California earthquakes

M1.9 earthquake 20km NW of Ludlow, CA

A magnitude 1.9 earthquake struck 20km NW of Ludlow, CA on Mon, Jul 29, 2002, 12:42 AM PDT (07:42 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.8 27km 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
1.9 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-07-29 07:42:18 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
34.827° N, 116.332° 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 0.4 km horizontally, 3.0 km in depth
Magnitude uncertainty
±0.23
Depth from
From location
Station coverage gap
122°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 120 in the 60 days after this one and 54 in the 30 days before it.

After

  1. 1.827km NW of Ludlow, California · 8834 days ago · 3 km deep · 8 km away
  2. 1.89km NNW of Big Bear City, CA · 8834 days ago · -1 km deep · 74 km away
  3. 1.625km NW of Ludlow, California · 8833 days ago · 2 km deep · 7 km away
  4. 1.633km N of Joshua Tree, California · 8833 days ago · 4 km deep · 44 km away
  5. 2.424km NW of Ludlow, CA · 8832 days ago · 2 km deep · 6 km away
  6. 3.731km WSW of Ludlow, CA · 8832 days ago · 2 km deep · 30 km away
  7. 2.112km NE of Barstow, CA · 8831 days ago · 4 km deep · 59 km away
  8. 1.68km E of Big Bear City, CA · 8830 days ago · 2 km deep · 74 km away
  9. 1.68km E of Big Bear City, CA · 8830 days ago · 2 km deep · 74 km away
  10. 1.518km NE of Barstow, California · 8830 days ago · 7 km deep · 55 km away
  11. 2.114km NW of Ludlow, CA · 8830 days ago · 6 km deep · 6 km away
  12. 1.913km NW of Ludlow, CA · 8829 days ago · 3 km deep · 7 km away
  13. 2.130km SSW of Ludlow, CA · 8829 days ago · 3 km deep · 37 km away
  14. 1.514km NW of Ludlow, California · 8828 days ago · 5 km deep · 7 km away
  15. 1.713km NW of Ludlow, CA · 8828 days ago · 5 km deep · 7 km away
  16. 1.517km SW of Ludlow, California · 8828 days ago · 5 km deep · 24 km away
  17. 2.64km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 78 km away
  18. 2.54km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 78 km away
  19. 1.74km NW of Big Bear City, CA · 8827 days ago · 6 km deep · 78 km away
  20. 2.217km WSW of Ludlow, CA · 8827 days ago · 7 km deep · 15 km away
  21. 1.526km N of Yucca Valley, California · 8826 days ago · 6 km deep · 55 km away
  22. 1.733km SSW of Ludlow, CA · 8825 days ago · 5 km deep · 44 km away
  23. 1.710km SE of Lucerne Valley, CA · 8824 days ago · 1 km deep · 73 km away
  24. 1.932km NNW of Twentynine Palms, CA · 8823 days ago · 6 km deep · 48 km away
  25. 1.513km W of Ludlow, CA · 8822 days ago · 5 km deep · 12 km away
  26. 1.627km N of Yucca Valley, CA · 8821 days ago · 8 km deep · 54 km away
  27. 1.712km ENE of Big Bear City, CA · 8821 days ago · 11 km deep · 70 km away
  28. 1.728km N of Yucca Valley, CA · 8820 days ago · 7 km deep · 53 km away
  29. 1.618km SSW of Ludlow, California · 8818 days ago · 3 km deep · 28 km away
  30. 1.520km SSW of Ludlow, California · 8818 days ago · 5 km deep · 30 km away
  31. 1.713km NW of Ludlow, CA · 8818 days ago · 5 km deep · 7 km away
  32. 1.819km W of Ludlow, California · 8817 days ago · 7 km deep · 14 km away
  33. 1.935km NE of Lucerne Valley, CA · 8817 days ago · 4 km deep · 37 km away
  34. 1.624km SSW of Ludlow, CA · 8816 days ago · 8 km deep · 34 km away
  35. 1.538km W of Fort Irwin, California · 8815 days ago · 11 km deep · 87 km away
  36. 1.723km N of Yucca Valley, CA · 8813 days ago · 7 km deep · 58 km away
  37. 2.029km SSW of Ludlow, CA · 8812 days ago · 8 km deep · 41 km away
  38. 1.614km NNW of Joshua Tree, CA · 8812 days ago · 3 km deep · 65 km away
  39. 2.222km N of Yucca Valley, CA · 8811 days ago · 1 km deep · 58 km away
  40. 2.013km W of Ludlow, CA · 8811 days ago · 9 km deep · 14 km away
  41. 1.726km SSW of Ludlow, CA · 8811 days ago · 9 km deep · 37 km away
  42. 1.514km WSW of Ludlow, California · 8810 days ago · 7 km deep · 18 km away
  43. 1.830km S of Ludlow, CA · 8809 days ago · 7 km deep · 43 km away
  44. 2.026km SE of Barstow, California · 8809 days ago · 7 km deep · 42 km away
  45. 2.26km NNW of Big Bear City, CA · 8809 days ago · 3 km deep · 75 km away
  46. 1.715km NW of Ludlow, California · 8808 days ago · 8 km deep · 7 km away
  47. 1.813km NW of Ludlow, CA · 8807 days ago · 5 km deep · 6 km away
  48. 1.87km N of Big Bear City, CA · 8807 days ago · 3 km deep · 73 km away
  49. 1.937km N of Yucca Valley, CA · 8807 days ago · 8 km deep · 45 km away
  50. 1.916km WSW of Ludlow, CA · 8807 days ago · 10 km deep · 19 km away
  51. 1.815km N of Yucca Valley, CA · 8805 days ago · 2 km deep · 65 km away
  52. 1.728km N of Yucca Valley, CA · 8804 days ago · 7 km deep · 53 km away
  53. 2.126km N of Yucca Valley, CA · 8804 days ago · 3 km deep · 55 km away
  54. 1.625km SSW of Ludlow, California · 8804 days ago · 10 km deep · 36 km away
  55. 1.536km NNW of Yucca Valley, California · 8803 days ago · 3 km deep · 47 km away
  56. 1.66km N of Yucca Valley, CA · 8802 days ago · 9 km deep · 74 km away
  57. 1.76km NW of Big Bear City, CA · 8801 days ago · 6 km deep · 78 km away
  58. 1.86km NW of Big Bear City, CA · 8801 days ago · 6 km deep · 78 km away
  59. 1.515km N of Yucca Valley, CA · 8800 days ago · 4 km deep · 65 km away
  60. 1.715km NW of Ludlow, California · 8800 days ago · 5 km deep · 5 km away

The first 60 of 120.

Before

  1. 1.518km SSE of Joshua Tree, CA · 8835 days ago · 6 km deep · 95 km away
  2. 1.627km NW of Ludlow, California · 8836 days ago · 3 km deep · 8 km away
  3. 1.527km NW of Ludlow, CA · 8836 days ago · -1 km deep · 7 km away
  4. 2.227km NW of Ludlow, CA · 8836 days ago · 3 km deep · 7 km away
  5. 1.711km NW of Big Bear Lake, CA · 8837 days ago · 4 km deep · 85 km away
  6. 1.826km SSW of Ludlow, California · 8837 days ago · 5 km deep · 38 km away
  7. 2.112km NE of Barstow, CA · 8838 days ago · 8 km deep · 59 km away
  8. 1.913km WSW of Ludlow, CA · 8838 days ago · 3 km deep · 16 km away
  9. 2.327km NW of Ludlow, CA · 8838 days ago · 4 km deep · 7 km away
  10. 1.637km N of Yucca Valley, CA · 8839 days ago · 8 km deep · 46 km away
  11. 1.88km NE of Lake Arrowhead, CA · 8839 days ago · 7 km deep · 93 km away
  12. 1.62km NE of Yucca Valley, CA · 8839 days ago · 9 km deep · 78 km away
  13. 2.97km N of Big Bear City, CA · 8841 days ago · 3 km deep · 73 km away
  14. 1.714km SW of Ludlow, CA · 8841 days ago · 4 km deep · 20 km away
  15. 1.621km N of Yucca Valley, CA · 8842 days ago · 5 km deep · 60 km away
  16. 1.621km N of Yucca Valley, CA · 8842 days ago · 7 km deep · 59 km away
  17. 1.620km N of Yucca Valley, CA · 8843 days ago · 5 km deep · 61 km away
  18. 1.513km E of Desert Hot Springs, CA · 8844 days ago · 4 km deep · 97 km away
  19. 1.531km N of Yucca Valley, CA · 8844 days ago · 7 km deep · 50 km away
  20. 2.013km W of Ludlow, CA · 8845 days ago · 1 km deep · 14 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci13695464. Read Mon, Oct 5, 2026, 5:36 AM UTC.