California earthquakes

M4.2 earthquake 14km NNW of Grapevine, CA

A magnitude 4.2 earthquake struck 14km NNW of Grapevine, CA on Fri, Mar 2, 1956, 10:24 PM GMT-8 (06:24 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.4 18km 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
4.2 (ml), light
Local time
UTC
1956-03-03 06:24:14 UTC
Depth
7.8 km (4.8 mi), shallow
Epicenter
35.054° N, 119.007° 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 3.0 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
241°, poorly surrounded by stations
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: 15 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.824km ENE of Arvin, CA · 25769 days ago · 6 km deep · 48 km away
  2. 3.318km SSE of Arvin, CA · 25769 days ago · 10 km deep · 22 km away
  3. 2.99km NE of Pine Mountain Club, CA · 25767 days ago · 6 km deep · 18 km away
  4. 3.026km SW of Bodfish, CA · 25764 days ago · 6 km deep · 50 km away
  5. 2.92km NNW of Grapevine, CA · 25763 days ago · 0 km deep · 12 km away
  6. 3.018km NE of Lebec, CA · 25762 days ago · 2 km deep · 27 km away
  7. 2.79km NNE of Castaic, CA · 25760 days ago · 6 km deep · 68 km away
  8. 4.418km NW of Grapevine, CA · 25750 days ago · 0 km deep · 4 km away
  9. 3.120km SW of Lamont, CA · 25750 days ago · 1 km deep · 9 km away
  10. 3.722km N of Tehachapi, CA · 25742 days ago · 3 km deep · 57 km away
  11. 3.310km W of Tehachapi, CA · 25740 days ago · 6 km deep · 42 km away
  12. 3.424km NE of Arvin, CA · 25731 days ago · 6 km deep · 48 km away
  13. 2.814km S of Arvin, CA · 25728 days ago · 2 km deep · 17 km away
  14. 2.93km NE of Lake Isabella, CA · 25727 days ago · 3 km deep · 82 km away
  15. 3.18km N of Lamont, CA · 25726 days ago · 6 km deep · 32 km away

Before

  1. 1.914km SSW of Arvin, CA · 25793 days ago · 6 km deep · 10 km away
  2. 2.23km NE of Fillmore, CA · 25794 days ago · 6 km deep · 71 km away
  3. 2.626km NE of Lamont, CA · 25794 days ago · 6 km deep · 49 km away
  4. 2.39km WNW of Castaic, CA · 25795 days ago · 6 km deep · 65 km away
  5. 4.410km N of Castaic, CA · 25795 days ago · 6 km deep · 65 km away
  6. 4.08km N of Castaic, CA · 25795 days ago · 6 km deep · 65 km away
  7. 3.020km E of Oildale, CA · 25796 days ago · 6 km deep · 45 km away
  8. 2.825km SW of Bodfish, CA · 25796 days ago · 6 km deep · 51 km away
  9. 2.626km SW of Bodfish, CA · 25796 days ago · 6 km deep · 50 km away
  10. 2.824km NNW of Tehachapi, CA · 25797 days ago · 6 km deep · 52 km away
  11. 2.526km NNW of Tehachapi, CA · 25799 days ago · 6 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3297693. Read Tue, Sep 22, 2026, 12:19 PM UTC.