California earthquakes

M4.3 earthquake 9km WSW of Grapevine, CA

A magnitude 4.3 earthquake struck 9km WSW of Grapevine, CA on Wed, Aug 20, 1952, 1:47 AM GMT-7 (08:47 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M5.5 The 1952 Bakersfield, California Earthquake. This one was a foreshock.

Lake of the Woods 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
4.3 (ml), light
Local time
UTC
1952-08-20 08:47:46 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
34.897° N, 119.014° 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 1.4 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
162°
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: 41 in the 60 days after this one and 157 in the 30 days before it.

After

  1. 5.5The 1952 Bakersfield, California Earthquake · 27059 days ago · 6 km deep · 51 km away
  2. 4.318km ENE of Grapevine, CA · 27058 days ago · 6 km deep · 27 km away
  3. 4.85km NNE of Acton, CA · 27058 days ago · 6 km deep · 88 km away
  4. 2.89km NNW of Acton, CA · 27058 days ago · 6 km deep · 82 km away
  5. 2.26km NNW of Acton, CA · 27058 days ago · 6 km deep · 84 km away
  6. 3.64km NW of Grapevine, CA · 27057 days ago · 6 km deep · 9 km away
  7. 4.713km N of Grapevine, CA · 27056 days ago · 6 km deep · 19 km away
  8. 4.59km SSE of Tehachapi, CA · 27055 days ago · 6 km deep · 58 km away
  9. 3.824km S of Bodfish, CA · 27053 days ago · 6 km deep · 69 km away
  10. 4.721km N of Tehachapi, CA · 27052 days ago · 0 km deep · 67 km away
  11. 3.922km NNW of Tehachapi, CA · 27052 days ago · 0 km deep · 67 km away
  12. 3.819km SW of Bodfish, CA · 27052 days ago · 6 km deep · 71 km away
  13. 3.45km WSW of Carpinteria, CA · 27051 days ago · 12 km deep · 77 km away
  14. 4.06km ENE of Lamont, CA · 27049 days ago · 6 km deep · 45 km away
  15. 3.83km NW of Lamont, CA · 27048 days ago · 6 km deep · 43 km away
  16. 4.619km SE of Arvin, CA · 27048 days ago · 6 km deep · 34 km away
  17. 4.020km NNW of Tehachapi, CA · 27048 days ago · 6 km deep · 62 km away
  18. 4.77km SW of Grapevine, CA · 27048 days ago · 6 km deep · 3 km away
  19. 3.224km NNW of Tehachapi, CA · 27046 days ago · 6 km deep · 65 km away
  20. 3.222km NNW of Tehachapi, CA · 27046 days ago · 6 km deep · 65 km away
  21. 4.419km N of Tehachapi, CA · 27046 days ago · 6 km deep · 67 km away
  22. 4.415km WNW of Grapevine, CA · 27038 days ago · 5 km deep · 11 km away
  23. 2.922km NNW of Santa Cruz Is. (E end), CA · 27038 days ago · 3 km deep · 95 km away
  24. 4.018km WNW of Tehachapi, CA · 27036 days ago · 5 km deep · 51 km away
  25. 3.822km N of Tehachapi, CA · 27036 days ago · 8 km deep · 68 km away
  26. 3.425km SSW of Bodfish, CA · 27034 days ago · 2 km deep · 65 km away
  27. 3.825km SSW of Bodfish, CA · 27034 days ago · 0 km deep · 66 km away
  28. 4.027km NE of Arvin, CA · 27034 days ago · 0 km deep · 64 km away
  29. 4.326km NE of Arvin, CA · 27034 days ago · 2 km deep · 63 km away
  30. 3.526km SSW of Bodfish, CA · 27034 days ago · 3 km deep · 65 km away
  31. 3.325km SSW of Bodfish, CA · 27034 days ago · 5 km deep · 67 km away
  32. 3.519km NNW of Tehachapi, CA · 27030 days ago · 1 km deep · 64 km away
  33. 4.026km SSW of Bodfish, CA · 27028 days ago · 10 km deep · 64 km away
  34. 4.013km NNE of Grapevine, CA · 27025 days ago · 8 km deep · 21 km away
  35. 3.916km SSE of Arvin, CA · 27025 days ago · 6 km deep · 32 km away
  36. 4.016km W of Tehachapi, CA · 27024 days ago · 6 km deep · 44 km away
  37. 4.124km SW of Bodfish, CA · 27018 days ago · 0 km deep · 67 km away
  38. 3.67km SE of Arvin, CA · 27014 days ago · 6 km deep · 38 km away
  39. 3.525km S of Bodfish, CA · 27007 days ago · 6 km deep · 71 km away
  40. 4.013km NNE of Lamont, CA · 27007 days ago · 6 km deep · 54 km away
  41. 4.33km WNW of Grapevine, CA · 27004 days ago · 6 km deep · 8 km away

Before

  1. 4.415km ESE of Maricopa, CA · 27062 days ago · 6 km deep · 25 km away
  2. 3.821km NW of Tehachapi, CA · 27062 days ago · 6 km deep · 58 km away
  3. 3.911km ENE of Grapevine, CA · 27063 days ago · 5 km deep · 21 km away
  4. 4.717km NW of Grapevine, CA · 27064 days ago · 13 km deep · 16 km away
  5. 4.211km NE of Grapevine, CA · 27064 days ago · 0 km deep · 20 km away
  6. 3.912km NNW of Grapevine, CA · 27064 days ago · 0 km deep · 15 km away
  7. 4.010km NNW of Grapevine, CA · 27064 days ago · 0 km deep · 15 km away
  8. 3.910km N of Grapevine, CA · 27064 days ago · 6 km deep · 16 km away
  9. 3.810km W of Tehachapi, CA · 27065 days ago · 6 km deep · 50 km away
  10. 4.111km NNE of Grapevine, CA · 27067 days ago · 6 km deep · 19 km away
  11. 4.36km WSW of Tehachapi, CA · 27067 days ago · 6 km deep · 52 km away
  12. 4.216km NNW of Tehachapi, CA · 27068 days ago · 1 km deep · 60 km away
  13. 4.719km SE of Arvin, CA · 27068 days ago · 6 km deep · 37 km away
  14. 4.617km N of Tehachapi, CA · 27069 days ago · 0 km deep · 69 km away
  15. 4.425km SSW of Bodfish, CA · 27070 days ago · 1 km deep · 67 km away
  16. 4.211km NW of Grapevine, CA · 27071 days ago · 6 km deep · 13 km away
  17. 4.621km N of Tehachapi, CA · 27071 days ago · 1 km deep · 70 km away
  18. 4.025km NNW of Tehachapi, CA · 27071 days ago · 2 km deep · 66 km away
  19. 4.219km N of Tehachapi, CA · 27072 days ago · 1 km deep · 66 km away
  20. 3.923km ENE of Arvin, CA · 27074 days ago · 6 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3306672. Read Tue, Sep 22, 2026, 4:53 PM UTC.