California earthquakes

M3.3 earthquake 10km S of Tehachapi, CA

A magnitude 3.3 earthquake struck 10km S of Tehachapi, CA on Wed, Jul 24, 1963, 3:50 AM GMT-7 (10:50 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 17km SSE of Arvin, CA. This one was a foreshock.

Tehachapi 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
3.3 (ml), minor
Local time
UTC
1963-07-24 10:50:02 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.045° N, 118.428° 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, 31.6 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
81°
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: 12 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 3.125km NNW of Tehachapi, CA · 23058 days ago · 6 km deep · 35 km away
  2. 2.712km S of Maricopa, CA · 23043 days ago · 6 km deep · 90 km away
  3. 2.43km S of Granada Hills, CA · 23039 days ago · 4 km deep · 89 km away
  4. 3.317km SSE of Arvin, CA · 23033 days ago · 8 km deep · 30 km away
  5. 3.026km SSW of Bodfish, CA · 23032 days ago · 6 km deep · 38 km away
  6. 3.619km SW of Little Lake, CA · 23019 days ago · 6 km deep · 91 km away
  7. 3.419km SW of Little Lake, CA · 23018 days ago · 6 km deep · 91 km away
  8. 4.924km WNW of Inyokern, CA · 23017 days ago · 6 km deep · 86 km away
  9. 2.12km E of Granada Hills, CA · 23016 days ago · 0 km deep · 86 km away
  10. 2.46km NNW of Pacoima, CA · 23016 days ago · 0 km deep · 79 km away
  11. 2.21km SW of Granada Hills, CA · 23016 days ago · 0 km deep · 87 km away
  12. 3.218km WNW of Johannesburg, CA · 23012 days ago · 6 km deep · 69 km away

Before

  1. 2.619km NNW of Tehachapi, CA · 23078 days ago · 6 km deep · 28 km away
  2. 2.07km SSE of Pearblossum, CA · 23088 days ago · 0 km deep · 83 km away
  3. 2.715km SW of Arvin, CA · 23099 days ago · 0 km deep · 49 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3331304. Read Tue, Sep 22, 2026, 10:16 AM UTC.