California earthquakes

M1.8 earthquake 30km SSW of Smith Valley, NV

A magnitude 1.8 earthquake struck 30km SSW of Smith Valley, NV on Mon, Aug 23, 2021, 4:08 PM PDT (23:08 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.4 25km SSW of Smith Valley, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-08-23 23:08:00 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
38.539° N, 119.482° 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, 0.2 km in depth
Magnitude uncertainty
±0.20
Depth from
From location
Station coverage gap
71°
Stations used
17

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 201 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 1.733km ENE of Dardanelle, CA · 1866 days ago · 8 km deep · 7 km away
  2. 2.229km SE of Markleeville, CA · 1866 days ago · 5 km deep · 4 km away
  3. 2.225km SSW of Smith Valley, NV · 1866 days ago · -2 km deep · 6 km away
  4. 2.528km SSW of Smith Valley, NV · 1866 days ago · 4 km deep · 2 km away
  5. 1.827km SSW of Smith Valley, NV · 1866 days ago · -1 km deep · 6 km away
  6. 2.130km SE of Markleeville, CA · 1865 days ago · 4 km deep · 5 km away
  7. 1.631km SE of Markleeville, CA · 1865 days ago · 5 km deep · 5 km away
  8. 1.831km NW of Bridgeport, CA · 1865 days ago · 6 km deep · 9 km away
  9. 1.828km ESE of Markleeville, CA · 1865 days ago · 3 km deep · 4 km away
  10. 2.930km SSW of Smith Valley, NV · 1865 days ago · 6 km deep · 0 km away · felt by 1
  11. 2.111km E of Groveland-Big Oak Flat, CA · 1865 days ago · 38 km deep · 95 km away
  12. 1.830km SSW of Smith Valley, NV · 1865 days ago · 6 km deep · 0 km away
  13. 1.530km SE of Markleeville, CA · 1865 days ago · 3 km deep · 5 km away
  14. 1.830km SE of Markleeville, CA · 1864 days ago · 5 km deep · 3 km away
  15. 1.729km SE of Markleeville, CA · 1864 days ago · 4 km deep · 4 km away
  16. 1.830km SSW of Smith Valley, NV · 1864 days ago · 3 km deep · 2 km away
  17. 1.725km ENE of Dardanelle, CA · 1864 days ago · 6 km deep · 17 km away
  18. 1.632km ENE of Dardanelle, CA · 1864 days ago · 6 km deep · 9 km away
  19. 1.628km NW of Bridgeport, CA · 1864 days ago · 4 km deep · 12 km away
  20. 2.526km SSW of Smith Valley, NV · 1864 days ago · 2 km deep · 6 km away
  21. 2.126km SSW of Smith Valley, NV · 1864 days ago · -2 km deep · 6 km away
  22. 2.227km SSW of Smith Valley, NV · 1864 days ago · 2 km deep · 5 km away
  23. 2.426km SSW of Smith Valley, NV · 1864 days ago · -2 km deep · 6 km away
  24. 3.526km SSW of Smith Valley, NV · 1864 days ago · 1 km deep · 6 km away · felt by 5
  25. 2.327km SSW of Smith Valley, NV · 1864 days ago · 2 km deep · 5 km away
  26. 2.926km SSW of Smith Valley, NV · 1864 days ago · -1 km deep · 6 km away · felt by 1
  27. 1.527km SSW of Smith Valley, NV · 1864 days ago · 1 km deep · 5 km away
  28. 1.528km SSW of Smith Valley, NV · 1864 days ago · 3 km deep · 6 km away
  29. 1.828km S of Smith Valley, NV · 1864 days ago · 4 km deep · 7 km away
  30. 1.827km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 5 km away
  31. 2.426km SSW of Smith Valley, NV · 1863 days ago · -1 km deep · 5 km away
  32. 1.828km SSW of Smith Valley, NV · 1863 days ago · 0 km deep · 5 km away
  33. 1.927km SSW of Smith Valley, NV · 1863 days ago · 1 km deep · 5 km away
  34. 4.425km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 6 km away · felt by 41
  35. 1.828km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 4 km away
  36. 1.726km SSW of Smith Valley, NV · 1863 days ago · 1 km deep · 6 km away
  37. 1.926km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 5 km away
  38. 1.825km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 7 km away
  39. 2.17 km E of Coleville, California · 1863 days ago · 4 km deep · 6 km away
  40. 3.025km SSW of Smith Valley, NV · 1863 days ago · 0 km deep · 6 km away
  41. 2.36 km ENE of Walker, California · 1863 days ago · 4 km deep · 6 km away
  42. 2.028km SSW of Smith Valley, NV · 1863 days ago · -1 km deep · 6 km away
  43. 1.732 km NNW of Benton, California · 1863 days ago · 7 km deep · 89 km away
  44. 2.225km SSW of Smith Valley, NV · 1863 days ago · 4 km deep · 7 km away
  45. 2.129km SSW of Smith Valley, NV · 1863 days ago · -1 km deep · 6 km away
  46. 2.125km SSW of Smith Valley, NV · 1863 days ago · 2 km deep · 6 km away
  47. 1.725km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 6 km away
  48. 2.226km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 6 km away
  49. 1.826km SSW of Smith Valley, NV · 1863 days ago · 7 km deep · 5 km away
  50. 2.028km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 5 km away
  51. 2.226km SSW of Smith Valley, NV · 1863 days ago · 4 km deep · 6 km away
  52. 2.726km SSW of Smith Valley, NV · 1863 days ago · 2 km deep · 6 km away
  53. 2.125km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 6 km away
  54. 2.226km SSW of Smith Valley, NV · 1863 days ago · 2 km deep · 6 km away
  55. 2.326km SSW of Smith Valley, NV · 1863 days ago · -2 km deep · 6 km away
  56. 2.826km SSW of Smith Valley, NV · 1863 days ago · 2 km deep · 6 km away · felt by 1
  57. 1.626km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 6 km away
  58. 1.827km SSW of Smith Valley, NV · 1863 days ago · 4 km deep · 6 km away
  59. 1.626km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 6 km away
  60. 2.126km SSW of Smith Valley, NV · 1863 days ago · 3 km deep · 6 km away

The first 60 of at least 201.

Before

  1. 2.428km SSW of Smith Valley, NV · 1867 days ago · 4 km deep · 2 km away · felt by 1
  2. 1.633km ENE of Dardanelle, CA · 1867 days ago · 9 km deep · 7 km away
  3. 3.030km SSW of Smith Valley, NV · 1867 days ago · 7 km deep · 0 km away · felt by 2
  4. 1.63 km ESE of Coleville, California · 1867 days ago · 6 km deep · 2 km away
  5. 1.530km SSW of Smith Valley, NV · 1867 days ago · 3 km deep · 4 km away
  6. 1.633km NW of Bridgeport, CA · 1867 days ago · 8 km deep · 7 km away
  7. 1.728km SSW of Smith Valley, NV · 1867 days ago · 4 km deep · 2 km away
  8. 1.631km SE of Markleeville, CA · 1868 days ago · 3 km deep · 6 km away
  9. 2.529km SE of Markleeville, CA · 1868 days ago · 3 km deep · 5 km away · felt by 1
  10. 2.126km SSW of Smith Valley, NV · 1868 days ago · 0 km deep · 6 km away
  11. 1.826km SSW of Smith Valley, NV · 1868 days ago · -1 km deep · 5 km away
  12. 1.626km SSW of Smith Valley, NV · 1868 days ago · -1 km deep · 6 km away
  13. 1.631km SSW of Smith Valley, NV · 1868 days ago · 3 km deep · 4 km away
  14. 2.527km ESE of Markleeville, CA · 1868 days ago · 5 km deep · 5 km away
  15. 2.429km ESE of Markleeville, CA · 1868 days ago · 7 km deep · 3 km away
  16. 1.631km S of Smith Valley, NV · 1868 days ago · 2 km deep · 8 km away
  17. 1.827km SSW of Smith Valley, NV · 1868 days ago · 2 km deep · 6 km away
  18. 2.827km SSW of Smith Valley, NV · 1868 days ago · 2 km deep · 5 km away · felt by 3
  19. 1.828km SSW of Smith Valley, NV · 1868 days ago · -1 km deep · 5 km away
  20. 1.927km SSW of Smith Valley, NV · 1868 days ago · -2 km deep · 5 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73614466. Read Sat, Oct 3, 2026, 2:01 PM UTC.