California earthquakes

M1.5 earthquake 3 km E of Mammoth Lakes, California

A magnitude 1.5 earthquake struck 3 km E of Mammoth Lakes, California on Thu, Jun 20, 1985, 10:42 PM PDT (05:42 UTC), 4 km (2 mi) below the surface.

A larger quake followed: M1.9 3 km E of Mammoth Lakes, California. This one was a foreshock.

Mammoth Lakes forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1985-06-21 05:42:22 UTC
Depth
4.0 km (2.5 mi), shallow
Epicenter
37.646° N, 118.938° 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, 0.3 km in depth
Magnitude uncertainty
±0.27
Depth from
From location
Station coverage gap
46°
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 167 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 1.93 km E of Mammoth Lakes, California · 15069 days ago · 4 km deep · 0 km away
  2. 2.630 km ENE of Mono City, California · 15068 days ago · 8 km deep · 57 km away
  3. 2.49 km W of Aspen Springs, California · 15068 days ago · 7 km deep · 15 km away
  4. 1.99 km W of Aspen Springs, California · 15068 days ago · 8 km deep · 15 km away
  5. 1.75 km SE of Swall Meadows, California · 15068 days ago · 9 km deep · 35 km away
  6. 1.65 km SE of Swall Meadows, California · 15068 days ago · 9 km deep · 35 km away
  7. 2.42 km WNW of Round Valley, California · 15067 days ago · 11 km deep · 38 km away
  8. 1.95 km SSE of Mammoth Lakes, California · 15067 days ago · 2 km deep · 5 km away
  9. 1.914 km ESE of Yosemite Valley, California · 15066 days ago · 3 km deep · 43 km away
  10. 1.632 km E of Mono City, California · 15066 days ago · 7 km deep · 49 km away
  11. 1.828 km ENE of Lee Vining, California · 15065 days ago · 7 km deep · 44 km away
  12. 1.64 km SW of Aspen Springs, California · 15065 days ago · 2 km deep · 21 km away
  13. 1.66 km SSW of Swall Meadows, California · 15064 days ago · 4 km deep · 32 km away
  14. 1.613 km WSW of Round Valley, California · 15064 days ago · -1 km deep · 35 km away
  15. 1.65 km SSW of Aspen Springs, California · 15063 days ago · 15 km deep · 24 km away
  16. 2.69 km W of Aspen Springs, California · 15063 days ago · 7 km deep · 15 km away
  17. 2.45 km SE of Swall Meadows, California · 15062 days ago · 10 km deep · 35 km away
  18. 1.54 km SSE of Swall Meadows, California · 15062 days ago · 7 km deep · 34 km away
  19. 2.015 km ESE of Yosemite Valley, California · 15062 days ago · 18 km deep · 42 km away
  20. 1.731 km NW of Benton, California · 15061 days ago · -2 km deep · 48 km away
  21. 1.730 km NW of Benton, California · 15061 days ago · -2 km deep · 48 km away
  22. 2.610 km WNW of Aspen Springs, California · 15061 days ago · 4 km deep · 12 km away
  23. 2.410 km WNW of Aspen Springs, California · 15061 days ago · 4 km deep · 12 km away
  24. 1.731 km NW of Benton, California · 15061 days ago · -2 km deep · 48 km away
  25. 1.830 km NW of Benton, California · 15061 days ago · 3 km deep · 44 km away
  26. 1.626 km E of Wawona, California · 15061 days ago · -2 km deep · 39 km away
  27. 1.5Central California · 15061 days ago · 3 km deep · 38 km away
  28. 2.010 km WNW of Aspen Springs, California · 15061 days ago · 4 km deep · 12 km away
  29. 1.71 km ENE of Round Valley, California · 15059 days ago · 7 km deep · 40 km away
  30. 1.95 km SW of Aspen Springs, California · 15059 days ago · 4 km deep · 22 km away
  31. 2.35 km WSW of Aspen Springs, California · 15059 days ago · 2 km deep · 20 km away
  32. 1.81 km NE of Mammoth Lakes, California · 15058 days ago · 7 km deep · 3 km away
  33. 1.913 km SW of Aspen Springs, California · 15058 days ago · 7 km deep · 22 km away
  34. 2.03 km SSE of Swall Meadows, California · 15058 days ago · 8 km deep · 33 km away
  35. 2.2California-Nevada border region · 15058 days ago · 6 km deep · 35 km away
  36. 2.213 km SW of Aspen Springs, California · 15057 days ago · 7 km deep · 22 km away
  37. 3.28 km ESE of Friant, California · 15057 days ago · 0 km deep · 98 km away
  38. 2.114 km ENE of Swall Meadows, California · 15057 days ago · 10 km deep · 40 km away
  39. 1.84 km NW of Round Valley, California · 15057 days ago · 10 km deep · 36 km away
  40. 2.39 km SE of Mammoth Lakes, California · 15056 days ago · 8 km deep · 8 km away
  41. 3.513 km SW of Aspen Springs, California · 15055 days ago · 7 km deep · 21 km away
  42. 2.69 km WSW of Aspen Springs, California · 15055 days ago · 4 km deep · 16 km away
  43. 1.79 km WSW of Aspen Springs, California · 15055 days ago · 3 km deep · 16 km away
  44. 1.95 km SE of Shaver Lake, California · 15055 days ago · 10 km deep · 72 km away
  45. 1.69 km W of Aspen Springs, California · 15055 days ago · 3 km deep · 14 km away
  46. 2.124 km W of Bridgeport, California · 15054 days ago · 4 km deep · 82 km away
  47. 2.412 km WNW of Aspen Springs, California · 15054 days ago · 6 km deep · 10 km away
  48. 1.611 km SE of Mammoth Lakes, California · 15054 days ago · 5 km deep · 9 km away
  49. 1.56 km E of Swall Meadows, California · 15054 days ago · 3 km deep · 36 km away
  50. 1.54 km SSE of Swall Meadows, California · 15054 days ago · 8 km deep · 34 km away
  51. 1.77 km W of Aspen Springs, California · 15054 days ago · 11 km deep · 16 km away
  52. 1.532 km NW of Benton, California · 15053 days ago · 10 km deep · 48 km away
  53. 2.05 km SSE of Swall Meadows, California · 15053 days ago · 6 km deep · 35 km away
  54. 1.914 km WSW of Aspen Springs, California · 15053 days ago · 4 km deep · 15 km away
  55. 1.811 km SE of Mammoth Lakes, California · 15052 days ago · 4 km deep · 9 km away
  56. 1.66 km WSW of Aspen Springs, California · 15052 days ago · 1 km deep · 18 km away
  57. 1.930 km NW of Benton, California · 15052 days ago · 2 km deep · 44 km away
  58. 1.713 km SW of Aspen Springs, California · 15052 days ago · 7 km deep · 22 km away
  59. 2.016 km ENE of Mono City, California · 15051 days ago · 8 km deep · 49 km away
  60. 3.32 km ESE of Mesa, California · 15051 days ago · 10 km deep · 46 km away

The first 60 of 167.

Before

  1. 2.110 km S of Bootjack, California · 15069 days ago · 22 km deep · 90 km away
  2. 1.76 km NE of Mesa, California · 15070 days ago · 10 km deep · 44 km away
  3. 1.628 km NW of Benton, California · 15070 days ago · 3 km deep · 45 km away
  4. 1.50 km NNW of Round Valley, California · 15070 days ago · 2 km deep · 39 km away
  5. 1.82 km WNW of Round Valley, California · 15070 days ago · 4 km deep · 38 km away
  6. 1.52 km SE of Mesa, California · 15070 days ago · 8 km deep · 45 km away
  7. 2.810 km S of Bootjack, California · 15070 days ago · 23 km deep · 90 km away
  8. 1.914 km ESE of Yosemite Valley, California · 15070 days ago · -1 km deep · 43 km away
  9. 1.84 km SE of Swall Meadows, California · 15070 days ago · 6 km deep · 35 km away
  10. 2.48 km WSW of Aspen Springs, California · 15071 days ago · 4 km deep · 16 km away
  11. 2.01 km NW of Dixon Lane-Meadow Creek, California · 15071 days ago · 5 km deep · 53 km away
  12. 2.013 km SW of Aspen Springs, California · 15072 days ago · 4 km deep · 21 km away
  13. 1.82 km SSE of Round Valley, California · 15073 days ago · 5 km deep · 43 km away
  14. 1.72 km SE of Round Valley, California · 15073 days ago · 4 km deep · 42 km away
  15. 2.04 km N of Round Valley, California · 15073 days ago · 2 km deep · 37 km away
  16. 1.66 km NNW of Mesa, California · 15075 days ago · 3 km deep · 39 km away
  17. 2.36 km NNW of Mesa, California · 15075 days ago · 4 km deep · 39 km away
  18. 1.66 km E of Swall Meadows, California · 15075 days ago · 5 km deep · 36 km away
  19. 1.710 km WNW of Aspen Springs, California · 15076 days ago · 4 km deep · 12 km away
  20. 2.09 km WSW of Aspen Springs, California · 15076 days ago · 4 km deep · 16 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc49921. Read Tue, Sep 22, 2026, 9:28 PM UTC.