California earthquakes

M3.0 earthquake 21km NW of Tehachapi, CA

A magnitude 3.0 earthquake struck 21km NW of Tehachapi, CA on Sun, Apr 21, 1968, 12:22 PM GMT-8 (20:22 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.2 19km 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
3.0 (ml), minor
Local time
UTC
1968-04-21 20:22:52 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.268° N, 118.604° 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 1.5 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
158°
Stations used
10

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 3 in the 30 days before it.

After

  1. 2.910km W of Tehachapi, CA · 21330 days ago · 6 km deep · 15 km away
  2. 3.219km NW of Grapevine, CA · 21320 days ago · 6 km deep · 51 km away
  3. 2.120km NW of Tehachapi, CA · 21308 days ago · 6 km deep · 3 km away
  4. 2.718km ENE of Arvin, CA · 21308 days ago · 6 km deep · 4 km away
  5. 2.63km SSE of Valencia, CA · 21305 days ago · 6 km deep · 93 km away
  6. 3.923km NNW of Tehachapi, CA · 21300 days ago · 6 km deep · 10 km away
  7. 3.622km NNW of Tehachapi, CA · 21300 days ago · 6 km deep · 11 km away
  8. 2.216km SSW of Neenach, CA · 21292 days ago · 2 km deep · 68 km away
  9. 2.218km W of Johannesburg, CA · 21286 days ago · 6 km deep · 71 km away
  10. 2.318km W of Johannesburg, CA · 21286 days ago · 6 km deep · 72 km away
  11. 2.725km NNW of Tehachapi, CA · 21281 days ago · 6 km deep · 10 km away

Before

  1. 3.026km NNW of Tehachapi, CA · 21348 days ago · 6 km deep · 12 km away
  2. 2.712km NW of Grapevine, CA · 21353 days ago · 2 km deep · 47 km away
  3. 3.09km W of Grapevine, CA · 21355 days ago · 11 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3328912. Read Tue, Sep 22, 2026, 9:35 AM UTC.