California earthquakes

M1.8 earthquake 30km S of Ludlow, CA

A magnitude 1.8 earthquake struck 30km S of Ludlow, CA on Thu, Aug 22, 2002, 1:22 PM PDT (20:22 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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Map

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

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The earthquake

Magnitude
1.8 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-08-22 20:22:11 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
34.451° N, 116.221° 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, 1.8 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
91°
Stations used
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 174 in the 60 days after this one and 66 in the 30 days before it.

After

  1. 2.026km SE of Barstow, California · 8809 days ago · 7 km deep · 62 km away
  2. 2.26km NNW of Big Bear City, CA · 8808 days ago · 3 km deep · 61 km away
  3. 1.715km NW of Ludlow, California · 8807 days ago · 8 km deep · 42 km away
  4. 1.813km NW of Ludlow, CA · 8807 days ago · 5 km deep · 39 km away
  5. 1.87km N of Big Bear City, CA · 8806 days ago · 3 km deep · 58 km away
  6. 1.64km SE of Garnet, CA · 8806 days ago · 3 km deep · 69 km away
  7. 1.937km N of Yucca Valley, CA · 8806 days ago · 8 km deep · 24 km away
  8. 1.916km WSW of Ludlow, CA · 8806 days ago · 10 km deep · 24 km away
  9. 1.86km E of Calimesa, CA · 8806 days ago · 18 km deep · 87 km away
  10. 1.815km N of Yucca Valley, CA · 8805 days ago · 2 km deep · 30 km away
  11. 1.728km N of Yucca Valley, CA · 8804 days ago · 7 km deep · 24 km away
  12. 2.126km N of Yucca Valley, CA · 8804 days ago · 3 km deep · 25 km away
  13. 1.625km SSW of Ludlow, California · 8804 days ago · 10 km deep · 7 km away
  14. 2.08km NNE of Beaumont, CA · 8803 days ago · 9 km deep · 84 km away
  15. 2.28km NNE of Beaumont, CA · 8803 days ago · 9 km deep · 84 km away
  16. 1.536km NNW of Yucca Valley, California · 8803 days ago · 3 km deep · 27 km away
  17. 1.66km N of Yucca Valley, CA · 8802 days ago · 9 km deep · 37 km away
  18. 1.73km E of San Jacinto, CA · 8801 days ago · 12 km deep · 99 km away
  19. 1.76km NW of Big Bear City, CA · 8801 days ago · 6 km deep · 63 km away
  20. 1.86km NW of Big Bear City, CA · 8800 days ago · 6 km deep · 63 km away
  21. 1.515km N of Yucca Valley, CA · 8800 days ago · 4 km deep · 30 km away
  22. 1.715km NW of Ludlow, California · 8799 days ago · 5 km deep · 40 km away
  23. 1.630km SE of Fort Irwin, California · 8799 days ago · 2 km deep · 70 km away
  24. 2.431km SSE of Fort Irwin, CA · 8799 days ago · 1 km deep · 69 km away
  25. 2.530km N of Yucca Valley, CA · 8798 days ago · 3 km deep · 24 km away
  26. 1.85km E of Calimesa, CA · 8796 days ago · 13 km deep · 88 km away
  27. 1.79km SW of Idyllwild, CA · 8796 days ago · 15 km deep · 100 km away
  28. 2.04km ESE of Big Bear City, CA · 8796 days ago · 1 km deep · 58 km away
  29. 1.714km NE of Yucaipa, CA · 8796 days ago · 2 km deep · 75 km away
  30. 2.027km N of Yucca Valley, CA · 8795 days ago · 7 km deep · 23 km away
  31. 1.615km WSW of Ludlow, California · 8795 days ago · 6 km deep · 23 km away
  32. 2.726km N of Yucca Valley, CA · 8795 days ago · 7 km deep · 25 km away
  33. 1.726km N of Yucca Valley, CA · 8795 days ago · 8 km deep · 25 km away
  34. 1.625km N of Yucca Valley, California · 8795 days ago · 6 km deep · 25 km away
  35. 1.727km N of Yucca Valley, California · 8795 days ago · 4 km deep · 25 km away
  36. 2.432km N of Yucca Valley, CA · 8794 days ago · 2 km deep · 21 km away
  37. 2.013km NW of Ludlow, CA · 8793 days ago · 5 km deep · 40 km away
  38. 1.711km NNE of Cabazon, CA · 8793 days ago · 12 km deep · 69 km away
  39. 2.833km N of Yucca Valley, CA · 8793 days ago · 2 km deep · 24 km away
  40. 1.714km NW of Ludlow, California · 8793 days ago · 7 km deep · 41 km away
  41. 1.526km SSW of Ludlow, CA · 8792 days ago · 9 km deep · 5 km away
  42. 2.229km N of Yucca Valley, CA · 8792 days ago · 2 km deep · 23 km away
  43. 1.913km NW of Ludlow, CA · 8792 days ago · 5 km deep · 39 km away
  44. 1.631km S of Ludlow, CA · 8791 days ago · 5 km deep · 3 km away
  45. 2.413km NW of Ludlow, California · 8791 days ago · 5 km deep · 39 km away
  46. 1.612km SSE of Big Bear City, CA · 8790 days ago · 3 km deep · 64 km away
  47. 1.88km S of Joshua Tree, CA · 8790 days ago · 10 km deep · 45 km away
  48. 1.76km NE of Cabazon, CA · 8790 days ago · 15 km deep · 73 km away
  49. 1.712km SSE of Big Bear City, CA · 8790 days ago · 3 km deep · 64 km away
  50. 2.718km SW of Ludlow, CA · 8790 days ago · 3 km deep · 16 km away
  51. 1.55km S of Idyllwild, CA · 8790 days ago · 15 km deep · 96 km away
  52. 2.011km NNW of Banning, CA · 8789 days ago · 17 km deep · 81 km away
  53. 1.618km N of Yucca Valley, CA · 8789 days ago · 8 km deep · 29 km away
  54. 2.423km SSW of Ludlow, CA · 8789 days ago · 3 km deep · 9 km away
  55. 2.011km SSE of Big Bear City, CA · 8789 days ago · 3 km deep · 63 km away
  56. 1.68km NNE of Beaumont, CA · 8788 days ago · 19 km deep · 84 km away
  57. 2.110km N of Yucca Valley, CA · 8788 days ago · 12 km deep · 34 km away
  58. 1.713km NW of Ludlow, California · 8788 days ago · 6 km deep · 39 km away
  59. 1.530km NNW of Twentynine Palms, California · 8786 days ago · 7 km deep · 8 km away
  60. 1.67km SE of Big Bear Lake, CA · 8786 days ago · 2 km deep · 65 km away

The first 60 of 174.

Before

  1. 1.94km SSE of Redlands, California · 8809 days ago · 7 km deep · 99 km away
  2. 1.514km WSW of Ludlow, California · 8810 days ago · 7 km deep · 25 km away
  3. 1.726km SSW of Ludlow, CA · 8810 days ago · 9 km deep · 6 km away
  4. 2.013km W of Ludlow, CA · 8811 days ago · 9 km deep · 29 km away
  5. 2.222km N of Yucca Valley, CA · 8811 days ago · 1 km deep · 26 km away
  6. 1.614km NNW of Joshua Tree, CA · 8811 days ago · 3 km deep · 28 km away
  7. 2.029km SSW of Ludlow, CA · 8811 days ago · 8 km deep · 2 km away
  8. 1.723km N of Yucca Valley, CA · 8812 days ago · 7 km deep · 26 km away
  9. 1.624km SSW of Ludlow, CA · 8815 days ago · 8 km deep · 10 km away
  10. 1.55km SSE of Banning, CA · 8815 days ago · 13 km deep · 86 km away
  11. 1.935km NE of Lucerne Valley, CA · 8816 days ago · 4 km deep · 46 km away
  12. 1.819km W of Ludlow, California · 8816 days ago · 7 km deep · 31 km away
  13. 1.64km ENE of Beaumont, CA · 8817 days ago · 17 km deep · 87 km away
  14. 1.713km NW of Ludlow, CA · 8817 days ago · 5 km deep · 40 km away
  15. 1.520km SSW of Ludlow, California · 8817 days ago · 5 km deep · 13 km away
  16. 1.618km SSW of Ludlow, California · 8817 days ago · 3 km deep · 15 km away
  17. 1.89km SE of Valle Vista, CA · 8819 days ago · 16 km deep · 100 km away
  18. 1.55km SSW of Idyllwild, CA · 8819 days ago · 18 km deep · 96 km away
  19. 1.728km N of Yucca Valley, CA · 8819 days ago · 7 km deep · 24 km away
  20. 1.712km ENE of Big Bear City, CA · 8820 days ago · 11 km deep · 50 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9813345. Read Sun, Oct 4, 2026, 4:01 PM UTC.