California earthquakes

M2.1 earthquake 9km NE of Ridgecrest, CA

A magnitude 2.1 earthquake struck 9km NE of Ridgecrest, CA on Fri, Dec 18, 1981, 8:58 AM PST (16:58 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.4 14km ENE of Coso Junction, CA. This one was a foreshock.

Ridgecrest 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
Local time
UTC
1981-12-18 16:58:24 UTC
Depth
0.8 km (0.5 mi), shallow
Epicenter
35.680° N, 117.603° 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 0.5 km horizontally, 1.0 km in depth
Depth from
From location
Station coverage gap
117°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 92 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 1.513km ENE of Coso Junction, CA · 16349 days ago · 3 km deep · 51 km away
  2. 1.912km ENE of Coso Junction, CA · 16349 days ago · 0 km deep · 50 km away
  3. 1.512km ENE of Coso Junction, CA · 16349 days ago · 1 km deep · 49 km away
  4. 1.613km ENE of Coso Junction, CA · 16348 days ago · 3 km deep · 49 km away
  5. 1.514km ENE of Coso Junction, CA · 16348 days ago · 4 km deep · 51 km away
  6. 2.414km ENE of Coso Junction, CA · 16348 days ago · 3 km deep · 49 km away
  7. 1.514km ENE of Coso Junction, CA · 16348 days ago · 3 km deep · 51 km away
  8. 1.715km NE of Coso Junction, CA · 16347 days ago · 3 km deep · 53 km away
  9. 1.615km WNW of Fort Irwin, CA · 16347 days ago · 9 km deep · 81 km away
  10. 2.511km ENE of Coso Junction, CA · 16347 days ago · -1 km deep · 49 km away
  11. 1.915km S of Bodfish, CA · 16346 days ago · 5 km deep · 86 km away
  12. 1.513km ENE of Coso Junction, CA · 16346 days ago · 4 km deep · 49 km away
  13. 2.212km ENE of Coso Junction, CA · 16345 days ago · -1 km deep · 51 km away
  14. 1.512km NE of Coso Junction, CA · 16345 days ago · -1 km deep · 52 km away
  15. 2.613km ENE of Coso Junction, CA · 16345 days ago · 1 km deep · 50 km away
  16. 1.615km ENE of Coso Junction, CA · 16345 days ago · 4 km deep · 51 km away
  17. 1.516km ENE of Coso Junction, CA · 16345 days ago · 8 km deep · 50 km away
  18. 1.514km ENE of Coso Junction, CA · 16345 days ago · 4 km deep · 50 km away
  19. 1.514km ENE of Coso Junction, CA · 16344 days ago · 4 km deep · 50 km away
  20. 2.434km E of Olancha, CA · 16343 days ago · 5 km deep · 64 km away
  21. 2.78km ESE of Olancha, CA · 16343 days ago · 5 km deep · 69 km away
  22. 1.914km ENE of Coso Junction, CA · 16343 days ago · 5 km deep · 51 km away
  23. 2.114km ENE of Coso Junction, CA · 16341 days ago · 5 km deep · 52 km away
  24. 2.42km SE of Ridgecrest, CA · 16341 days ago · -1 km deep · 9 km away
  25. 1.521km E of Coso Junction, CA · 16341 days ago · 5 km deep · 44 km away
  26. 2.016km ENE of Coso Junction, CA · 16340 days ago · 5 km deep · 50 km away
  27. 1.916km ENE of Coso Junction, CA · 16339 days ago · 5 km deep · 51 km away
  28. 1.630km NNW of Barstow, CA · 16339 days ago · 3 km deep · 74 km away
  29. 2.725km W of Johannesburg, CA · 16338 days ago · 7 km deep · 45 km away
  30. 2.226km W of Inyokern, CA · 16338 days ago · 5 km deep · 45 km away
  31. 2.414km N of Tehachapi, CA · 16338 days ago · 4 km deep · 91 km away
  32. 1.625km WNW of Inyokern, CA · 16337 days ago · 3 km deep · 43 km away
  33. 1.722km NNE of Trona, CA · 16336 days ago · 5 km deep · 41 km away
  34. 1.88km NE of Ridgecrest, CA · 16336 days ago · -1 km deep · 1 km away
  35. 1.59km NE of Ridgecrest, CA · 16336 days ago · -1 km deep · 1 km away
  36. 1.520km NNE of Trona, CA · 16336 days ago · 5 km deep · 40 km away
  37. 2.516km NNE of Inyokern, CA · 16335 days ago · 2 km deep · 15 km away
  38. 2.624km ENE of Arvin, CA · 16333 days ago · 5 km deep · 98 km away
  39. 2.626km W of Johannesburg, CA · 16332 days ago · 5 km deep · 45 km away
  40. 2.214km ESE of Olancha, CA · 16330 days ago · 5 km deep · 65 km away
  41. 2.215km ENE of Coso Junction, CA · 16328 days ago · 3 km deep · 50 km away
  42. 2.424km ENE of Arvin, CA · 16325 days ago · 5 km deep · 98 km away
  43. 2.445km WSW of Shoshone, CA · 16325 days ago · 5 km deep · 80 km away
  44. 2.227km W of Inyokern, CA · 16325 days ago · 5 km deep · 46 km away
  45. 2.127km W of Inyokern, CA · 16325 days ago · 5 km deep · 46 km away
  46. 2.618km W of Johannesburg, CA · 16325 days ago · 4 km deep · 38 km away
  47. 2.414km ENE of Coso Junction, CA · 16324 days ago · 3 km deep · 49 km away
  48. 2.623km E of Little Lake, CA · 16320 days ago · 0 km deep · 26 km away
  49. 2.523km E of Little Lake, CA · 16320 days ago · 0 km deep · 26 km away
  50. 2.42km E of Bodfish, CA · 16320 days ago · 5 km deep · 78 km away
  51. 2.311km ENE of Ridgecrest, CA · 16318 days ago · 7 km deep · 3 km away
  52. 1.916km S of Bodfish, CA · 16317 days ago · 5 km deep · 86 km away
  53. 2.59km NE of Ridgecrest, CA · 16316 days ago · 3 km deep · 1 km away
  54. 2.916km NE of Boron, CA · 16316 days ago · 5 km deep · 63 km away
  55. 2.726km NNW of Tehachapi, CA · 16315 days ago · 5 km deep · 93 km away
  56. 2.328km ESE of Kernville, CA · 16314 days ago · 10 km deep · 48 km away
  57. 2.029km W of Inyokern, CA · 16314 days ago · 9 km deep · 48 km away
  58. 2.138km NNW of Fort Irwin, CA · 16313 days ago · 5 km deep · 65 km away
  59. 2.116km SW of Fort Irwin, CA · 16312 days ago · 1 km deep · 94 km away
  60. 1.99km ESE of Lake Isabella, CA · 16312 days ago · 2 km deep · 72 km away

The first 60 of 92.

Before

  1. 1.814km SE of Johannesburg, CA · 16349 days ago · 9 km deep · 44 km away
  2. 1.816km S of Bodfish, CA · 16349 days ago · 5 km deep · 86 km away
  3. 1.823km N of California City, CA · 16349 days ago · 5 km deep · 50 km away
  4. 2.012km ENE of Coso Junction, CA · 16349 days ago · 0 km deep · 50 km away
  5. 1.814km ENE of Coso Junction, CA · 16350 days ago · 4 km deep · 50 km away
  6. 1.514km ENE of Coso Junction, CA · 16350 days ago · 3 km deep · 51 km away
  7. 1.614km ENE of Coso Junction, CA · 16350 days ago · 3 km deep · 52 km away
  8. 1.514km ENE of Coso Junction, CA · 16351 days ago · 4 km deep · 49 km away
  9. 1.917km NNE of Inyokern, CA · 16351 days ago · 4 km deep · 16 km away
  10. 2.014km ENE of Coso Junction, CA · 16351 days ago · 4 km deep · 49 km away
  11. 2.215km ENE of Coso Junction, CA · 16351 days ago · 3 km deep · 49 km away
  12. 1.514km ENE of Coso Junction, CA · 16351 days ago · 3 km deep · 51 km away
  13. 2.213km ENE of Coso Junction, CA · 16351 days ago · -1 km deep · 49 km away
  14. 1.614km ENE of Coso Junction, CA · 16351 days ago · 4 km deep · 50 km away
  15. 1.713km ENE of Coso Junction, CA · 16351 days ago · -1 km deep · 50 km away
  16. 1.615km ENE of Coso Junction, CA · 16351 days ago · 4 km deep · 51 km away
  17. 1.814km ENE of Coso Junction, CA · 16351 days ago · 3 km deep · 51 km away
  18. 2.614km SE of Olancha, CA · 16351 days ago · -1 km deep · 63 km away
  19. 3.516km SE of Olancha, CA · 16351 days ago · -1 km deep · 62 km away
  20. 1.615km ENE of Coso Junction, CA · 16351 days ago · 3 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci103571. Read Tue, Sep 22, 2026, 10:54 AM UTC.