California earthquakes

M1.6 earthquake 28km SSW of Ludlow, CA

A magnitude 1.6 earthquake struck 28km SSW of Ludlow, CA on Mon, Sep 16, 1985, 9:20 AM PDT (16:20 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M1.8 11km ENE of Desert Hot Springs, 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 (mc), micro
Local time
UTC
1985-09-16 16:20:10 UTC
Depth
4.6 km (2.8 mi), shallow
Epicenter
34.493° N, 116.279° 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.

Depth from
Operator assigned
Station coverage gap
168°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 1.811km ENE of Desert Hot Springs, CA · 14964 days ago · 3 km deep · 56 km away
  2. 2.023km NNW of Joshua Tree, CA · 14964 days ago · -1 km deep · 23 km away
  3. 2.18km N of Big Bear City, CA · 14964 days ago · 2 km deep · 54 km away
  4. 1.77km SSW of Calimesa, CA · 14964 days ago · 15 km deep · 97 km away
  5. 1.68km SSW of Calimesa, CA · 14964 days ago · 15 km deep · 98 km away
  6. 1.87km SSE of Big Bear City, CA · 14963 days ago · 9 km deep · 58 km away
  7. 1.69km N of Cabazon, CA · 14963 days ago · 15 km deep · 72 km away
  8. 1.624km S of Twentynine Palms, CA · 14963 days ago · -1 km deep · 67 km away
  9. 1.88km WNW of Big Bear Lake, CA · 14963 days ago · 4 km deep · 71 km away
  10. 1.816km N of Yucca Valley, CA · 14962 days ago · 2 km deep · 30 km away
  11. 1.610km WSW of Morongo Valley, CA · 14962 days ago · 9 km deep · 64 km away
  12. 1.531km SE of Twentynine Palms, CA · 14962 days ago · 3 km deep · 75 km away
  13. 1.932km SE of Twentynine Palms, CA · 14962 days ago · 3 km deep · 75 km away
  14. 1.831km SE of Twentynine Palms, CA · 14962 days ago · 4 km deep · 74 km away
  15. 1.631km SE of Twentynine Palms, CA · 14962 days ago · 4 km deep · 74 km away
  16. 1.731km SE of Twentynine Palms, CA · 14962 days ago · 3 km deep · 75 km away
  17. 2.732km SE of Twentynine Palms, CA · 14961 days ago · 0 km deep · 75 km away
  18. 2.131km SE of Twentynine Palms, CA · 14961 days ago · 5 km deep · 74 km away
  19. 1.831km SE of Twentynine Palms, CA · 14961 days ago · 5 km deep · 74 km away
  20. 1.85km N of San Jacinto, CA · 14961 days ago · 14 km deep · 97 km away
  21. 1.934km NE of Big Bear City, CA · 14961 days ago · 4 km deep · 24 km away
  22. 2.335km ENE of Big Bear City, CA · 14961 days ago · 5 km deep · 24 km away
  23. 1.88km SSW of Calimesa, CA · 14961 days ago · 4 km deep · 98 km away
  24. 1.631km SE of Twentynine Palms, CA · 14961 days ago · 2 km deep · 74 km away
  25. 2.32km S of Calimesa, CA · 14961 days ago · 12 km deep · 92 km away
  26. 1.911km S of Joshua Tree, CA · 14961 days ago · 14 km deep · 51 km away
  27. 1.63km ESE of Valle Vista, CA · 14961 days ago · 11 km deep · 99 km away
  28. 1.811km SSW of Joshua Tree, CA · 14961 days ago · 4 km deep · 51 km away
  29. 1.514km ENE of Indio, CA · 14960 days ago · 2 km deep · 81 km away
  30. 1.721km ENE of Coachella, CA · 14960 days ago · 2 km deep · 84 km away
  31. 2.38km WSW of Big Bear Lake, CA · 14959 days ago · 6 km deep · 72 km away
  32. 1.713km NNE of Lake Arrowhead, CA · 14959 days ago · 1 km deep · 81 km away
  33. 2.114km SW of Lucerne Valley, CA · 14959 days ago · 16 km deep · 76 km away
  34. 2.09km NNE of Big Bear City, CA · 14959 days ago · 5 km deep · 52 km away
  35. 2.014km N of Cabazon, CA · 14959 days ago · 20 km deep · 68 km away
  36. 1.57km E of Big Bear City, CA · 14958 days ago · 1 km deep · 51 km away
  37. 1.910km WNW of Big Bear Lake, CA · 14958 days ago · 6 km deep · 72 km away
  38. 2.37km ESE of Yucaipa, CA · 14958 days ago · 8 km deep · 83 km away
  39. 2.414km NNE of Lake Arrowhead, CA · 14957 days ago · 4 km deep · 80 km away
  40. 1.713km NNE of Lake Arrowhead, CA · 14957 days ago · 2 km deep · 80 km away
  41. 2.014km NNE of Lake Arrowhead, CA · 14957 days ago · 3 km deep · 81 km away
  42. 2.713km NNE of Lake Arrowhead, CA · 14957 days ago · 1 km deep · 81 km away
  43. 1.711km NNE of Running Springs, CA · 14956 days ago · 8 km deep · 75 km away
  44. 1.88km W of Big Bear Lake, CA · 14956 days ago · 5 km deep · 71 km away
  45. 2.513km NNE of Lake Arrowhead, CA · 14955 days ago · 1 km deep · 81 km away
  46. 2.38km ESE of Morongo Valley, CA · 14955 days ago · 10 km deep · 55 km away
  47. 1.918km NNE of Twentynine Palms, CA · 14955 days ago · 0 km deep · 37 km away
  48. 1.914km ENE of Indio, CA · 14955 days ago · 2 km deep · 81 km away
  49. 1.910km NNW of Cabazon, CA · 14955 days ago · 17 km deep · 74 km away
  50. 1.74km ESE of Lucerne Valley, CA · 14954 days ago · 9 km deep · 60 km away
  51. 1.62km N of Cabazon, CA · 14953 days ago · 17 km deep · 78 km away
  52. 1.64km S of Garnet, CA · 14953 days ago · 12 km deep · 74 km away
  53. 2.416km NE of Lucerne Valley, CA · 14953 days ago · -1 km deep · 52 km away
  54. 2.07km ESE of Running Springs, CA · 14953 days ago · 8 km deep · 77 km away
  55. 2.713km ENE of Barstow, CA · 14953 days ago · 4 km deep · 75 km away
  56. 1.710km SW of Morongo Valley, CA · 14952 days ago · 17 km deep · 66 km away
  57. 1.78km WSW of Idyllwild, CA · 14952 days ago · 13 km deep · 100 km away
  58. 1.814km NE of Lucerne Valley, CA · 14951 days ago · 1 km deep · 53 km away
  59. 1.64km S of Idyllwild, CA · 14951 days ago · 16 km deep · 96 km away
  60. 1.714km NNE of Lake Arrowhead, CA · 14951 days ago · 1 km deep · 80 km away

The first 60 of 162.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci118407. Read Tue, Sep 22, 2026, 10:31 PM UTC.