California earthquakes

M2.8 earthquake 25km N of Tehachapi, CA

A magnitude 2.8 earthquake struck 25km N of Tehachapi, CA on Mon, Aug 23, 1971, 5:52 PM PDT (00:52 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.5 13km ESE of Kernville, 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
2.8 (ml), micro
Local time
UTC
1971-08-24 00:52:53 UTC
Depth
1.7 km (1.0 mi), shallow
Epicenter
35.356° N, 118.471° 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 1.2 km horizontally, 2.8 km in depth
Magnitude uncertainty
±0.19
Depth from
From location
Station coverage gap
123°
Stations used
12

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 1 in the 30 days before it.

After

  1. 2.424km SSW of Bodfish, CA · 20113 days ago · 1 km deep · 8 km away
  2. 2.723km ENE of Arvin, CA · 20108 days ago · 1 km deep · 13 km away
  3. 2.622km ENE of Arvin, CA · 20108 days ago · 0 km deep · 14 km away
  4. 2.623km NNW of Tehachapi, CA · 20108 days ago · 1 km deep · 11 km away
  5. 3.023km N of Tehachapi, CA · 20102 days ago · 0 km deep · 2 km away
  6. 3.124km N of Tehachapi, CA · 20102 days ago · 6 km deep · 2 km away
  7. 3.218km SW of Little Lake, CA · 20095 days ago · 0 km deep · 64 km away
  8. 3.110km SE of Wofford Heights, CA · 20084 days ago · 0 km deep · 34 km away
  9. 2.98km NW of Grapevine, CA · 20074 days ago · 6 km deep · 61 km away
  10. 3.55km NW of Grapevine, CA · 20074 days ago · 6 km deep · 63 km away
  11. 3.513km ESE of Kernville, CA · 20065 days ago · 3 km deep · 40 km away

Before

  1. 3.318km NW of Wasco, CA · 20131 days ago · 6 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3321983. Read Mon, Sep 28, 2026, 7:24 AM UTC.