California earthquakes

M2.0 earthquake 32km WSW of Tecopa, CA

A magnitude 2.0 earthquake struck 32km WSW of Tecopa, CA on Wed, Dec 4, 1985, 1:27 AM PST (09:27 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.0 33km NNW of Fort Irwin, CA. This one was a foreshock.

Fort Irwin 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
2.0 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-12-04 09:27:13 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
35.756° N, 116.564° 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
Operator assigned
Station coverage gap
243°, poorly surrounded by stations
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: 11 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.035km N of Fort Irwin, CA · 14913 days ago · -1 km deep · 22 km away
  2. 1.842km N of Fort Irwin, CA · 14906 days ago · 5 km deep · 22 km away
  3. 3.033km NNW of Fort Irwin, CA · 14905 days ago · 10 km deep · 37 km away
  4. 2.632km E of Tecopa, CA · 14895 days ago · 5 km deep · 63 km away
  5. 2.435km ENE of Tecopa, CA · 14894 days ago · 5 km deep · 67 km away
  6. 2.112km ESE of Johannesburg, CA · 14886 days ago · 5 km deep · 99 km away
  7. 1.632km ENE of Little Lake, CA · 14873 days ago · -1 km deep · 96 km away
  8. 2.022km SW of Fort Irwin, CA · 14867 days ago · 0 km deep · 76 km away
  9. 2.435km S of Fort Irwin, CA · 14862 days ago · 5 km deep · 90 km away
  10. 1.97km ENE of Ridgecrest, CA · 14861 days ago · 11 km deep · 95 km away
  11. 2.616km NNE of Ridgecrest, CA · 14860 days ago · 12 km deep · 94 km away

Before

  1. 2.713km NE of Ridgecrest, CA · 14915 days ago · 6 km deep · 90 km away
  2. 1.741km SW of Furnace Creek, CA · 14923 days ago · 5 km deep · 69 km away
  3. 1.717km N of Ridgecrest, CA · 14923 days ago · 4 km deep · 99 km away
  4. 2.041km SW of Furnace Creek, CA · 14924 days ago · 5 km deep · 68 km away
  5. 2.120km NNE of Trona, CA · 14925 days ago · 5 km deep · 67 km away
  6. 2.017km NNE of Trona, CA · 14925 days ago · 5 km deep · 70 km away
  7. 2.426km NW of Fort Irwin, CA · 14931 days ago · 9 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci133055. Read Sat, Oct 3, 2026, 3:59 AM UTC.