California earthquakes

M1.6 earthquake 30km S of Ludlow, CA

A magnitude 1.6 earthquake struck 30km S of Ludlow, CA on Thu, Dec 6, 2001, 5:28 PM PST (01:28 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M3.6 15km WNW of Morongo Valley, 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
1.6 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2001-12-07 01:28:58 UTC
Depth
7.7 km (4.8 mi), shallow
Epicenter
34.457° N, 116.210° 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, 1.7 km in depth
Depth from
From location
Station coverage gap
120°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 108 in the 30 days before it.

After

  1. 2.516km ENE of Thousand Palms, CA · 9068 days ago · 5 km deep · 62 km away
  2. 1.55km WNW of Calimesa, CA · 9068 days ago · 15 km deep · 96 km away
  3. 1.517km NE of Thousand Palms, CA · 9068 days ago · 12 km deep · 61 km away
  4. 1.912km W of Ludlow, CA · 9068 days ago · 2 km deep · 28 km away
  5. 2.116km NE of Thousand Palms, CA · 9068 days ago · 6 km deep · 62 km away
  6. 2.012km W of Ludlow, CA · 9068 days ago · 6 km deep · 30 km away
  7. 1.613km WNW of Morongo Valley, California · 9068 days ago · 3 km deep · 61 km away
  8. 3.433km N of Yucca Valley, CA · 9068 days ago · 7 km deep · 24 km away
  9. 1.516km E of Desert Hot Springs, CA · 9068 days ago · 11 km deep · 56 km away
  10. 1.616km ENE of Thousand Palms, CA · 9068 days ago · 7 km deep · 62 km away
  11. 2.230km N of Yucca Valley, CA · 9067 days ago · 2 km deep · 26 km away
  12. 1.836km N of Yucca Valley, California · 9066 days ago · 4 km deep · 27 km away
  13. 1.921km NW of Ludlow, California · 9066 days ago · 2 km deep · 47 km away
  14. 1.511km SSE of Big Bear Lake, California · 9066 days ago · 9 km deep · 70 km away
  15. 1.64km N of Big Bear City, California · 9066 days ago · 7 km deep · 61 km away
  16. 1.617km SSW of Twentynine Palms, CA · 9065 days ago · 12 km deep · 53 km away
  17. 1.928km SSW of Ludlow, California · 9065 days ago · 5 km deep · 5 km away
  18. 2.626km SSW of Ludlow, CA · 9065 days ago · -1 km deep · 9 km away
  19. 2.38km NNE of Beaumont, CA · 9065 days ago · 13 km deep · 86 km away
  20. 1.512km NW of Big Bear Lake, CA · 9064 days ago · 7 km deep · 75 km away
  21. 3.615km WNW of Morongo Valley, CA · 9064 days ago · 8 km deep · 61 km away · felt by 63
  22. 1.514km WNW of Morongo Valley, CA · 9064 days ago · 5 km deep · 61 km away
  23. 2.16km E of Calimesa, CA · 9062 days ago · 16 km deep · 89 km away
  24. 1.822km N of Yucca Valley, CA · 9062 days ago · 8 km deep · 26 km away
  25. 2.213km E of Ludlow, CA · 9062 days ago · 2 km deep · 35 km away
  26. 1.713km NE of Yucaipa, CA · 9061 days ago · 6 km deep · 77 km away
  27. 1.66km SW of Idyllwild, California · 9060 days ago · 15 km deep · 99 km away
  28. 1.623km SSW of Ludlow, California · 9060 days ago · 4 km deep · 9 km away
  29. 2.015km WNW of Morongo Valley, CA · 9060 days ago · 6 km deep · 61 km away
  30. 2.018km SSW of Ludlow, CA · 9059 days ago · 8 km deep · 15 km away
  31. 1.536km N of Yucca Valley, California · 9059 days ago · 2 km deep · 27 km away
  32. 1.814km SW of Ludlow, California · 9059 days ago · 7 km deep · 20 km away
  33. 1.69km ENE of Indio, CA · 9058 days ago · 5 km deep · 77 km away
  34. 1.617km WSW of Ludlow, CA · 9058 days ago · 5 km deep · 26 km away
  35. 1.64km ENE of Yucaipa, California · 9058 days ago · 17 km deep · 86 km away
  36. 1.728km SSW of Ludlow, California · 9058 days ago · 4 km deep · 6 km away
  37. 1.628km N of Yucca Valley, California · 9058 days ago · 2 km deep · 26 km away
  38. 1.917km SW of Ludlow, CA · 9058 days ago · 4 km deep · 18 km away
  39. 1.619km W of Ludlow, CA · 9057 days ago · 4 km deep · 32 km away
  40. 1.920km SW of Ludlow, CA · 9057 days ago · 2 km deep · 14 km away
  41. 1.87km NNW of Big Bear Lake, CA · 9057 days ago · 5 km deep · 68 km away
  42. 1.84km SW of Idyllwild, CA · 9056 days ago · 16 km deep · 97 km away
  43. 1.89km SSE of Big Bear City, California · 9056 days ago · 6 km deep · 64 km away
  44. 1.87km E of Calimesa, California · 9056 days ago · 19 km deep · 87 km away
  45. 1.810km ESE of Big Bear City, CA · 9056 days ago · 8 km deep · 56 km away
  46. 2.327km WNW of Ludlow, CA · 9056 days ago · 6 km deep · 48 km away
  47. 1.58km NNE of Banning, California · 9055 days ago · 18 km deep · 77 km away
  48. 1.619km SSW of Ludlow, California · 9055 days ago · 2 km deep · 14 km away
  49. 1.913km W of Ludlow, California · 9055 days ago · 1 km deep · 28 km away
  50. 1.512km NW of Ludlow, CA · 9055 days ago · 3 km deep · 38 km away
  51. 1.913km WSW of Ludlow, California · 9055 days ago · 1 km deep · 28 km away
  52. 1.63km S of Idyllwild, California · 9055 days ago · 19 km deep · 95 km away
  53. 1.837km NE of Lucerne Valley, CA · 9054 days ago · 5 km deep · 43 km away
  54. 1.63km S of Morongo Valley, California · 9054 days ago · 11 km deep · 60 km away
  55. 1.820km SSW of Ludlow, California · 9053 days ago · 8 km deep · 12 km away
  56. 2.015km SW of Ludlow, CA · 9053 days ago · 7 km deep · 20 km away
  57. 1.611km NE of Running Springs, CA · 9052 days ago · 4 km deep · 78 km away
  58. 1.714km NE of Yucaipa, CA · 9051 days ago · 6 km deep · 76 km away
  59. 2.017km SW of Ludlow, CA · 9051 days ago · 4 km deep · 19 km away
  60. 1.821km SW of Ludlow, CA · 9050 days ago · 5 km deep · 15 km away

The first 60 of 187.

Before

  1. 1.515km ENE of Thousand Palms, California · 9069 days ago · 9 km deep · 63 km away
  2. 1.717km ENE of Thousand Palms, CA · 9069 days ago · 5 km deep · 62 km away
  3. 1.917km NE of Thousand Palms, CA · 9069 days ago · 12 km deep · 61 km away
  4. 1.739km WSW of Ludlow, California · 9069 days ago · 6 km deep · 39 km away
  5. 1.99km NNE of Running Springs, CA · 9069 days ago · 4 km deep · 81 km away
  6. 1.913km NW of Ludlow, CA · 9070 days ago · 4 km deep · 39 km away
  7. 1.839km NE of Big Bear City, California · 9070 days ago · 5 km deep · 27 km away
  8. 2.412km W of Ludlow, CA · 9070 days ago · 2 km deep · 28 km away
  9. 2.127km SSW of Ludlow, CA · 9071 days ago · 4 km deep · 9 km away
  10. 1.833km SSW of Ludlow, CA · 9072 days ago · 5 km deep · 5 km away
  11. 1.55km NE of Banning, CA · 9072 days ago · 16 km deep · 80 km away
  12. 1.819km SSW of Ludlow, California · 9072 days ago · 4 km deep · 13 km away
  13. 1.53km E of Banning, CA · 9073 days ago · 3 km deep · 83 km away
  14. 1.78km E of Yucaipa, CA · 9073 days ago · 12 km deep · 84 km away
  15. 2.117km WSW of Ludlow, CA · 9073 days ago · 5 km deep · 25 km away
  16. 2.34km ESE of Big Bear Lake, CA · 9074 days ago · 2 km deep · 66 km away
  17. 1.813km WSW of Ludlow, California · 9074 days ago · 1 km deep · 27 km away
  18. 1.68km SSE of Big Bear City, CA · 9074 days ago · 8 km deep · 63 km away
  19. 1.55km SSW of Ludlow, California · 9074 days ago · 9 km deep · 25 km away
  20. 1.88km E of Big Bear City, California · 9074 days ago · 3 km deep · 55 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9730821. Read Mon, Oct 5, 2026, 1:35 PM UTC.