California earthquakes

M3.1 earthquake 26km NNW of Tehachapi, CA

A magnitude 3.1 earthquake struck 26km NNW of Tehachapi, CA on Mon, Apr 15, 1957, 3:56 PM GMT-8 (23:56 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 22km NW of Grapevine, 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
1957-04-15 23:56:44 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.354° N, 118.554° 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 1.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
99°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 2.911km N of Grapevine, CA · 25356 days ago · 0 km deep · 49 km away
  2. 3.020km E of Oildale, CA · 25354 days ago · 6 km deep · 24 km away
  3. 3.322km NW of Grapevine, CA · 25353 days ago · 0 km deep · 60 km away
  4. 3.324km NE of Arvin, CA · 25340 days ago · 6 km deep · 12 km away
  5. 3.28km SW of Grapevine, CA · 25335 days ago · 6 km deep · 65 km away
  6. 3.020km ESE of Lake Isabella, CA · 25329 days ago · 5 km deep · 34 km away
  7. 3.024km SSW of Bodfish, CA · 25327 days ago · 6 km deep · 3 km away
  8. 2.916km ESE of Bodfish, CA · 25326 days ago · 6 km deep · 29 km away
  9. 2.925km NNW of Tehachapi, CA · 25324 days ago · 6 km deep · 3 km away
  10. 2.934km SW of Inyokern, CA · 25320 days ago · 6 km deep · 42 km away
  11. 3.022km S of Bodfish, CA · 25320 days ago · 6 km deep · 6 km away
  12. 2.814km ESE of Tehachapi, CA · 25317 days ago · 6 km deep · 38 km away

Before

  1. 2.811km N of Grapevine, CA · 25374 days ago · 4 km deep · 49 km away
  2. 3.215km NW of Grapevine, CA · 25375 days ago · 9 km deep · 57 km away
  3. 2.916km N of Pine Mountain Club, CA · 25386 days ago · 6 km deep · 69 km away
  4. 2.816km E of Oildale, CA · 25392 days ago · 6 km deep · 27 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3295949. Read Sun, Sep 27, 2026, 2:47 PM UTC.