California earthquakes

M4.0 earthquake 3km WNW of Willowbrook, CA

A magnitude 4.0 earthquake struck 3km WNW of Willowbrook, CA on Tue, May 16, 1933, 12:58 PM GMT-8 (20:58 UTC), 6 km (4 mi) below the surface.

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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
4.0 (ml), minor
Local time
UTC
1933-05-16 20:58:56 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.929° N, 118.287° 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 2.0 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.18
Depth from
Operator assigned
Station coverage gap
154°
Stations used
6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 142 in the 60 days after this one and 56 in the 30 days before it.

After

  1. 1.92km NNE of Marina del Rey, CA · 34097 days ago · 6 km deep · 16 km away
  2. 1.84km SSW of Marina del Rey, CA · 34097 days ago · 6 km deep · 17 km away
  3. 1.95km SSW of Marina del Rey, CA · 34097 days ago · 6 km deep · 17 km away
  4. 1.92km S of Marina del Rey, CA · 34097 days ago · 6 km deep · 16 km away
  5. 1.76km SW of Marina del Rey, CA · 34097 days ago · 6 km deep · 19 km away
  6. 3.05km W of Signal Hill, CA · 34096 days ago · 6 km deep · 15 km away
  7. 1.73km SSW of Marina del Rey, CA · 34096 days ago · 6 km deep · 17 km away
  8. 3.42km ESE of Marina del Rey, CA · 34096 days ago · 6 km deep · 14 km away
  9. 2.13km WNW of El Segundo, CA · 34096 days ago · 6 km deep · 15 km away
  10. 2.33km NNE of Villa Park, CA · 34096 days ago · 6 km deep · 46 km away
  11. 1.82km NNW of March Air Reserve Base, CA · 34095 days ago · 6 km deep · 94 km away
  12. 2.712km SW of Lakeland Village, CA · 34095 days ago · 6 km deep · 91 km away
  13. 2.70km SSW of Santa Ana, CA · 34095 days ago · 6 km deep · 43 km away
  14. 2.22km ENE of Marina del Rey, CA · 34095 days ago · 6 km deep · 15 km away
  15. 1.94km NW of Signal Hill, CA · 34095 days ago · 6 km deep · 14 km away
  16. 2.22km W of Lakewood, CA · 34095 days ago · 6 km deep · 15 km away
  17. 2.64km W of Santa Paula, CA · 34095 days ago · 6 km deep · 89 km away
  18. 1.51km ESE of Rossmoor, CA · 34094 days ago · 6 km deep · 26 km away
  19. 2.72km SSE of Fountain Valley, CA · 34094 days ago · 6 km deep · 41 km away
  20. 2.03km W of Rossmoor, CA · 34094 days ago · 6 km deep · 22 km away
  21. 1.75km SSW of Compton, CA · 34094 days ago · 6 km deep · 9 km away
  22. 2.65km ESE of Costa Mesa, CA · 34094 days ago · 6 km deep · 50 km away
  23. 2.211km WNW of Lake Elsinore, CA · 34094 days ago · 6 km deep · 82 km away
  24. 2.111km ENE of Avalon, CA · 34093 days ago · 6 km deep · 61 km away
  25. 2.915km NNE of Avalon, CA · 34093 days ago · 6 km deep · 52 km away
  26. 2.132km SW of Dana Point, CA · 34093 days ago · 6 km deep · 80 km away
  27. 1.915km E of Lake Los Angeles, CA · 34093 days ago · 6 km deep · 94 km away
  28. 1.928km E of Avalon, CA · 34093 days ago · 6 km deep · 71 km away
  29. 2.52km SSW of Westminster, CA · 34093 days ago · 6 km deep · 33 km away
  30. 2.32km W of Los Alamitos, CA · 34093 days ago · 6 km deep · 23 km away
  31. 1.94km S of Newport Beach, CA · 34093 days ago · 6 km deep · 51 km away
  32. 3.111km WSW of Dana Point, CA · 34092 days ago · 6 km deep · 70 km away
  33. 2.42km WNW of Fountain Valley, CA · 34092 days ago · 6 km deep · 37 km away
  34. 1.92km NE of Long Beach, CA · 34092 days ago · 6 km deep · 18 km away
  35. 2.11km ESE of Cypress, CA · 34091 days ago · 6 km deep · 28 km away
  36. 2.44km S of Huntington Beach, CA · 34091 days ago · 6 km deep · 40 km away
  37. 2.61km ESE of Huntington Beach, CA · 34091 days ago · 6 km deep · 38 km away
  38. 2.64km NNW of Signal Hill, CA · 34090 days ago · 6 km deep · 14 km away
  39. 1.92km SSE of Fountain Valley, CA · 34090 days ago · 6 km deep · 41 km away
  40. 1.912km SW of Laguna Beach, CA · 34089 days ago · 6 km deep · 62 km away
  41. 1.73km SSW of Signal Hill, CA · 34089 days ago · 6 km deep · 19 km away
  42. 2.124km SSW of Newport Beach, CA · 34089 days ago · 6 km deep · 59 km away
  43. 2.82km WSW of Lakewood, CA · 34087 days ago · 6 km deep · 16 km away
  44. 1.910km NNE of Pinon Hills, CA · 34087 days ago · 6 km deep · 90 km away
  45. 3.00km WNW of Artesia, CA · 34087 days ago · 6 km deep · 20 km away
  46. 2.34km ESE of Lomita, CA · 34087 days ago · 6 km deep · 17 km away
  47. 3.628km S of Avalon, CA · 34086 days ago · 6 km deep · 93 km away
  48. 3.22km SSE of Seal Beach, CA · 34086 days ago · 6 km deep · 29 km away
  49. 2.58km NNW of Lytle Creek, CA · 34085 days ago · 6 km deep · 83 km away
  50. 2.11km ENE of Rossmoor, CA · 34084 days ago · 6 km deep · 25 km away
  51. 1.94km SSW of Marina del Rey, CA · 34084 days ago · 6 km deep · 17 km away
  52. 2.34km SSW of Marina del Rey, CA · 34083 days ago · 6 km deep · 17 km away
  53. 2.62km N of Long Beach, CA · 34082 days ago · 6 km deep · 17 km away
  54. 1.912km N of Pinon Hills, CA · 34082 days ago · 6 km deep · 90 km away
  55. 2.71km SSE of San Clemente, CA · 34082 days ago · 6 km deep · 85 km away
  56. 2.12km NW of Carson, CA · 34080 days ago · 6 km deep · 9 km away
  57. 2.15km W of Santa Monica, CA · 34080 days ago · 6 km deep · 26 km away
  58. 2.14km SSW of Westminster, CA · 34079 days ago · 6 km deep · 33 km away
  59. 2.82km NW of Signal Hill, CA · 34079 days ago · 6 km deep · 16 km away
  60. 2.04km W of Huntington Beach, CA · 34079 days ago · 6 km deep · 35 km away

The first 60 of 142.

Before

  1. 1.92km W of Garden Grove, CA · 34097 days ago · 6 km deep · 33 km away
  2. 1.66km ENE of Lake Los Angeles, CA · 34097 days ago · 6 km deep · 92 km away
  3. 1.74km NNE of Wrightwood, CA · 34097 days ago · 6 km deep · 80 km away
  4. 2.516km NW of Avalon, CA · 34098 days ago · 6 km deep · 58 km away
  5. 1.74km S of Long Beach, CA · 34098 days ago · 6 km deep · 22 km away
  6. 2.29km ENE of Avalon, CA · 34098 days ago · 6 km deep · 60 km away
  7. 2.12km S of Santa Ana, CA · 34098 days ago · 6 km deep · 44 km away
  8. 2.33km WSW of Costa Mesa, CA · 34098 days ago · 6 km deep · 43 km away
  9. 2.21km NW of Rossmoor, CA · 34099 days ago · 6 km deep · 24 km away
  10. 2.535km WNW of Avalon, CA · 34099 days ago · 6 km deep · 63 km away
  11. 2.714km SW of Laguna Beach, CA · 34099 days ago · 6 km deep · 62 km away
  12. 3.44km NE of Costa Mesa, CA · 34099 days ago · 6 km deep · 46 km away
  13. 2.41km WSW of Westminster, CA · 34099 days ago · 6 km deep · 32 km away
  14. 1.79km NW of Lake Elsinore, CA · 34099 days ago · 6 km deep · 85 km away
  15. 2.52km WNW of Rossmoor, CA · 34099 days ago · 6 km deep · 22 km away
  16. 2.16km SW of Laguna Niguel, CA · 34099 days ago · 6 km deep · 69 km away
  17. 2.65km SSW of Huntington Beach, CA · 34099 days ago · 6 km deep · 39 km away
  18. 1.62km WNW of Laguna Beach, CA · 34099 days ago · 6 km deep · 61 km away
  19. 2.43km SW of Westminster, CA · 34099 days ago · 6 km deep · 31 km away
  20. 2.22km NNE of Costa Mesa, CA · 34099 days ago · 6 km deep · 45 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3360604. Read Tue, Sep 22, 2026, 3:59 PM UTC.