California earthquakes

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

A magnitude 1.8 earthquake struck 4 km NW of Round Valley, California on Wed, Jul 3, 1985, 2:05 AM PDT (09:05 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M2.3 9 km SE of Mammoth Lakes, 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
1985-07-03 09:05:48 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
37.443° N, 118.625° 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, 0.7 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
62°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 192 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.39 km SE of Mammoth Lakes, California · 15056 days ago · 8 km deep · 29 km away
  2. 3.513 km SW of Aspen Springs, California · 15055 days ago · 7 km deep · 18 km away
  3. 2.69 km WSW of Aspen Springs, California · 15055 days ago · 4 km deep · 20 km away
  4. 1.79 km WSW of Aspen Springs, California · 15055 days ago · 3 km deep · 20 km away
  5. 1.95 km SE of Shaver Lake, California · 15055 days ago · 10 km deep · 72 km away
  6. 1.69 km W of Aspen Springs, California · 15055 days ago · 3 km deep · 22 km away
  7. 2.412 km WNW of Aspen Springs, California · 15054 days ago · 6 km deep · 25 km away
  8. 1.611 km SE of Mammoth Lakes, California · 15054 days ago · 5 km deep · 27 km away
  9. 1.56 km E of Swall Meadows, California · 15054 days ago · 3 km deep · 8 km away
  10. 1.54 km SSE of Swall Meadows, California · 15054 days ago · 8 km deep · 3 km away
  11. 1.77 km W of Aspen Springs, California · 15054 days ago · 11 km deep · 20 km away
  12. 1.532 km NW of Benton, California · 15053 days ago · 10 km deep · 67 km away
  13. 2.05 km SSE of Swall Meadows, California · 15053 days ago · 6 km deep · 3 km away
  14. 1.914 km WSW of Aspen Springs, California · 15053 days ago · 4 km deep · 23 km away
  15. 1.811 km SE of Mammoth Lakes, California · 15052 days ago · 4 km deep · 27 km away
  16. 1.66 km WSW of Aspen Springs, California · 15052 days ago · 1 km deep · 18 km away
  17. 1.930 km NW of Benton, California · 15052 days ago · 2 km deep · 63 km away
  18. 1.713 km SW of Aspen Springs, California · 15052 days ago · 7 km deep · 18 km away
  19. 2.016 km ENE of Mono City, California · 15051 days ago · 8 km deep · 77 km away
  20. 3.32 km ESE of Mesa, California · 15051 days ago · 10 km deep · 11 km away
  21. 2.015 km SW of Aspen Springs, California · 15050 days ago · 5 km deep · 19 km away
  22. 2.19 km W of Aspen Springs, California · 15050 days ago · 10 km deep · 20 km away
  23. 3.06 km W of Aspen Springs, California · 15049 days ago · 5 km deep · 19 km away
  24. 1.810 km WSW of Aspen Springs, California · 15049 days ago · 6 km deep · 21 km away
  25. 1.75 km SW of Aspen Springs, California · 15047 days ago · 3 km deep · 14 km away
  26. 1.815 km WSW of Aspen Springs, California · 15046 days ago · 2 km deep · 23 km away
  27. 1.65 km SSE of Swall Meadows, California · 15045 days ago · 5 km deep · 2 km away
  28. 1.825 km E of Mono City, California · 15045 days ago · 6 km deep · 74 km away
  29. 1.65 km N of Round Valley, California · 15044 days ago · 6 km deep · 5 km away
  30. 1.74 km W of Mammoth Lakes, California · 15044 days ago · -3 km deep · 42 km away
  31. 1.912 km SW of Aspen Springs, California · 15044 days ago · 3 km deep · 17 km away
  32. 2.412 km SE of Mammoth Lakes, California · 15042 days ago · 4 km deep · 26 km away
  33. 2.78 km W of Aspen Springs, California · 15042 days ago · 12 km deep · 20 km away
  34. 1.62 km NNW of Mesa, California · 15040 days ago · 5 km deep · 6 km away
  35. 1.917 km ENE of Wawona, California · 15040 days ago · 2 km deep · 76 km away
  36. 2.03 km NW of Swall Meadows, California · 15040 days ago · 11 km deep · 10 km away
  37. 1.912 km SE of Mammoth Lakes, California · 15040 days ago · 4 km deep · 26 km away
  38. 1.93 km W of Round Valley, California · 15039 days ago · 11 km deep · 3 km away
  39. 2.110 km ESE of Mammoth Lakes, California · 15038 days ago · 2 km deep · 28 km away
  40. 1.76 km W of Aspen Springs, California · 15038 days ago · 6 km deep · 19 km away
  41. 1.512 km SW of Aspen Springs, California · 15038 days ago · 8 km deep · 17 km away
  42. 2.05 km W of Mammoth Lakes, California · 15037 days ago · -1 km deep · 43 km away
  43. 1.912 km SW of Aspen Springs, California · 15037 days ago · 7 km deep · 17 km away
  44. 1.65 km N of Round Valley, California · 15036 days ago · 8 km deep · 5 km away
  45. 1.58 km WSW of Aspen Springs, California · 15036 days ago · 4 km deep · 20 km away
  46. 1.75 km SSE of Swall Meadows, California · 15035 days ago · 6 km deep · 3 km away
  47. 2.05 km W of Mammoth Lakes, California · 15035 days ago · -1 km deep · 43 km away
  48. 2.98 km SE of Mammoth Lakes, California · 15035 days ago · 3 km deep · 31 km away
  49. 1.98 km SE of Mammoth Lakes, California · 15035 days ago · 3 km deep · 31 km away
  50. 1.531 km NW of Benton, California · 15035 days ago · -1 km deep · 65 km away
  51. 1.712 km SW of Aspen Springs, California · 15035 days ago · 6 km deep · 17 km away
  52. 2.844km S of Hawthorne, NV · 15034 days ago · 6 km deep · 76 km away
  53. 1.85 km W of Mammoth Lakes, California · 15034 days ago · -1 km deep · 43 km away
  54. 1.625 km ENE of Fish Camp, California · 15033 days ago · 4 km deep · 67 km away
  55. 1.820 km ESE of Yosemite Valley, California · 15033 days ago · 4 km deep · 70 km away
  56. 2.15 km S of Aspen Springs, California · 15032 days ago · 6 km deep · 10 km away
  57. 2.17 km E of Mammoth Lakes, California · 15032 days ago · 11 km deep · 32 km away
  58. 2.57 km SE of Wilkerson, California · 15032 days ago · 9 km deep · 35 km away
  59. 2.111 km SW of Aspen Springs, California · 15031 days ago · 13 km deep · 17 km away
  60. 2.24 km SSE of Swall Meadows, California · 15031 days ago · 10 km deep · 2 km away

The first 60 of 192.

Before

  1. 2.114 km ENE of Swall Meadows, California · 15057 days ago · 10 km deep · 17 km away
  2. 2.213 km SW of Aspen Springs, California · 15057 days ago · 7 km deep · 18 km away
  3. 2.2California-Nevada border region · 15058 days ago · 6 km deep · 2 km away
  4. 2.03 km SSE of Swall Meadows, California · 15058 days ago · 8 km deep · 3 km away
  5. 1.913 km SW of Aspen Springs, California · 15058 days ago · 7 km deep · 18 km away
  6. 1.81 km NE of Mammoth Lakes, California · 15058 days ago · 7 km deep · 38 km away
  7. 2.35 km WSW of Aspen Springs, California · 15059 days ago · 2 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc50558. Read Tue, Sep 22, 2026, 9:38 PM UTC.