California earthquakes

M2.6 earthquake 1km SSW of Norco, CA

A magnitude 2.6 earthquake struck 1km SSW of Norco, CA on Wed, Nov 15, 1933, 8:53 AM GMT-8 (16:53 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.6 7km ESE of San Pedro, CA. This one was a foreshock.

Norco 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
2.6 (ml), micro
Local time
UTC
1933-11-15 16:53:06 UTC
Depth
6.0 km (3.7 mi), shallow
Epicenter
33.922° N, 117.555° 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 2.3 km horizontally, 31.6 km in depth
Magnitude uncertainty
±0.16
Depth from
Operator assigned
Station coverage gap
231°, poorly surrounded by stations
Stations used
3

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 51 in the 30 days before it.

After

  1. 2.67km ESE of San Pedro, CA · 33913 days ago · 6 km deep · 66 km away
  2. 2.03km SE of Norco, CA · 33913 days ago · 6 km deep · 3 km away
  3. 2.55km SW of Westminster, CA · 33913 days ago · 6 km deep · 50 km away
  4. 2.321km SW of Laguna Beach, CA · 33913 days ago · 6 km deep · 68 km away
  5. 2.711km ESE of Avalon, CA · 33911 days ago · 6 km deep · 90 km away
  6. 2.37km ESE of San Pedro, CA · 33910 days ago · 6 km deep · 66 km away
  7. 2.36km ENE of San Pedro, CA · 33910 days ago · 6 km deep · 65 km away
  8. 3.53km S of Rossmoor, CA · 33909 days ago · 6 km deep · 52 km away
  9. 2.00km NE of Rossmoor, CA · 33909 days ago · 6 km deep · 51 km away
  10. 1.917km SSW of Newport Beach, CA · 33909 days ago · 6 km deep · 65 km away
  11. 2.26km SE of San Pedro, CA · 33909 days ago · 6 km deep · 70 km away
  12. 3.52km SSW of Lakewood, CA · 33909 days ago · 6 km deep · 55 km away
  13. 2.76km E of San Pedro, CA · 33909 days ago · 6 km deep · 65 km away
  14. 2.52km ENE of San Pedro, CA · 33909 days ago · 6 km deep · 69 km away
  15. 2.02km NW of San Pedro, CA · 33909 days ago · 6 km deep · 72 km away
  16. 1.87km SW of Seal Beach, CA · 33908 days ago · 6 km deep · 61 km away
  17. 2.27km E of San Pedro, CA · 33908 days ago · 6 km deep · 65 km away
  18. 2.71km WSW of Los Alamitos, CA · 33908 days ago · 6 km deep · 51 km away
  19. 2.712km NW of Warner Springs, CA · 33908 days ago · 6 km deep · 99 km away
  20. 1.56km ENE of San Pedro, CA · 33907 days ago · 6 km deep · 65 km away
  21. 2.04km E of Carson, CA · 33906 days ago · 6 km deep · 64 km away
  22. 2.48km ESE of Cabazon, CA · 33906 days ago · 6 km deep · 79 km away
  23. 2.22km SW of Lakewood, CA · 33905 days ago · 6 km deep · 55 km away
  24. 1.63km SE of Los Alamitos, CA · 33903 days ago · 6 km deep · 48 km away
  25. 2.67km SSW of Banning, CA · 33901 days ago · 6 km deep · 61 km away
  26. 1.916km NNE of Victorville, CA · 33898 days ago · 6 km deep · 89 km away
  27. 2.113km SSW of Dana Point, CA · 33897 days ago · 6 km deep · 66 km away
  28. 2.010km ENE of Aguanga, CA · 33896 days ago · 6 km deep · 88 km away
  29. 2.42km NW of Seal Beach, CA · 33896 days ago · 6 km deep · 55 km away
  30. 1.94km E of San Pedro, CA · 33895 days ago · 6 km deep · 68 km away
  31. 3.33km NNE of Cabazon, CA · 33893 days ago · 6 km deep · 72 km away
  32. 1.83km SSW of Dana Point, CA · 33889 days ago · 6 km deep · 55 km away
  33. 2.11km N of Rolling Hills Estates, CA · 33885 days ago · 6 km deep · 75 km away
  34. 2.74km WSW of Signal Hill, CA · 33884 days ago · 6 km deep · 62 km away
  35. 2.83km WNW of Huntington Beach, CA · 33884 days ago · 6 km deep · 50 km away
  36. 1.62km SSE of Glendora, CA · 33881 days ago · 6 km deep · 36 km away
  37. 1.97km SW of Huntington Beach, CA · 33880 days ago · 6 km deep · 55 km away
  38. 1.82km W of Rossmoor, CA · 33879 days ago · 6 km deep · 54 km away
  39. 1.93km W of Hawaiian Gardens, CA · 33878 days ago · 6 km deep · 52 km away
  40. 2.514km SW of Laguna Beach, CA · 33876 days ago · 6 km deep · 60 km away
  41. 2.18km S of Chino, CA · 33874 days ago · 6 km deep · 13 km away
  42. 2.56km E of Rancho Cucamonga, CA · 33872 days ago · 6 km deep · 24 km away
  43. 2.73km WSW of Signal Hill, CA · 33872 days ago · 6 km deep · 61 km away
  44. 2.21km SE of Fountain Valley, CA · 33872 days ago · 6 km deep · 44 km away
  45. 2.42km ESE of Seal Beach, CA · 33870 days ago · 6 km deep · 53 km away
  46. 2.44km W of Costa Mesa, CA · 33870 days ago · 6 km deep · 47 km away
  47. 2.43km NE of Stanton, CA · 33870 days ago · 6 km deep · 40 km away
  48. 1.616km SSW of Llano, CA · 33870 days ago · 8 km deep · 55 km away
  49. 3.62km WSW of Signal Hill, CA · 33869 days ago · 6 km deep · 60 km away
  50. 1.72km W of Laguna Niguel, CA · 33868 days ago · 6 km deep · 47 km away
  51. 2.718km SSW of San Pedro, CA · 33867 days ago · 6 km deep · 82 km away
  52. 2.114km SSW of San Pedro, CA · 33867 days ago · 6 km deep · 81 km away
  53. 2.13km SE of Huntington Beach, CA · 33865 days ago · 6 km deep · 47 km away
  54. 2.25km SSW of Corona, CA · 33865 days ago · 6 km deep · 11 km away
  55. 2.05km WNW of Laguna Beach, CA · 33865 days ago · 6 km deep · 48 km away
  56. 2.08km SSW of San Pedro, CA · 33864 days ago · 6 km deep · 76 km away
  57. 3.21km N of South Gate, CA · 33863 days ago · 7 km deep · 61 km away
  58. 2.825km ESE of Avalon, CA · 33862 days ago · 6 km deep · 91 km away
  59. 2.04km ENE of Norco, CA · 33862 days ago · 6 km deep · 5 km away
  60. 2.16km W of Huntington Beach, CA · 33861 days ago · 6 km deep · 54 km away

The first 60 of 78.

Before

  1. 2.12km S of Mira Loma, CA · 33914 days ago · 6 km deep · 6 km away
  2. 2.03km SW of Mira Loma, CA · 33914 days ago · 6 km deep · 6 km away
  3. 2.02km NNE of Corona, CA · 33915 days ago · 6 km deep · 4 km away
  4. 2.04km NW of Norco, CA · 33915 days ago · 6 km deep · 4 km away
  5. 2.46km SW of Mead Valley, CA · 33915 days ago · 6 km deep · 24 km away
  6. 2.44km WNW of Victorville, CA · 33916 days ago · 6 km deep · 73 km away
  7. 3.64km WSW of Signal Hill, CA · 33916 days ago · 6 km deep · 62 km away
  8. 2.58km E of San Pedro, CA · 33917 days ago · 6 km deep · 64 km away
  9. 2.52km WSW of Seal Beach, CA · 33917 days ago · 6 km deep · 57 km away
  10. 2.33km WNW of Signal Hill, CA · 33917 days ago · 6 km deep · 60 km away
  11. 2.52km WNW of Westminster, CA · 33917 days ago · 6 km deep · 47 km away
  12. 1.811km WSW of Pinon Hills, CA · 33921 days ago · 6 km deep · 55 km away
  13. 2.72km NE of San Clemente, CA · 33922 days ago · 6 km deep · 54 km away
  14. 2.04km S of Fontana, CA · 33922 days ago · 6 km deep · 18 km away
  15. 2.29km NNW of Camp Pendleton South, CA · 33922 days ago · 6 km deep · 70 km away
  16. 2.12km ENE of Manhattan Beach, CA · 33923 days ago · 6 km deep · 77 km away
  17. 2.414km NNW of Aguanga, CA · 33925 days ago · 6 km deep · 72 km away
  18. 2.31km N of Signal Hill, CA · 33927 days ago · 6 km deep · 58 km away
  19. 2.73km NNE of Signal Hill, CA · 33929 days ago · 6 km deep · 57 km away
  20. 2.18km ESE of Temecula, CA · 33930 days ago · 6 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3361663. Read Tue, Sep 22, 2026, 7:40 PM UTC.