California earthquakes

M3.6 earthquake 2km S of Westminster, CA

A magnitude 3.6 earthquake struck 2km S of Westminster, CA on Sun, Mar 12, 1933, 8:52 AM GMT-8 (16:52 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M4.5 2 km ENE of Seal Beach, California. 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
3.6 (ml), minor
Local time
UTC
1933-03-12 16:52:12 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.745° N, 118.004° 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 1.1 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.01
Depth from
Operator assigned
Station coverage gap
197°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 148 in the 60 days after this one and 50 in the 30 days before it.

After

  1. 4.52 km ENE of Seal Beach, California · 34162 days ago · 16 km deep · 7 km away
  2. 4.19km WSW of Laguna Beach, CA · 34162 days ago · 6 km deep · 30 km away
  3. 3.81km SSW of Westminster, CA · 34162 days ago · 6 km deep · 1 km away
  4. 3.94km E of Seal Beach, CA · 34162 days ago · 6 km deep · 5 km away
  5. 4.16km S of Signal Hill, CA · 34162 days ago · 6 km deep · 16 km away
  6. 3.53km SSW of Fountain Valley, CA · 34162 days ago · 6 km deep · 8 km away
  7. 3.89km S of Newport Beach, CA · 34162 days ago · 6 km deep · 24 km away
  8. 3.61km SE of Huntington Beach, CA · 34162 days ago · 6 km deep · 6 km away
  9. 4.03km SE of Huntington Beach, CA · 34162 days ago · 8 km deep · 8 km away
  10. 4.52 km ENE of Seal Beach, California · 34162 days ago · 16 km deep · 7 km away
  11. 4.32km W of Fountain Valley, CA · 34162 days ago · 4 km deep · 4 km away
  12. 3.71km SE of Cypress, CA · 34162 days ago · 6 km deep · 8 km away
  13. 4.72 km ENE of Seal Beach, California · 34162 days ago · 16 km deep · 7 km away
  14. 4.42km NNW of Signal Hill, CA · 34162 days ago · 6 km deep · 18 km away
  15. 3.43km NW of Torrance, CA · 34162 days ago · 6 km deep · 35 km away
  16. 3.42km SSW of Lakewood, CA · 34162 days ago · 6 km deep · 16 km away
  17. 3.83km SE of Westminster, CA · 34162 days ago · 6 km deep · 2 km away
  18. 4.82km SSE of Westminster, CA · 34161 days ago · 6 km deep · 1 km away
  19. 2.92km ENE of Seal Beach, CA · 34161 days ago · 6 km deep · 7 km away
  20. 4.16km SSW of Signal Hill, CA · 34161 days ago · 5 km deep · 17 km away
  21. 3.324km SSW of Newport Beach, CA · 34161 days ago · 6 km deep · 38 km away
  22. 4.16km SSE of Seal Beach, CA · 34161 days ago · 6 km deep · 10 km away
  23. 4.52 km ENE of Seal Beach, California · 34160 days ago · 16 km deep · 7 km away
  24. 4.45km SE of Seal Beach, CA · 34160 days ago · 6 km deep · 7 km away
  25. 3.56km WSW of Laguna Beach, CA · 34160 days ago · 6 km deep · 28 km away
  26. 3.46km W of Laguna Beach, CA · 34160 days ago · 6 km deep · 28 km away
  27. 4.82km WSW of Huntington Beach, CA · 34160 days ago · 8 km deep · 7 km away
  28. 3.46km W of Laguna Beach, CA · 34160 days ago · 6 km deep · 28 km away
  29. 3.924km SSW of Newport Beach, CA · 34160 days ago · 6 km deep · 38 km away
  30. 3.84km E of Long Beach, CA · 34160 days ago · 6 km deep · 12 km away
  31. 4.04km S of Signal Hill, CA · 34160 days ago · 6 km deep · 16 km away
  32. 4.04km WNW of Huntington Beach, CA · 34160 days ago · 6 km deep · 5 km away
  33. 3.46km W of Laguna Beach, CA · 34160 days ago · 6 km deep · 28 km away
  34. 4.14km SW of Signal Hill, CA · 34160 days ago · 6 km deep · 18 km away
  35. 3.49km WSW of Laguna Beach, CA · 34160 days ago · 6 km deep · 29 km away
  36. 4.72km N of Huntington Beach, CA · 34159 days ago · 6 km deep · 3 km away
  37. 3.46km W of Laguna Beach, CA · 34158 days ago · 6 km deep · 28 km away
  38. 4.26km W of Laguna Beach, CA · 34158 days ago · 6 km deep · 28 km away
  39. 4.12km ENE of Seal Beach, CA · 34158 days ago · 6 km deep · 7 km away
  40. 3.85km S of Signal Hill, CA · 34157 days ago · 6 km deep · 15 km away
  41. 4.215km WSW of Laguna Beach, CA · 34156 days ago · 6 km deep · 31 km away
  42. 3.44km W of Lakewood, CA · 34156 days ago · 6 km deep · 19 km away
  43. 3.92km SSE of Paramount, CA · 34155 days ago · 6 km deep · 20 km away
  44. 4.03km W of Lakewood, CA · 34154 days ago · 6 km deep · 20 km away
  45. 4.03km SW of Lakewood, CA · 34154 days ago · 6 km deep · 18 km away
  46. 3.59km SW of San Clemente, CA · 34154 days ago · 6 km deep · 50 km away
  47. 3.24km SSW of Westminster, CA · 34154 days ago · 6 km deep · 3 km away
  48. 3.30km WSW of Lakewood, CA · 34152 days ago · 6 km deep · 17 km away
  49. 4.122km NE of Avalon, CA · 34152 days ago · 6 km deep · 32 km away
  50. 3.63km N of Signal Hill, CA · 34151 days ago · 6 km deep · 18 km away
  51. 3.83km N of Signal Hill, CA · 34151 days ago · 6 km deep · 18 km away
  52. 3.41km SE of Lakewood, CA · 34151 days ago · 6 km deep · 16 km away
  53. 3.512km ESE of San Clemente, CA · 34150 days ago · 6 km deep · 62 km away
  54. 4.17km SW of Dana Point, CA · 34149 days ago · 6 km deep · 43 km away
  55. 4.35km NW of Signal Hill, CA · 34144 days ago · 6 km deep · 22 km away
  56. 3.95km ESE of Carson, CA · 34144 days ago · 6 km deep · 22 km away
  57. 4.213km SW of Newport Beach, CA · 34143 days ago · 6 km deep · 22 km away
  58. 3.418km ENE of Avalon, CA · 34142 days ago · 6 km deep · 38 km away
  59. 3.72km ENE of Seal Beach, CA · 34142 days ago · 6 km deep · 7 km away
  60. 3.25km SW of Newport Beach, CA · 34142 days ago · 6 km deep · 18 km away

The first 60 of 148.

Before

  1. 3.32km ENE of Seal Beach, CA · 34162 days ago · 6 km deep · 7 km away
  2. 4.00km NE of Fountain Valley, CA · 34162 days ago · 6 km deep · 6 km away
  3. 3.41km SE of La Palma, CA · 34162 days ago · 4 km deep · 11 km away
  4. 3.31km SW of Lakewood, CA · 34163 days ago · 6 km deep · 17 km away
  5. 3.93km SSW of Fountain Valley, CA · 34163 days ago · 6 km deep · 8 km away
  6. 3.33km WSW of Santa Ana, CA · 34163 days ago · 6 km deep · 9 km away
  7. 3.31km NNW of Signal Hill, CA · 34163 days ago · 4 km deep · 17 km away
  8. 4.13km ENE of Long Beach, CA · 34163 days ago · 3 km deep · 14 km away
  9. 4.62 km ENE of Seal Beach, California · 34163 days ago · 16 km deep · 7 km away
  10. 4.01km WSW of Rossmoor, CA · 34163 days ago · 6 km deep · 9 km away
  11. 3.90km NE of Long Beach, CA · 34163 days ago · 6 km deep · 16 km away
  12. 3.53km NW of Fountain Valley, CA · 34163 days ago · 6 km deep · 3 km away
  13. 3.42km W of Rossmoor, CA · 34163 days ago · 6 km deep · 11 km away
  14. 3.34km SW of Westminster, CA · 34163 days ago · 6 km deep · 3 km away
  15. 3.52km SSE of Westminster, CA · 34163 days ago · 6 km deep · 1 km away
  16. 4.22km NNW of Huntington Beach, CA · 34163 days ago · 6 km deep · 4 km away
  17. 4.02km SSW of Westminster, CA · 34163 days ago · 6 km deep · 1 km away
  18. 3.33km S of Lakewood, CA · 34163 days ago · 6 km deep · 14 km away
  19. 3.95km SSE of Santa Ana, CA · 34163 days ago · 6 km deep · 15 km away
  20. 3.92km ENE of Seal Beach, CA · 34163 days ago · 6 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3359902. Read Tue, Sep 22, 2026, 10:35 PM UTC.