California earthquakes

M2.1 earthquake 5 km NNE of Mesa, California

A magnitude 2.1 earthquake struck 5 km NNE of Mesa, California on Sat, Aug 17, 1985, 2:30 AM PDT (09:30 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.7 8 km WSW 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
2.1 (md), micro
Local time
UTC
1985-08-17 09:30:11 UTC
Depth
11.8 km (7.4 mi), shallow
Epicenter
37.463° N, 118.517° 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, 0.8 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
64°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 1.77 km N of Mesa, California · 15010 days ago · 3 km deep · 4 km away
  2. 1.66 km NNE of Mesa, California · 15010 days ago · 12 km deep · 1 km away
  3. 2.78 km WSW of Aspen Springs, California · 15010 days ago · 4 km deep · 27 km away
  4. 1.536 km E of Mono City, California · 15010 days ago · 3 km deep · 71 km away
  5. 1.713 km SW of Aspen Springs, California · 15009 days ago · 8 km deep · 27 km away
  6. 1.911 km SW of Aspen Springs, California · 15009 days ago · 7 km deep · 26 km away
  7. 1.95 km W of Mammoth Lakes, California · 15009 days ago · -1 km deep · 50 km away
  8. 2.012 km ESE of Mammoth Lakes, California · 15008 days ago · -1 km deep · 33 km away
  9. 1.916 km SW of Aspen Springs, California · 15008 days ago · 5 km deep · 29 km away
  10. 2.24 km WSW of Mammoth Lakes, California · 15008 days ago · -1 km deep · 49 km away
  11. 2.213 km SSW of Mammoth Lakes, California · 15008 days ago · 3 km deep · 45 km away
  12. 2.18 km WSW of Aspen Springs, California · 15007 days ago · 3 km deep · 27 km away
  13. 2.58 km WSW of Aspen Springs, California · 15007 days ago · 3 km deep · 27 km away
  14. 1.712 km ESE of Mammoth Lakes, California · 15007 days ago · 0 km deep · 33 km away
  15. 1.68 km WSW of Aspen Springs, California · 15007 days ago · 3 km deep · 27 km away
  16. 2.04 km ESE of Bishop, California · 15007 days ago · 6 km deep · 20 km away
  17. 1.813 km SE of Mammoth Lakes, California · 15007 days ago · 3 km deep · 34 km away
  18. 1.74 km S of Swall Meadows, California · 15007 days ago · 3 km deep · 11 km away
  19. 1.718 km NW of Benton, California · 15007 days ago · 5 km deep · 54 km away
  20. 2.913 km SE of Mammoth Lakes, California · 15006 days ago · 3 km deep · 34 km away
  21. 2.818 km NW of Benton, California · 15006 days ago · 8 km deep · 55 km away
  22. 1.713 km SE of Mammoth Lakes, California · 15006 days ago · 3 km deep · 34 km away
  23. 2.013 km SE of Mammoth Lakes, California · 15006 days ago · 4 km deep · 34 km away
  24. 1.918 km NW of Benton, California · 15006 days ago · 6 km deep · 54 km away
  25. 1.618 km NW of Benton, California · 15006 days ago · 7 km deep · 54 km away
  26. 4.019 km SW of Goldfield, Nevada · 15006 days ago · 5 km deep · 100 km away
  27. 3.251km SSW of Tonopah, NV · 15006 days ago · 5 km deep · 98 km away
  28. 1.82 km NNW of Mesa, California · 15006 days ago · 9 km deep · 4 km away
  29. 1.711 km SE of Mammoth Lakes, California · 15006 days ago · 4 km deep · 34 km away
  30. 3.5California-Nevada border region · 15006 days ago · 7 km deep · 9 km away
  31. 1.92 km SSE of Round Valley, California · 15006 days ago · 6 km deep · 9 km away
  32. 1.62 km SSE of Round Valley, California · 15006 days ago · 7 km deep · 9 km away
  33. 2.42 km SSE of Round Valley, California · 15006 days ago · 7 km deep · 9 km away
  34. 1.67 km SE of Mammoth Lakes, California · 15006 days ago · 3 km deep · 38 km away
  35. 2.36 km W of Mammoth Lakes, California · 15006 days ago · 1 km deep · 50 km away
  36. 1.62 km NW of Round Valley, California · 15005 days ago · 10 km deep · 8 km away
  37. 3.24 km WNW of Aspen Springs, California · 15005 days ago · 5 km deep · 24 km away
  38. 1.518 km NW of Benton, California · 15005 days ago · 5 km deep · 54 km away
  39. 1.85 km W of Mammoth Lakes, California · 15005 days ago · -1 km deep · 49 km away
  40. 2.461km E of Big Pine, CA · 15004 days ago · 5 km deep · 84 km away
  41. 2.561km E of Big Pine, CA · 15004 days ago · 5 km deep · 85 km away
  42. 1.614 km WSW of Aspen Springs, California · 15003 days ago · 3 km deep · 32 km away
  43. 1.914 km WSW of Aspen Springs, California · 15003 days ago · 4 km deep · 32 km away
  44. 1.67 km ESE of Swall Meadows, California · 15002 days ago · 6 km deep · 5 km away
  45. 2.13 km NW of Swall Meadows, California · 15002 days ago · 7 km deep · 16 km away
  46. 2.02 km WNW of Round Valley, California · 15002 days ago · 10 km deep · 10 km away
  47. 1.513 km WSW of Aspen Springs, California · 15002 days ago · 5 km deep · 31 km away
  48. 2.13 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  49. 2.120 km SSE of Dyer, Nevada · 15001 days ago · 3 km deep · 51 km away
  50. 4.53 km WSW of Round Valley, California · 15001 days ago · 10 km deep · 11 km away
  51. 2.73 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  52. 1.63 km WSW of Round Valley, California · 15001 days ago · 8 km deep · 11 km away
  53. 1.63 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  54. 1.63 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  55. 1.83 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  56. 2.03 km WSW of Round Valley, California · 15001 days ago · 9 km deep · 11 km away
  57. 1.611 km ENE of Mammoth Lakes, California · 15001 days ago · 5 km deep · 37 km away
  58. 1.88 km WSW of Aspen Springs, California · 15001 days ago · 4 km deep · 27 km away
  59. 2.45 km W of Mammoth Lakes, California · 15001 days ago · 0 km deep · 50 km away
  60. 1.818 km NW of Benton, California · 15000 days ago · 7 km deep · 54 km away

The first 60 of 171.

Before

  1. 1.85 km NW of Round Valley, California · 15011 days ago · 7 km deep · 9 km away
  2. 2.25 km W of Mammoth Lakes, California · 15011 days ago · -1 km deep · 50 km away
  3. 2.35 km W of Mammoth Lakes, California · 15012 days ago · -2 km deep · 50 km away
  4. 1.81 km SSW of Round Valley, California · 15012 days ago · 4 km deep · 9 km away
  5. 1.84 km WNW of Aspen Springs, California · 15013 days ago · 5 km deep · 24 km away
  6. 1.69 km ESE of Mammoth Lakes, California · 15013 days ago · 5 km deep · 35 km away
  7. 1.55 km NE of Mesa, California · 15013 days ago · 1 km deep · 1 km away
  8. 2.06 km W of Mammoth Lakes, California · 15014 days ago · -1 km deep · 51 km away
  9. 1.911 km W of Aspen Springs, California · 15014 days ago · 2 km deep · 31 km away
  10. 2.14 km NNW of Round Valley, California · 15014 days ago · 11 km deep · 7 km away
  11. 2.45 km W of Mammoth Lakes, California · 15014 days ago · -1 km deep · 50 km away
  12. 1.87 km ESE of Wilkerson, California · 15015 days ago · 3 km deep · 29 km away
  13. 2.09 km ESE of Mammoth Lakes, California · 15015 days ago · 5 km deep · 36 km away
  14. 1.69 km ESE of Mammoth Lakes, California · 15015 days ago · 5 km deep · 36 km away
  15. 1.65 km WSW of Mammoth Lakes, California · 15016 days ago · -1 km deep · 50 km away
  16. 2.55 km WSW of Mammoth Lakes, California · 15016 days ago · -1 km deep · 49 km away
  17. 1.98 km WSW of Aspen Springs, California · 15017 days ago · 4 km deep · 27 km away
  18. 1.54 km NNW of Round Valley, California · 15018 days ago · 6 km deep · 9 km away
  19. 2.113 km W of Aspen Springs, California · 15018 days ago · 6 km deep · 32 km away
  20. 1.912 km SE of Mammoth Lakes, California · 15018 days ago · 4 km deep · 33 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc53167 (also filed as ci109813). Read Tue, Sep 22, 2026, 9:32 AM UTC.