California earthquakes

M2.2 earthquake 47km ENE of Trona, CA

A magnitude 2.2 earthquake struck 47km ENE of Trona, CA on Wed, Dec 13, 1978, 4:32 PM PST (00:32 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 13km E of Ridgecrest, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.2 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1978-12-14 00:32:00 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.990° N, 116.941° 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 5.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.27
Depth from
Operator assigned
Station coverage gap
233°, poorly surrounded by stations
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 36 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 1.622km NW of Searles Valley, CA · 17460 days ago · 0 km deep · 59 km away
  2. 2.013km SSE of Little Lake, CA · 17459 days ago · 6 km deep · 82 km away
  3. 2.02km W of Coso Junction, CA · 17456 days ago · 3 km deep · 93 km away
  4. 2.913km E of Ridgecrest, CA · 17454 days ago · 4 km deep · 69 km away
  5. 1.917km E of Coso Junction, CA · 17454 days ago · 3 km deep · 74 km away
  6. 1.945km N of Searles Valley, CA · 17453 days ago · 1 km deep · 49 km away
  7. 2.226km WSW of Tecopa, CA · 17451 days ago · 6 km deep · 45 km away
  8. 1.811km ENE of Coso Junction, CA · 17451 days ago · 6 km deep · 81 km away
  9. 2.220km SSW of Little Lake, CA · 17451 days ago · 7 km deep · 97 km away
  10. 2.219km SSW of Little Lake, CA · 17451 days ago · 5 km deep · 98 km away
  11. 1.719km SSW of Little Lake, CA · 17450 days ago · 6 km deep · 97 km away
  12. 2.344km S of Furnace Creek, CA · 17448 days ago · 0 km deep · 11 km away
  13. 1.610km NNE of Coso Junction, CA · 17446 days ago · 3 km deep · 87 km away
  14. 2.318km ENE of Little Lake, CA · 17445 days ago · 1 km deep · 71 km away
  15. 2.020km E of Little Lake, CA · 17440 days ago · 3 km deep · 67 km away
  16. 1.829km N of Searles Valley, CA · 17438 days ago · 6 km deep · 36 km away
  17. 2.717km SSW of Furnace Creek, CA · 17438 days ago · 6 km deep · 35 km away
  18. 1.814km NE of Little Lake, CA · 17434 days ago · 3 km deep · 76 km away
  19. 2.212km ENE of Little Lake, CA · 17434 days ago · 3 km deep · 76 km away
  20. 1.714km NE of Little Lake, CA · 17434 days ago · 3 km deep · 76 km away
  21. 2.518km NE of Olancha, CA · 17433 days ago · 0 km deep · 93 km away
  22. 2.237km NNE of Trona, CA · 17431 days ago · 6 km deep · 20 km away
  23. 2.28km SSW of Little Lake, CA · 17430 days ago · 9 km deep · 91 km away
  24. 2.329km SSW of Furnace Creek, CA · 17425 days ago · 6 km deep · 28 km away
  25. 2.114km E of Coso Junction, CA · 17424 days ago · 6 km deep · 76 km away
  26. 1.740km E of Olancha, CA · 17423 days ago · 6 km deep · 62 km away
  27. 2.346km SSW of Furnace Creek, CA · 17423 days ago · 6 km deep · 6 km away
  28. 2.119km ENE of Coso Junction, CA · 17422 days ago · 6 km deep · 74 km away
  29. 1.912km N of Ridgecrest, CA · 17422 days ago · 5 km deep · 73 km away
  30. 1.94km SE of Ridgecrest, CA · 17422 days ago · 3 km deep · 78 km away
  31. 2.019km ESE of Johannesburg, CA · 17422 days ago · 6 km deep · 91 km away
  32. 2.014km E of Coso Junction, CA · 17420 days ago · 6 km deep · 77 km away
  33. 2.218km NE of Olancha, CA · 17415 days ago · 1 km deep · 93 km away
  34. 2.116km NE of Little Lake, CA · 17413 days ago · 3 km deep · 75 km away
  35. 2.613km N of Coso Junction, CA · 17405 days ago · 0 km deep · 91 km away
  36. 2.232km ENE of Boron, CA · 17403 days ago · 4 km deep · 100 km away

Before

  1. 2.021km NE of Olancha, CA · 17463 days ago · 6 km deep · 90 km away
  2. 2.120km ESE of Ridgecrest, CA · 17463 days ago · 3 km deep · 70 km away
  3. 2.324km N of Searles Valley, CA · 17464 days ago · 0 km deep · 38 km away
  4. 2.025km N of Searles Valley, CA · 17466 days ago · 0 km deep · 39 km away
  5. 2.222km ESE of Ridgecrest, CA · 17467 days ago · 6 km deep · 67 km away
  6. 2.023km N of Searles Valley, CA · 17468 days ago · 6 km deep · 40 km away
  7. 2.25km ESE of Coso Junction, CA · 17468 days ago · 6 km deep · 87 km away
  8. 2.37km ESE of Coso Junction, CA · 17468 days ago · 5 km deep · 84 km away
  9. 2.216km ENE of Coso Junction, CA · 17471 days ago · 3 km deep · 76 km away
  10. 1.943km N of Searles Valley, CA · 17472 days ago · 6 km deep · 39 km away
  11. 2.136km S of Furnace Creek, CA · 17474 days ago · 6 km deep · 16 km away
  12. 2.116km ENE of Coso Junction, CA · 17474 days ago · 6 km deep · 76 km away
  13. 2.013km E of Little Lake, CA · 17478 days ago · 6 km deep · 74 km away
  14. 2.017km E of Coso Junction, CA · 17479 days ago · 3 km deep · 74 km away
  15. 1.86km NW of Little Lake, CA · 17481 days ago · 6 km deep · 92 km away
  16. 1.810km SW of Coso Junction, CA · 17481 days ago · 3 km deep · 99 km away
  17. 2.15km NW of Little Lake, CA · 17481 days ago · 6 km deep · 91 km away
  18. 3.17km NW of Little Lake, CA · 17481 days ago · 0 km deep · 92 km away
  19. 1.913km E of Little Lake, CA · 17484 days ago · 0 km deep · 74 km away
  20. 1.517km NNE of Inyokern, CA · 17486 days ago · 3 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3314201. Read Sat, Oct 3, 2026, 1:31 PM UTC.