California earthquakes

M2.1 earthquake 20km ENE of Coso Junction, CA

A magnitude 2.1 earthquake struck 20km ENE of Coso Junction, CA on Tue, Jul 28, 1981, 4:29 AM PDT (11:29 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M2.6 16km SSW of Searles Valley, CA. This one was a foreshock.

Searles Valley 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
2.1 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1981-07-28 11:29:06 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
36.097° N, 117.729° 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.

Depth from
From location
Station coverage gap
123°
Stations used
0

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 39 in the 30 days before it.

After

  1. 1.622km N of Searles Valley, CA · 16497 days ago · 0 km deep · 32 km away
  2. 1.72km SW of Kernville, CA · 16495 days ago · 0 km deep · 76 km away
  3. 2.128km N of Searles Valley, CA · 16494 days ago · -1 km deep · 31 km away
  4. 1.527km ENE of Little Lake, CA · 16494 days ago · 1 km deep · 13 km away
  5. 1.724km WNW of Inyokern, CA · 16493 days ago · 8 km deep · 55 km away
  6. 2.134km WSW of Olancha, CA · 16490 days ago · 5 km deep · 56 km away
  7. 1.916km NNE of Inyokern, CA · 16490 days ago · 1 km deep · 35 km away
  8. 2.316km NNE of Inyokern, CA · 16490 days ago · 2 km deep · 36 km away
  9. 1.56km E of Coso Junction, CA · 16486 days ago · 8 km deep · 15 km away
  10. 1.68km SE of Independence, CA · 16484 days ago · 5 km deep · 82 km away
  11. 1.529km ESE of Porterville, CA · 16481 days ago · 5 km deep · 91 km away
  12. 1.79km ESE of Coso Junction, CA · 16481 days ago · 3 km deep · 14 km away
  13. 1.715km NNE of Inyokern, CA · 16479 days ago · 0 km deep · 37 km away
  14. 1.67km E of Coso Junction, CA · 16478 days ago · 7 km deep · 14 km away
  15. 1.624km SSW of Little Lake, CA · 16478 days ago · 9 km deep · 48 km away
  16. 2.16km E of Coso Junction, CA · 16478 days ago · -1 km deep · 15 km away
  17. 1.913km ENE of Little Lake, CA · 16477 days ago · 0 km deep · 14 km away
  18. 1.713km E of Little Lake, CA · 16477 days ago · 5 km deep · 17 km away
  19. 2.06km ESE of Coso Junction, CA · 16476 days ago · -1 km deep · 16 km away
  20. 1.927km WSW of Coso Junction, CA · 16474 days ago · 5 km deep · 47 km away
  21. 1.77km NW of Olancha, CA · 16474 days ago · 5 km deep · 39 km away
  22. 1.513km NNE of Inyokern, CA · 16468 days ago · -1 km deep · 39 km away
  23. 1.814km NE of Inyokern, CA · 16467 days ago · -1 km deep · 39 km away
  24. 1.715km NE of Inyokern, CA · 16462 days ago · 4 km deep · 38 km away
  25. 1.516km NE of Coso Junction, CA · 16462 days ago · 4 km deep · 9 km away
  26. 1.514km E of Coso Junction, CA · 16462 days ago · 4 km deep · 7 km away
  27. 1.67km WNW of Little Lake, CA · 16461 days ago · 4 km deep · 27 km away
  28. 1.850km W of Shoshone, CA · 16460 days ago · 5 km deep · 84 km away
  29. 2.120km WNW of Inyokern, CA · 16458 days ago · 1 km deep · 48 km away
  30. 2.616km SSW of Searles Valley, CA · 16453 days ago · -1 km deep · 57 km away
  31. 2.020km WNW of Searles Valley, CA · 16453 days ago · 1 km deep · 29 km away
  32. 1.65km WNW of Little Lake, CA · 16452 days ago · 4 km deep · 26 km away
  33. 1.59km SSW of Olancha, CA · 16449 days ago · 5 km deep · 31 km away
  34. 2.116km SSW of Searles Valley, CA · 16449 days ago · 2 km deep · 57 km away
  35. 2.321km WSW of Olancha, CA · 16449 days ago · 5 km deep · 44 km away
  36. 2.511km SSW of Olancha, CA · 16449 days ago · 5 km deep · 31 km away
  37. 1.514km S of Olancha, CA · 16449 days ago · 5 km deep · 28 km away
  38. 1.79km WNW of Olancha, CA · 16449 days ago · 5 km deep · 41 km away
  39. 1.56km WNW of Olancha, CA · 16448 days ago · 5 km deep · 38 km away
  40. 2.410km E of Lone Pine, CA · 16447 days ago · 5 km deep · 57 km away

Before

  1. 1.613km ENE of Coso Junction, CA · 16504 days ago · 5 km deep · 9 km away
  2. 1.817km E of Little Lake, CA · 16504 days ago · 14 km deep · 19 km away
  3. 1.814km NE of Coso Junction, CA · 16504 days ago · 5 km deep · 9 km away
  4. 2.916km ENE of Coso Junction, CA · 16504 days ago · 5 km deep · 6 km away
  5. 2.216km ENE of Coso Junction, CA · 16504 days ago · 5 km deep · 6 km away
  6. 1.617km NE of Coso Junction, CA · 16504 days ago · 5 km deep · 7 km away
  7. 2.017km ENE of Coso Junction, CA · 16504 days ago · 3 km deep · 6 km away
  8. 2.216km ENE of Coso Junction, CA · 16504 days ago · 5 km deep · 5 km away
  9. 1.612km ESE of Olancha, CA · 16504 days ago · 5 km deep · 20 km away
  10. 2.013km SE of Olancha, CA · 16505 days ago · 5 km deep · 20 km away
  11. 1.522km E of Coso Junction, CA · 16506 days ago · 5 km deep · 3 km away
  12. 1.82km E of Little Lake, CA · 16506 days ago · 4 km deep · 23 km away
  13. 2.020km NNE of Inyokern, CA · 16507 days ago · 4 km deep · 33 km away
  14. 2.515km SE of Lone Pine, CA · 16508 days ago · 1 km deep · 48 km away
  15. 2.416km NNE of Inyokern, CA · 16510 days ago · 2 km deep · 37 km away
  16. 1.918km WNW of Johannesburg, CA · 16510 days ago · 3 km deep · 77 km away
  17. 1.717km W of Johannesburg, CA · 16510 days ago · 4 km deep · 78 km away
  18. 2.118km WNW of Johannesburg, CA · 16510 days ago · 2 km deep · 77 km away
  19. 1.719km SE of Little Lake, CA · 16510 days ago · 3 km deep · 32 km away
  20. 2.418km WNW of Johannesburg, CA · 16511 days ago · 3 km deep · 77 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci520201. Read Thu, Oct 1, 2026, 8:31 PM UTC.