California earthquakes

M3.1 earthquake 4km SE of Coso Junction, CA

A magnitude 3.1 earthquake struck 4km SE of Coso Junction, CA on Fri, Dec 22, 1950, 4:27 AM GMT-8 (12:27 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.1 16km SE of Lone Pine, 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
3.1 (ml), minor
Local time
UTC
1950-12-22 12:27:04 UTC
Depth
1.7 km (1.1 mi), shallow
Epicenter
36.019° N, 117.917° 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 2.8 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
160°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.68km ESE of Coso Junction, CA · 27667 days ago · 3 km deep · 5 km away
  2. 2.95km SSW of Coso Junction, CA · 27667 days ago · 4 km deep · 5 km away
  3. 2.417km S of Little Lake, CA · 27661 days ago · 9 km deep · 26 km away
  4. 3.116km SE of Lone Pine, CA · 27660 days ago · 1 km deep · 51 km away
  5. 2.211km ESE of Olancha, CA · 27650 days ago · 6 km deep · 27 km away
  6. 3.036km SW of Stovepipe Wells, CA · 27630 days ago · 6 km deep · 59 km away
  7. 2.316km NW of Inyokern, CA · 27624 days ago · 1 km deep · 29 km away

Before

  1. 2.22km NNW of Coso Junction, CA · 27670 days ago · 3 km deep · 7 km away
  2. 2.522km ENE of Oildale, CA · 27674 days ago · 6 km deep · 99 km away
  3. 2.926km SW of Bodfish, CA · 27682 days ago · 6 km deep · 97 km away
  4. 2.926km SW of Bodfish, CA · 27683 days ago · 6 km deep · 97 km away
  5. 2.417km WNW of Olancha, CA · 27683 days ago · 13 km deep · 43 km away
  6. 2.717km WNW of Olancha, CA · 27683 days ago · 12 km deep · 43 km away
  7. 2.918km NW of Inyokern, CA · 27686 days ago · 6 km deep · 29 km away
  8. 2.222km ENE of Little Lake, CA · 27693 days ago · 6 km deep · 21 km away
  9. 2.617km NE of Coso Junction, CA · 27694 days ago · 6 km deep · 18 km away
  10. 2.222km E of Coso Junction, CA · 27694 days ago · 6 km deep · 20 km away
  11. 2.522km WSW of Little Lake, CA · 27694 days ago · 6 km deep · 25 km away
  12. 2.12km SE of Coso Junction, CA · 27695 days ago · 6 km deep · 2 km away
  13. 2.213km NE of Inyokern, CA · 27695 days ago · 6 km deep · 36 km away
  14. 1.922km WNW of Searles Valley, CA · 27695 days ago · 6 km deep · 32 km away
  15. 1.66km NE of Coso Junction, CA · 27696 days ago · 6 km deep · 8 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3342425. Read Tue, Sep 22, 2026, 6:33 AM UTC.