California earthquakes

M2.7 earthquake 18km NW of Grapevine, CA

A magnitude 2.7 earthquake struck 18km NW of Grapevine, CA on Tue, Nov 20, 1956, 10:30 PM GMT-8 (06:30 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.9 24km SSW of Bodfish, 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
2.7 (ml), micro
Local time
UTC
1956-11-21 06:30:44 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
35.068° N, 119.051° 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
±0.09
Depth from
Operator assigned
Station coverage gap
152°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 2.924km SSW of Bodfish, CA · 25506 days ago · 6 km deep · 57 km away
  2. 2.824km SSW of Bodfish, CA · 25504 days ago · 6 km deep · 54 km away
  3. 2.814km ENE of Arvin, CA · 25500 days ago · 6 km deep · 39 km away
  4. 2.24km NNW of Grapevine, CA · 25498 days ago · 6 km deep · 14 km away
  5. 3.215km W of Tehachapi, CA · 25489 days ago · 6 km deep · 40 km away
  6. 2.813km SW of Arvin, CA · 25483 days ago · 6 km deep · 13 km away
  7. 3.219km ENE of Arvin, CA · 25482 days ago · 6 km deep · 44 km away
  8. 2.88km NNE of Grapevine, CA · 25467 days ago · 0 km deep · 14 km away
  9. 3.619km SE of Bodfish, CA · 25466 days ago · 0 km deep · 76 km away

Before

  1. 3.026km SSW of Bodfish, CA · 25518 days ago · 6 km deep · 55 km away
  2. 3.125km SW of Bodfish, CA · 25520 days ago · 6 km deep · 52 km away
  3. 3.326km NNW of Tehachapi, CA · 25521 days ago · 6 km deep · 54 km away
  4. 2.415km SSW of Arvin, CA · 25523 days ago · 1 km deep · 14 km away
  5. 2.827km NE of Arvin, CA · 25525 days ago · 6 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3295901. Read Tue, Sep 22, 2026, 12:18 PM UTC.