197 days ago · 4 km deep · 31 km away
  17. 1.730 km ENE of Mono City, California · 15197 days ago · 7 km deep · 80 km away
  18. 1.96 km E of Swall Meadows, California · 15196 days ago · 4 km deep · 6 km away
  19. 1.76 km E of Swall Meadows, California · 15196 days ago · 4 km deep · 7 km away
  20. 2.011 km E of Mammoth Lakes, California · 15196 days ago · 5 km deep · 29 km away
  21. 1.75 km N of Round Valley, California · 15196 days ago · 8 km deep · 3 km away
  22. 1.85 km N of Round Valley, California · 15196 days ago · 7 km deep · 3 km away
  23. 1.914 km WSW of Aspen Springs, California · 15195 days ago · 3 km deep · 23 km away
  24. 1.64 km SSW of Swall Meadows, California · 15195 days ago · 3 km deep · 3 km away
  25. 1.913 km W of Aspen Springs, California · 15195 days ago · 4 km deep · 25 km away
  26. 1.712 km W of Aspen Springs, California · 15195 days ago · 7 km deep · 24 km away
  27. 1.510 km ESE of Mammoth Lakes, California · 15194 days ago · 2 km deep · 28 km away
  28. 1.68 km SW of Swall Meadows, California · 15194 days ago · 1 km deep · 9 km away
  29. 1.614 km NNW of Sunny Slopes, California · 15194 days ago · 22 km deep · 28 km away
  30. 2.010 km SW of Aspen Springs, California · 15194 days ago · 2 km deep · 17 km away
  31. 1.63 km NNW of Mesa, California · 15194 days ago · 12 km deep · 5 km away
  32. 3.12 km W of Round Valley, California · 15193 days ago · 11 km deep · 5 km away
  33. 1.72 km NW of Round Valley, California · 15193 days ago · 10 km deep · 3 km away
  34. 1.75 km N of Round Valley, California · 15193 days ago · 5 km deep · 3 km away
  35. 2.13 km WNW of Round Valley, California · 15193 days ago · 11 km deep · 3 km away
  36. 1.64 km SSW of Aspen Springs, California · 15193 days ago · 4 km deep · 12 km away
  37. 2.022 km S of Mammoth Lakes, California · 15192 days ago · 2 km deep · 34 km away
  38. 2.25 km NNW of Round Valley, California · 15192 days ago · 8 km deep · 0 km away
  39. 1.65 km N of Round Valley, California · 15191 days ago · 6 km deep · 3 km away
  40. 2.84 km WNW of Round Valley, California · 15191 days ago · 3 km deep · 3 km away
  41. 1.75 km NW of Dixon Lane-Meadow Creek, California · 15191 days ago · 5 km deep · 14 km away
  42. 2.53 km N of Wilkerson, California · 15191 days ago · 11 km deep · 26 km away
  43. 1.77 km ESE of Mono City, California · 15191 days ago · 9 km deep · 74 km away
  44. 1.911 km SW of Aspen Springs, California · 15190 days ago · 6 km deep · 17 km away
  45. 2.025 km ENE of Mono City, California · 15190 days ago · 9 km deep · 77 km away
  46. 1.523 km S of Mammoth Lakes, California · 15190 days ago · 2 km deep · 35 km away
  47. 1.62 km WNW of Round Valley, California · 15190 days ago · 5 km deep · 3 km away
  48. 2.26 km E of Swall Meadows, California · 15189 days ago · 4 km deep · 7 km away
  49. 1.78 km SW of Swall Meadows, California · 15189 days ago · 1 km deep · 8 km away
  50. 2.510 km E of Bass Lake, California · 15188 days ago · 31 km deep · 75 km away
  51. 2.14 km SSE of Swall Meadows, California · 15188 days ago · 7 km deep · 1 km away
  52. 1.611 km NW of Aspen Springs, California · 15188 days ago · 2 km deep · 25 km away
  53. 1.85 km S of Mammoth Lakes, California · 15188 days ago · 3 km deep · 36 km away
  54. 1.68 km SSW of Swall Meadows, California · 15188 days ago · 2 km deep · 7 km away
  55. 1.811 km W of Aspen Springs, California · 15188 days ago · 3 km deep · 24 km away
  56. 2.16 km ESE of Swall Meadows, California · 15188 days ago · 5 km deep · 4 km away
  57. 2.36 km ESE of Swall Meadows, California · 15188 days ago · 4 km deep · 4 km away
  58. 1.830 km NW of Benton, California · 15188 days ago · 3 km deep · 62 km away
  59. 2.55 km E of Mammoth Lakes, California · 15188 days ago · 5 km deep · 33 km away
  60. 1.8California-Nevada border region · 15188 days ago · 5 km deep · 33 km away

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc38515. Read Tue, Sep 22, 2026, 11:20 AM UTC.