California earthquakes

M2.2 earthquake 26km WSW of Tecopa, CA

A magnitude 2.2 earthquake struck 26km WSW of Tecopa, CA on Sat, Dec 23, 1978, 4:12 AM PST (12:12 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.7 17km SSW of Furnace Creek, 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
1978-12-23 12:12:04 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.786° N, 116.505° 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 2.4 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.29
Depth from
Operator assigned
Station coverage gap
204°, poorly surrounded by stations
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 1.810km NE of Barstow, CA · 17448 days ago · 6 km deep · 100 km away
  2. 2.230km E of Barstow, CA · 17446 days ago · 5 km deep · 96 km away
  3. 2.344km S of Furnace Creek, CA · 17446 days ago · 0 km deep · 43 km away
  4. 1.829km N of Searles Valley, CA · 17437 days ago · 6 km deep · 80 km away
  5. 2.717km SSW of Furnace Creek, CA · 17436 days ago · 6 km deep · 67 km away
  6. 2.237km NNE of Trona, CA · 17429 days ago · 6 km deep · 65 km away
  7. 2.329km SSW of Furnace Creek, CA · 17423 days ago · 6 km deep · 68 km away
  8. 2.346km SSW of Furnace Creek, CA · 17421 days ago · 6 km deep · 49 km away
  9. 2.036km SSE of Fort Irwin, CA · 17399 days ago · 0 km deep · 93 km away
  10. 2.123km ESE of Johannesburg, CA · 17398 days ago · 7 km deep · 99 km away
  11. 2.446km S of Furnace Creek, CA · 17398 days ago · 6 km deep · 49 km away
  12. 1.734km NNW of Searles Valley, CA · 17398 days ago · 3 km deep · 94 km away
  13. 2.341km NNW of Fort Irwin, CA · 17396 days ago · 0 km deep · 40 km away
  14. 1.734km ENE of Barstow, CA · 17395 days ago · 9 km deep · 93 km away

Before

  1. 1.945km N of Searles Valley, CA · 17451 days ago · 1 km deep · 95 km away
  2. 2.913km E of Ridgecrest, CA · 17453 days ago · 4 km deep · 95 km away
  3. 1.622km NW of Searles Valley, CA · 17458 days ago · 0 km deep · 98 km away
  4. 2.247km ENE of Trona, CA · 17459 days ago · 6 km deep · 45 km away
  5. 2.120km ESE of Ridgecrest, CA · 17462 days ago · 3 km deep · 93 km away
  6. 2.324km N of Searles Valley, CA · 17462 days ago · 0 km deep · 81 km away
  7. 2.025km N of Searles Valley, CA · 17464 days ago · 0 km deep · 82 km away
  8. 2.222km ESE of Ridgecrest, CA · 17465 days ago · 6 km deep · 89 km away
  9. 2.023km N of Searles Valley, CA · 17466 days ago · 6 km deep · 82 km away
  10. 1.943km N of Searles Valley, CA · 17470 days ago · 6 km deep · 84 km away
  11. 2.136km S of Furnace Creek, CA · 17472 days ago · 6 km deep · 51 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3314328. Read Thu, Oct 1, 2026, 7:12 PM UTC.