California earthquakes

M2.2 earthquake 9 km SSE of Walker, California

A magnitude 2.2 earthquake struck 9 km SSE of Walker, California on Thu, Apr 9, 1987, 3:45 PM PDT (22:45 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M2.5 12 km WNW of Bridgeport, California. 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
2.2 (md), micro
Local time
UTC
1987-04-09 22:45:33 UTC
Depth
0.6 km (0.4 mi), shallow
Epicenter
38.437° N, 119.431° 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, 1.6 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
112°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 41 in the 60 days after this one and 26 in the 30 days before it.

After

  1. 2.512 km WNW of Bridgeport, California · 14411 days ago · 7 km deep · 15 km away
  2. 1.830 km E of Lee Vining, California · 14410 days ago · 5 km deep · 77 km away
  3. 2.49 km E of Markleeville, California · 14409 days ago · 2 km deep · 34 km away
  4. 2.410 km SSE of Walker, California · 14406 days ago · 3 km deep · 2 km away
  5. 1.711 km ENE of Mammoth Lakes, California · 14404 days ago · 3 km deep · 99 km away
  6. 1.611 km ENE of Mammoth Lakes, California · 14404 days ago · 3 km deep · 99 km away
  7. 1.7Central California · 14403 days ago · 5 km deep · 98 km away
  8. 3.10 km NW of Mesa Vista, California · 14402 days ago · -1 km deep · 53 km away
  9. 2.12 km SW of Walker, California · 14400 days ago · 5 km deep · 9 km away
  10. 2.67 km SSW of Markleeville, California · 14399 days ago · -1 km deep · 39 km away
  11. 1.87 km SSW of Markleeville, California · 14399 days ago · 4 km deep · 39 km away
  12. 1.65 km S of Markleeville, California · 14399 days ago · 1 km deep · 38 km away
  13. 1.64 km W of Mammoth Lakes, California · 14397 days ago · 1 km deep · 95 km away
  14. 1.916 km E of Mono City, California · 14394 days ago · 9 km deep · 60 km away
  15. 2.911 km E of Kirkwood, California · 14393 days ago · -2 km deep · 53 km away
  16. 1.812 km E of Kirkwood, California · 14393 days ago · 1 km deep · 53 km away
  17. 1.93 km E of Mammoth Lakes, California · 14389 days ago · 2 km deep · 98 km away
  18. 2.23 km ESE of Mammoth Lakes, California · 14385 days ago · 6 km deep · 99 km away
  19. 2.416 km E of Mono City, California · 14385 days ago · 9 km deep · 59 km away
  20. 4.23 km S of Mammoth Lakes, California · 14384 days ago · 5 km deep · 100 km away
  21. 1.63 km S of Mammoth Lakes, California · 14384 days ago · 5 km deep · 100 km away
  22. 1.6California-Nevada border region · 14383 days ago · 3 km deep · 55 km away
  23. 1.84 km E of Mammoth Lakes, California · 14382 days ago · -1 km deep · 99 km away
  24. 2.12 km SW of Mammoth Lakes, California · 14382 days ago · 5 km deep · 97 km away
  25. 1.510 km SE of Walker, California · 14382 days ago · 5 km deep · 4 km away
  26. 3.425 km S of Hawthorne, Nevada · 14377 days ago · 6 km deep · 69 km away
  27. 1.819 km SE of Yosemite Valley, California · 14375 days ago · 10 km deep · 90 km away
  28. 2.123 km ESE of Yosemite Valley, California · 14374 days ago · 11 km deep · 89 km away
  29. 1.731 km ENE of Lee Vining, California · 14374 days ago · 6 km deep · 71 km away
  30. 2.46 km WSW of Mammoth Lakes, California · 14373 days ago · 4 km deep · 97 km away
  31. 1.825 km ESE of Yosemite Valley, California · 14373 days ago · 15 km deep · 89 km away
  32. 1.723 km ESE of Yosemite Valley, California · 14373 days ago · 14 km deep · 90 km away
  33. 1.525 km ESE of Yosemite Valley, California · 14373 days ago · 6 km deep · 89 km away
  34. 2.023 km ESE of Yosemite Valley, California · 14373 days ago · 13 km deep · 90 km away
  35. 1.619 km SE of Yosemite Valley, California · 14373 days ago · 15 km deep · 91 km away
  36. 1.626 km WNW of Benton, California · 14368 days ago · 7 km deep · 83 km away
  37. 2.35 km WNW of Topaz, California · 14365 days ago · 3 km deep · 26 km away
  38. 1.522 km SE of Yosemite Valley, California · 14362 days ago · 12 km deep · 90 km away
  39. 1.66 km W of Mammoth Lakes, California · 14359 days ago · 9 km deep · 95 km away
  40. 1.94 km E of Mammoth Lakes, California · 14354 days ago · 2 km deep · 98 km away
  41. 1.74 km E of Mammoth Lakes, California · 14354 days ago · 2 km deep · 98 km away

Before

  1. 2.032 km E of Mono City, California · 14411 days ago · 4 km deep · 70 km away
  2. 1.626 km ENE of Lee Vining, California · 14413 days ago · 9 km deep · 67 km away
  3. 2.511 km NNW of Bridgeport, California · 14414 days ago · 6 km deep · 16 km away
  4. 2.310 km E of Markleeville, California · 14415 days ago · -1 km deep · 35 km away
  5. 1.633 km ENE of Lee Vining, California · 14417 days ago · 0 km deep · 73 km away
  6. 2.019 km NW of Benton, California · 14418 days ago · 3 km deep · 89 km away
  7. 2.430 km ENE of Lee Vining, California · 14418 days ago · 1 km deep · 72 km away
  8. 2.130 km ENE of Lee Vining, California · 14420 days ago · 1 km deep · 72 km away
  9. 2.031 km ENE of Lee Vining, California · 14420 days ago · 2 km deep · 72 km away
  10. 1.831 km ENE of Lee Vining, California · 14420 days ago · 2 km deep · 72 km away
  11. 1.97 km ESE of Mono City, California · 14421 days ago · 10 km deep · 56 km away
  12. 2.015 km SE of Yosemite Valley, California · 14422 days ago · 3 km deep · 87 km away
  13. 1.731 km NW of Benton, California · 14422 days ago · 1 km deep · 77 km away
  14. 1.820 km ENE of Mono City, California · 14423 days ago · 6 km deep · 56 km away
  15. 1.53 km ESE of Mammoth Lakes, California · 14423 days ago · 4 km deep · 99 km away
  16. 1.69 km WNW of Topaz Lake, Nevada · 14424 days ago · 0 km deep · 37 km away
  17. 2.411 km WNW of Bridgeport, California · 14428 days ago · 5 km deep · 19 km away
  18. 3.710 km SSE of Walker, California · 14431 days ago · 3 km deep · 1 km away
  19. 1.919 km ENE of Mono City, California · 14432 days ago · 7 km deep · 57 km away
  20. 1.84 km E of Mammoth Lakes, California · 14432 days ago · 7 km deep · 98 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1148962. Read Tue, Sep 22, 2026, 9:28 PM UTC.