California earthquakes

M1.5 earthquake 10 km SE of Walker, California

A magnitude 1.5 earthquake struck 10 km SE of Walker, California on Sat, May 9, 1987, 1:58 AM PDT (08:58 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.4 25 km S of Hawthorne, Nevada. This one was a foreshock.

Walker 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
1987-05-09 08:58:40 UTC
Depth
4.7 km (3.0 mi), shallow
Epicenter
38.446° N, 119.391° 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 3.2 km horizontally, 8.0 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
179°
Stations used
3

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 40 in the 60 days after this one and 27 in the 30 days before it.

After

  1. 3.425 km S of Hawthorne, Nevada · 14382 days ago · 6 km deep · 65 km away
  2. 1.819 km SE of Yosemite Valley, California · 14379 days ago · 10 km deep · 91 km away
  3. 2.123 km ESE of Yosemite Valley, California · 14379 days ago · 11 km deep · 90 km away
  4. 1.731 km ENE of Lee Vining, California · 14378 days ago · 6 km deep · 69 km away
  5. 2.46 km WSW of Mammoth Lakes, California · 14378 days ago · 4 km deep · 97 km away
  6. 1.825 km ESE of Yosemite Valley, California · 14377 days ago · 15 km deep · 89 km away
  7. 1.723 km ESE of Yosemite Valley, California · 14377 days ago · 14 km deep · 90 km away
  8. 1.525 km ESE of Yosemite Valley, California · 14377 days ago · 6 km deep · 90 km away
  9. 2.023 km ESE of Yosemite Valley, California · 14377 days ago · 13 km deep · 90 km away
  10. 1.619 km SE of Yosemite Valley, California · 14377 days ago · 15 km deep · 92 km away
  11. 1.626 km WNW of Benton, California · 14373 days ago · 7 km deep · 81 km away
  12. 2.35 km WNW of Topaz, California · 14370 days ago · 3 km deep · 27 km away
  13. 1.522 km SE of Yosemite Valley, California · 14366 days ago · 12 km deep · 91 km away
  14. 1.66 km W of Mammoth Lakes, California · 14363 days ago · 9 km deep · 95 km away
  15. 1.94 km E of Mammoth Lakes, California · 14358 days ago · 2 km deep · 97 km away
  16. 1.74 km E of Mammoth Lakes, California · 14358 days ago · 2 km deep · 97 km away
  17. 1.919 km ESE of Yosemite Valley, California · 14352 days ago · 2 km deep · 88 km away
  18. 2.119 km ESE of Yosemite Valley, California · 14352 days ago · 20 km deep · 83 km away
  19. 2.119 km ESE of Yosemite Valley, California · 14351 days ago · 15 km deep · 84 km away
  20. 1.615 km ENE of Mammoth Lakes, California · 14348 days ago · 5 km deep · 100 km away
  21. 1.515 km ENE of Mammoth Lakes, California · 14348 days ago · 5 km deep · 100 km away
  22. 1.514 km E of Mammoth Lakes, California · 14347 days ago · 6 km deep · 100 km away
  23. 1.629 km E of Mono City, California · 14346 days ago · 8 km deep · 67 km away
  24. 2.536 km NW of Benton, California · 14346 days ago · 1 km deep · 71 km away
  25. 1.835 km NW of Benton, California · 14346 days ago · 0 km deep · 72 km away
  26. 1.810 km ESE of Bridgeport, California · 14346 days ago · 3 km deep · 34 km away
  27. 1.95 km E of Mammoth Lakes, California · 14341 days ago · -1 km deep · 99 km away
  28. 1.931 km ENE of Mono City, California · 14339 days ago · 5 km deep · 60 km away
  29. 1.527 km NW of Benton, California · 14339 days ago · 3 km deep · 78 km away
  30. 1.65 km SW of Mammoth Lakes, California · 14334 days ago · 3 km deep · 98 km away
  31. 1.96 km N of Mammoth Lakes, California · 14334 days ago · 3 km deep · 90 km away
  32. 1.720 km ENE of Mono City, California · 14334 days ago · 7 km deep · 57 km away
  33. 2.06 km ESE of June Lake, California · 14333 days ago · -2 km deep · 83 km away
  34. 2.05 km ESE of Mammoth Lakes, California · 14332 days ago · 5 km deep · 99 km away
  35. 2.313 km NNW of Bridgeport, California · 14329 days ago · 5 km deep · 12 km away
  36. 2.224 km E of Mono City, California · 14328 days ago · 5 km deep · 62 km away
  37. 1.63 km SSE of Mammoth Lakes, California · 14328 days ago · 5 km deep · 99 km away
  38. 1.95 km ESE of June Lake, California · 14327 days ago · 2 km deep · 83 km away
  39. 1.77 km WSW of Mammoth Lakes, California · 14326 days ago · 3 km deep · 96 km away
  40. 2.033 km ENE of Lee Vining, California · 14326 days ago · 6 km deep · 69 km away

Before

  1. 2.12 km SW of Mammoth Lakes, California · 14386 days ago · 5 km deep · 97 km away
  2. 1.84 km E of Mammoth Lakes, California · 14386 days ago · -1 km deep · 98 km away
  3. 1.6California-Nevada border region · 14388 days ago · 3 km deep · 53 km away
  4. 1.63 km S of Mammoth Lakes, California · 14388 days ago · 5 km deep · 99 km away
  5. 4.23 km S of Mammoth Lakes, California · 14388 days ago · 5 km deep · 99 km away
  6. 2.416 km E of Mono City, California · 14389 days ago · 9 km deep · 58 km away
  7. 2.23 km ESE of Mammoth Lakes, California · 14389 days ago · 6 km deep · 98 km away
  8. 1.510 km E of Mammoth Lakes, California · 14390 days ago · 3 km deep · 99 km away
  9. 1.93 km E of Mammoth Lakes, California · 14393 days ago · 2 km deep · 97 km away
  10. 1.812 km E of Kirkwood, California · 14398 days ago · 1 km deep · 56 km away
  11. 2.911 km E of Kirkwood, California · 14398 days ago · -2 km deep · 56 km away
  12. 1.916 km E of Mono City, California · 14398 days ago · 9 km deep · 58 km away
  13. 1.64 km W of Mammoth Lakes, California · 14402 days ago · 1 km deep · 95 km away
  14. 1.65 km S of Markleeville, California · 14404 days ago · 1 km deep · 40 km away
  15. 1.87 km SSW of Markleeville, California · 14404 days ago · 4 km deep · 41 km away
  16. 2.67 km SSW of Markleeville, California · 14404 days ago · -1 km deep · 41 km away
  17. 2.12 km SW of Walker, California · 14405 days ago · 5 km deep · 11 km away
  18. 3.10 km NW of Mesa Vista, California · 14406 days ago · -1 km deep · 54 km away
  19. 1.7Central California · 14408 days ago · 5 km deep · 98 km away
  20. 1.611 km ENE of Mammoth Lakes, California · 14409 days ago · 3 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1149713. Read Sun, Sep 27, 2026, 5:03 AM UTC.