California earthquakes

M2.2 earthquake 2 km NW of Round Valley, California

A magnitude 2.2 earthquake struck 2 km NW of Round Valley, California on Sun, May 12, 1985, 12:45 AM PDT (07:45 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.7 7 km NNW of Mesa, 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, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1985-05-12 07:45:58 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
37.431° N, 118.608° 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
±0.21
Depth from
From location
Station coverage gap
70°
Stations used
38

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 170 in the 30 days before it.

After

  1. 2.331 km NW of Benton, California · 15118 days ago · 1 km deep · 67 km away
  2. 3.77 km NNW of Mesa, California · 15118 days ago · 7 km deep · 7 km away
  3. 1.67 km N of Mesa, California · 15118 days ago · 7 km deep · 7 km away
  4. 1.57 km N of Mesa, California · 15118 days ago · 7 km deep · 7 km away
  5. 1.65 km SSE of Swall Meadows, California · 15117 days ago · 6 km deep · 4 km away
  6. 2.36 km E of Swall Meadows, California · 15117 days ago · 5 km deep · 8 km away
  7. 1.87 km N of Mesa, California · 15116 days ago · 6 km deep · 8 km away
  8. 1.925 km E of Mono City, California · 15115 days ago · 7 km deep · 76 km away
  9. 2.01 km SE of Round Valley, California · 15115 days ago · 4 km deep · 4 km away
  10. 1.613 km ENE of Mono City, California · 15115 days ago · 5 km deep · 78 km away
  11. 2.031 km ENE of Mono City, California · 15114 days ago · 5 km deep · 85 km away
  12. 2.04 km SE of Swall Meadows, California · 15114 days ago · 11 km deep · 5 km away
  13. 2.01 km SW of Swall Meadows, California · 15114 days ago · 8 km deep · 9 km away
  14. 1.57 km N of Mesa, California · 15113 days ago · 7 km deep · 7 km away
  15. 1.928 km NW of Benton, California · 15113 days ago · 2 km deep · 65 km away
  16. 1.85 km NW of Round Valley, California · 15113 days ago · 4 km deep · 3 km away
  17. 1.611 km ESE of Mammoth Lakes, California · 15113 days ago · 8 km deep · 30 km away
  18. 1.612 km WSW of Aspen Springs, California · 15112 days ago · 4 km deep · 22 km away
  19. 2.23 km SSE of Swall Meadows, California · 15112 days ago · 10 km deep · 5 km away
  20. 1.51 km N of Round Valley, California · 15112 days ago · 2 km deep · 2 km away
  21. 1.64 km NW of Round Valley, California · 15112 days ago · 6 km deep · 2 km away
  22. 2.332 km NW of Benton, California · 15112 days ago · 2 km deep · 68 km away
  23. 2.216 km WSW of Aspen Springs, California · 15112 days ago · 2 km deep · 24 km away
  24. 1.95 km SE of Swall Meadows, California · 15111 days ago · 8 km deep · 5 km away
  25. 1.55 km ENE of Swall Meadows, California · 15111 days ago · 2 km deep · 11 km away
  26. 2.84 km SE of Swall Meadows, California · 15111 days ago · 10 km deep · 5 km away
  27. 2.24 km SE of Swall Meadows, California · 15111 days ago · 9 km deep · 5 km away
  28. 1.831 km ENE of Mono City, California · 15111 days ago · 9 km deep · 83 km away
  29. 2.51 km NNW of Mesa, California · 15111 days ago · 10 km deep · 5 km away
  30. 2.55 km SSE of Swall Meadows, California · 15111 days ago · 6 km deep · 4 km away
  31. 2.55 km SE of Swall Meadows, California · 15111 days ago · 10 km deep · 5 km away
  32. 2.35 km SE of Swall Meadows, CA · 15111 days ago · 9 km deep · 5 km away
  33. 2.36 km N of Round Valley, California · 15111 days ago · 6 km deep · 5 km away
  34. 2.04 km SE of Swall Meadows, California · 15111 days ago · 9 km deep · 5 km away
  35. 1.612 km SW of Aspen Springs, California · 15110 days ago · 5 km deep · 18 km away
  36. 1.64 km SE of Swall Meadows, California · 15110 days ago · 10 km deep · 5 km away
  37. 1.915 km ESE of Yosemite Valley, California · 15110 days ago · 5 km deep · 77 km away
  38. 1.98 km W of Aspen Springs, California · 15110 days ago · 2 km deep · 23 km away
  39. 2.48 km W of Aspen Springs, California · 15110 days ago · 2 km deep · 23 km away
  40. 1.712 km WNW of Aspen Springs, California · 15110 days ago · 6 km deep · 27 km away
  41. 1.98 km W of Aspen Springs, California · 15110 days ago · 2 km deep · 23 km away
  42. 1.62 km WNW of Round Valley, California · 15109 days ago · 10 km deep · 1 km away
  43. 1.69 km ESE of Mammoth Lakes, CA · 15109 days ago · 5 km deep · 32 km away
  44. 1.512 km WNW of Aspen Springs, California · 15109 days ago · 6 km deep · 27 km away
  45. 1.912 km WNW of Aspen Springs, California · 15109 days ago · 6 km deep · 27 km away
  46. 1.62 km E of Mammoth Lakes, California · 15109 days ago · 3 km deep · 38 km away
  47. 1.613 km W of Aspen Springs, California · 15109 days ago · 8 km deep · 26 km away
  48. 1.54 km SE of Swall Meadows, California · 15109 days ago · 10 km deep · 5 km away
  49. 1.64 km NNW of Round Valley, California · 15109 days ago · 7 km deep · 3 km away
  50. 2.111 km SW of Aspen Springs, California · 15108 days ago · 5 km deep · 19 km away
  51. 2.22 km WNW of Round Valley, California · 15108 days ago · 11 km deep · 0 km away
  52. 3.34 km SE of Swall Meadows, California · 15108 days ago · 9 km deep · 5 km away
  53. 1.74 km SE of Swall Meadows, California · 15108 days ago · 9 km deep · 5 km away
  54. 1.94 km SSW of Swall Meadows, California · 15108 days ago · 5 km deep · 6 km away
  55. 1.7California-Nevada border region · 15108 days ago · 7 km deep · 68 km away
  56. 1.60 km NE of Round Valley, California · 15107 days ago · 6 km deep · 2 km away
  57. 2.34 km N of Round Valley, California · 15107 days ago · 12 km deep · 3 km away
  58. 2.85 km SSE of Swall Meadows, California · 15107 days ago · 9 km deep · 4 km away
  59. 2.55 km SSE of Swall Meadows, California · 15107 days ago · 8 km deep · 4 km away
  60. 1.55 km SSE of Swall Meadows, California · 15107 days ago · 8 km deep · 4 km away

The first 60 of at least 199.

Before

  1. 1.72 km W of Round Valley, California · 15118 days ago · 10 km deep · 1 km away
  2. 2.14 km SE of Swall Meadows, California · 15118 days ago · 9 km deep · 5 km away
  3. 2.74 km SE of Swall Meadows, California · 15119 days ago · 10 km deep · 5 km away
  4. 2.04 km SE of Swall Meadows, California · 15119 days ago · 9 km deep · 5 km away
  5. 3.35 km NNE of Round Valley, California · 15119 days ago · 8 km deep · 5 km away
  6. 1.55 km SE of Swall Meadows, California · 15119 days ago · 9 km deep · 5 km away
  7. 2.325 km E of Mono City, California · 15119 days ago · 7 km deep · 76 km away
  8. 1.62 km WNW of Round Valley, California · 15120 days ago · 11 km deep · 0 km away
  9. 2.11 km SE of Swall Meadows, California · 15120 days ago · 4 km deep · 7 km away
  10. 1.611 km SE of Mammoth Lakes, California · 15120 days ago · 6 km deep · 29 km away
  11. 1.614 km WSW of Aspen Springs, California · 15121 days ago · 4 km deep · 25 km away
  12. 1.74 km WNW of Round Valley, California · 15121 days ago · 4 km deep · 2 km away
  13. 1.67 km E of Swall Meadows, California · 15121 days ago · 8 km deep · 9 km away
  14. 2.015 km WSW of Aspen Springs, California · 15122 days ago · 5 km deep · 24 km away
  15. 1.94 km SE of Swall Meadows, California · 15122 days ago · 11 km deep · 5 km away
  16. 3.34 km SE of Swall Meadows, California · 15122 days ago · 11 km deep · 5 km away
  17. 2.54 km SE of Swall Meadows, California · 15123 days ago · 12 km deep · 5 km away
  18. 2.020 km ESE of Yosemite Valley, California · 15123 days ago · 4 km deep · 72 km away
  19. 1.64 km SE of Swall Meadows, California · 15124 days ago · 9 km deep · 5 km away
  20. 1.6California-Nevada border region · 15124 days ago · 4 km deep · 1 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc47701 (also filed as ci66114). Read Fri, Oct 2, 2026, 5:56 AM UTC.