California earthquakes

M1.7 earthquake 13km NW of Ludlow, California

A magnitude 1.7 earthquake struck 13km NW of Ludlow, California on Sun, Sep 29, 2002, 9:43 PM PDT (04:43 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.8 13km NW of Ludlow, CA. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.7 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-09-30 04:43:49 UTC
Depth
6.5 km (4.1 mi), shallow
Epicenter
34.803° N, 116.267° 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 0.7 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
139°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 185 in the 60 days after this one and 72 in the 30 days before it.

After

  1. 1.611km NE of Cabazon, CA · 8770 days ago · 13 km deep · 100 km away
  2. 1.940km ENE of Lucerne Valley, CA · 8770 days ago · 8 km deep · 36 km away
  3. 2.413km E of Desert Hot Springs, CA · 8769 days ago · 7 km deep · 96 km away
  4. 2.116km SW of Ludlow, CA · 8769 days ago · 3 km deep · 21 km away
  5. 2.516km SW of Ludlow, CA · 8769 days ago · 3 km deep · 21 km away
  6. 1.527km N of Yucca Valley, CA · 8768 days ago · 7 km deep · 54 km away
  7. 3.413km W of Ludlow, CA · 8766 days ago · 2 km deep · 11 km away
  8. 1.812km W of Ludlow, California · 8766 days ago · 3 km deep · 10 km away
  9. 1.96km NNW of Big Bear City, CA · 8766 days ago · 2 km deep · 77 km away
  10. 3.312km W of Ludlow, CA · 8766 days ago · 5 km deep · 10 km away
  11. 1.612km W of Ludlow, CA · 8765 days ago · 3 km deep · 10 km away
  12. 2.711km W of Ludlow, CA · 8765 days ago · 9 km deep · 10 km away
  13. 1.812km W of Ludlow, CA · 8765 days ago · 5 km deep · 10 km away
  14. 1.925km WNW of Ludlow, CA · 8765 days ago · 6 km deep · 13 km away
  15. 1.725km WNW of Ludlow, CA · 8765 days ago · 6 km deep · 13 km away
  16. 1.612km W of Ludlow, CA · 8765 days ago · 4 km deep · 12 km away
  17. 2.212km W of Ludlow, CA · 8765 days ago · 5 km deep · 10 km away
  18. 2.29km ENE of Barstow, CA · 8765 days ago · 3 km deep · 62 km away
  19. 1.535km ENE of Lucerne Valley, CA · 8765 days ago · 5 km deep · 40 km away
  20. 1.925km WNW of Ludlow, CA · 8764 days ago · 6 km deep · 13 km away
  21. 1.610km S of Big Bear City, CA · 8764 days ago · 7 km deep · 87 km away
  22. 2.26km SE of Big Bear Lake, CA · 8763 days ago · 5 km deep · 86 km away
  23. 1.836km ENE of Lucerne Valley, California · 8763 days ago · 7 km deep · 39 km away
  24. 2.335km NE of Lucerne Valley, CA · 8763 days ago · 4 km deep · 41 km away
  25. 1.510km NNW of Big Bear Lake, CA · 8763 days ago · -2 km deep · 81 km away
  26. 1.626km N of Yucca Valley, CA · 8763 days ago · 4 km deep · 54 km away
  27. 1.513km W of Ludlow, California · 8763 days ago · 2 km deep · 12 km away
  28. 1.612km W of Ludlow, California · 8763 days ago · 3 km deep · 11 km away
  29. 1.824km N of Yucca Valley, CA · 8762 days ago · 2 km deep · 56 km away
  30. 1.628km NW of Ludlow, CA · 8762 days ago · 3 km deep · 15 km away
  31. 2.612km WSW of Ludlow, CA · 8761 days ago · 3 km deep · 15 km away
  32. 2.66km NW of Big Bear City, CA · 8761 days ago · 6 km deep · 79 km away
  33. 1.65km NW of Big Bear City, CA · 8761 days ago · 5 km deep · 80 km away
  34. 1.95km NW of Big Bear City, CA · 8760 days ago · 6 km deep · 80 km away
  35. 2.519km ENE of Big Bear City, CA · 8760 days ago · 3 km deep · 64 km away
  36. 1.66km SE of Big Bear Lake, CA · 8760 days ago · 3 km deep · 86 km away
  37. 1.613km NNE of Barstow, California · 8760 days ago · 4 km deep · 66 km away
  38. 1.913km NW of Ludlow, CA · 8758 days ago · 4 km deep · 0 km away
  39. 1.533km N of Yucca Valley, CA · 8758 days ago · 4 km deep · 48 km away
  40. 1.622km N of Yucca Valley, CA · 8758 days ago · 6 km deep · 57 km away
  41. 2.323km N of Yucca Valley, CA · 8755 days ago · 7 km deep · 57 km away
  42. 1.914km WSW of Ludlow, CA · 8755 days ago · 3 km deep · 16 km away
  43. 2.013km WSW of Ludlow, CA · 8755 days ago · 4 km deep · 16 km away
  44. 1.613km W of Ludlow, California · 8755 days ago · 5 km deep · 10 km away
  45. 1.62km ENE of Yucca Valley, CA · 8755 days ago · 6 km deep · 77 km away
  46. 1.920km NNW of Yucca Valley, CA · 8755 days ago · 11 km deep · 61 km away
  47. 2.030km NNW of Twentynine Palms, CA · 8754 days ago · 6 km deep · 46 km away
  48. 1.827km NW of Ludlow, California · 8754 days ago · 3 km deep · 14 km away
  49. 1.58km S of Yucca Valley, CA · 8753 days ago · 9 km deep · 86 km away
  50. 3.012km W of Ludlow, CA · 8753 days ago · 1 km deep · 11 km away
  51. 1.512km W of Ludlow, California · 8752 days ago · 3 km deep · 10 km away
  52. 1.813km W of Ludlow, CA · 8752 days ago · 4 km deep · 10 km away
  53. 1.713km WSW of Ludlow, CA · 8751 days ago · 7 km deep · 13 km away
  54. 1.69km E of Running Springs, CA · 8751 days ago · 11 km deep · 96 km away
  55. 3.66km NW of Big Bear City, CA · 8749 days ago · 5 km deep · 79 km away · felt by 101
  56. 1.86km NW of Big Bear City, CA · 8749 days ago · 6 km deep · 80 km away
  57. 1.933km NNW of Twentynine Palms, CA · 8748 days ago · 5 km deep · 44 km away
  58. 1.55km NW of Big Bear City, California · 8747 days ago · 5 km deep · 79 km away
  59. 1.66km NW of Big Bear City, CA · 8747 days ago · 6 km deep · 79 km away
  60. 1.85km NW of Big Bear City, CA · 8747 days ago · 4 km deep · 79 km away

The first 60 of 185.

Before

  1. 2.212km NNE of Barstow, CA · 8771 days ago · 5 km deep · 66 km away
  2. 3.119km SSW of Ludlow, CA · 8771 days ago · 2 km deep · 25 km away
  3. 2.819km SSW of Ludlow, CA · 8771 days ago · 3 km deep · 25 km away
  4. 1.619km SSW of Ludlow, CA · 8771 days ago · 3 km deep · 25 km away
  5. 1.517km WSW of Ludlow, California · 8771 days ago · 8 km deep · 16 km away
  6. 2.66km SE of Big Bear Lake, CA · 8772 days ago · 4 km deep · 86 km away
  7. 2.431km N of Yucca Valley, CA · 8772 days ago · 2 km deep · 48 km away
  8. 1.513km NW of Ludlow, California · 8773 days ago · 5 km deep · 1 km away
  9. 1.913km NW of Ludlow, CA · 8773 days ago · 6 km deep · 0 km away
  10. 1.621km N of Yucca Valley, CA · 8773 days ago · 9 km deep · 58 km away
  11. 1.625km NNW of Twentynine Palms, CA · 8774 days ago · 6 km deep · 51 km away
  12. 1.912km WSW of Morongo Valley, CA · 8774 days ago · 14 km deep · 96 km away
  13. 2.112km NNE of Barstow, CA · 8775 days ago · 6 km deep · 66 km away
  14. 1.522km N of Yucca Valley, CA · 8775 days ago · 2 km deep · 57 km away
  15. 1.616km S of Joshua Tree, CA · 8775 days ago · 8 km deep · 90 km away
  16. 1.614km NW of Ludlow, CA · 8775 days ago · 6 km deep · 1 km away
  17. 1.812km NE of Barstow, CA · 8776 days ago · 4 km deep · 65 km away
  18. 1.725km NW of Ludlow, California · 8776 days ago · 2 km deep · 12 km away
  19. 1.533km N of Yucca Valley, California · 8778 days ago · 2 km deep · 48 km away
  20. 1.712km NNW of Cabazon, CA · 8778 days ago · 21 km deep · 100 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9829713. Read Sun, Oct 4, 2026, 7:58 PM UTC.