California earthquakes

M1.6 earthquake 32km SSW of Ludlow, CA

A magnitude 1.6 earthquake struck 32km SSW of Ludlow, CA on Tue, Dec 8, 1981, 6:31 AM PST (14:31 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.4 15km NNW 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
1.6 (mh), micro
Local time
UTC
1981-12-08 14:31:25 UTC
Depth
1.2 km (0.7 mi), shallow
Epicenter
34.468° N, 116.323° 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 1.1 km horizontally, 0.7 km in depth
Depth from
From location
Station coverage gap
142°
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 91 in the 60 days after this one and 25 in the 30 days before it.

After

  1. 2.415km NNW of Ludlow, CA · 16359 days ago · 3 km deep · 43 km away
  2. 1.512km NNE of Indio, CA · 16358 days ago · 6 km deep · 72 km away
  3. 1.821km N of Yucca Valley, CA · 16358 days ago · 1 km deep · 22 km away
  4. 1.67km SW of Yucca Valley, CA · 16357 days ago · 9 km deep · 46 km away
  5. 1.51km N of Loma Linda, CA · 16354 days ago · 14 km deep · 97 km away
  6. 1.910km N of Cabazon, CA · 16354 days ago · 14 km deep · 66 km away
  7. 2.319km NNE of Indio, CA · 16353 days ago · 4 km deep · 66 km away
  8. 1.917km NNW of Joshua Tree, CA · 16351 days ago · 5 km deep · 22 km away
  9. 1.917km NNW of Joshua Tree, CA · 16351 days ago · 3 km deep · 22 km away
  10. 2.27km SSW of Calimesa, CA · 16350 days ago · 15 km deep · 92 km away
  11. 1.79km SE of Valle Vista, CA · 16350 days ago · 14 km deep · 96 km away
  12. 1.535km SE of Twentynine Palms, CA · 16348 days ago · 4 km deep · 77 km away
  13. 1.68km SW of Beaumont, CA · 16347 days ago · 14 km deep · 93 km away
  14. 2.54km WSW of Morongo Valley, CA · 16345 days ago · 8 km deep · 56 km away
  15. 2.210km N of Cabazon, CA · 16344 days ago · 16 km deep · 65 km away
  16. 3.110km N of Cabazon, CA · 16344 days ago · 18 km deep · 66 km away
  17. 1.91km ENE of Loma Linda, CA · 16341 days ago · 15 km deep · 97 km away
  18. 2.412km NE of Thousand Palms, CA · 16341 days ago · 6 km deep · 65 km away
  19. 1.88km NW of Morongo Valley, CA · 16340 days ago · 4 km deep · 51 km away
  20. 1.89km NE of Coachella, CA · 16340 days ago · 4 km deep · 83 km away
  21. 1.68km W of Lucerne Valley, CA · 16339 days ago · 1 km deep · 66 km away
  22. 2.43km NE of Yucaipa, CA · 16338 days ago · 10 km deep · 79 km away
  23. 2.83km NE of Yucaipa, CA · 16338 days ago · 12 km deep · 79 km away
  24. 1.64km SW of Cabazon, CA · 16337 days ago · 15 km deep · 79 km away
  25. 1.627km SE of Twentynine Palms, CA · 16337 days ago · 3 km deep · 70 km away
  26. 2.53km S of Idyllwild, CA · 16335 days ago · 17 km deep · 91 km away
  27. 1.610km NE of Cabazon, CA · 16334 days ago · 11 km deep · 65 km away
  28. 1.64km SSE of Loma Linda, CA · 16333 days ago · 16 km deep · 98 km away
  29. 1.910km WSW of Morongo Valley, CA · 16332 days ago · 13 km deep · 59 km away
  30. 1.69km NE of Coachella, CA · 16332 days ago · 1 km deep · 83 km away
  31. 1.827km SSE of Twentynine Palms, CA · 16330 days ago · 2 km deep · 70 km away
  32. 2.03km NE of Colton, CA · 16330 days ago · 8 km deep · 98 km away
  33. 1.78km NE of Lake Arrowhead, CA · 16330 days ago · 8 km deep · 76 km away
  34. 2.03km NE of Colton, CA · 16329 days ago · 10 km deep · 98 km away
  35. 1.82km NNW of Big Bear City, CA · 16329 days ago · 9 km deep · 53 km away
  36. 2.114km NE of Coachella, CA · 16328 days ago · 5 km deep · 81 km away
  37. 2.17km S of Joshua Tree, CA · 16327 days ago · 3 km deep · 44 km away
  38. 1.59km N of Anza, CA · 16326 days ago · 13 km deep · 98 km away
  39. 2.04km SW of Morongo Valley, CA · 16326 days ago · 10 km deep · 56 km away
  40. 1.811km N of Morongo Valley, CA · 16326 days ago · 2 km deep · 43 km away
  41. 1.53km ESE of Calimesa, CA · 16324 days ago · 13 km deep · 84 km away
  42. 1.82km NE of Yucaipa, CA · 16324 days ago · 6 km deep · 80 km away
  43. 2.59km SSW of Big Bear Lake, CA · 16324 days ago · 9 km deep · 67 km away
  44. 2.425km NNW of Yucca Valley, CA · 16324 days ago · 1 km deep · 23 km away
  45. 1.86km SSW of Idyllwild, CA · 16323 days ago · 14 km deep · 95 km away
  46. 1.817km NNW of Joshua Tree, CA · 16322 days ago · 9 km deep · 21 km away
  47. 2.511km ENE of Desert Hot Springs, CA · 16321 days ago · 4 km deep · 51 km away
  48. 2.26km SSW of Redlands, CA · 16321 days ago · 16 km deep · 96 km away
  49. 1.85km ENE of Cabazon, CA · 16319 days ago · 14 km deep · 70 km away
  50. 1.61km ENE of San Bernardino, CA · 16317 days ago · 2 km deep · 96 km away
  51. 2.523km NNW of Yucca Valley, CA · 16317 days ago · 0 km deep · 22 km away
  52. 1.76km W of Desert Hot Springs, CA · 16317 days ago · 9 km deep · 60 km away
  53. 2.04km SSE of Banning, CA · 16316 days ago · 13 km deep · 81 km away
  54. 1.65km NNE of San Bernardino, CA · 16316 days ago · 2 km deep · 93 km away
  55. 2.116km SW of Fort Irwin, CA · 16313 days ago · 1 km deep · 88 km away
  56. 2.510km NNW of Anza, CA · 16313 days ago · 5 km deep · 98 km away
  57. 1.520km NW of Yucca Valley, CA · 16312 days ago · 13 km deep · 35 km away
  58. 2.012km ENE of Thermal, CA · 16312 days ago · 8 km deep · 92 km away
  59. 2.69km NNW of Anza, CA · 16312 days ago · 16 km deep · 100 km away
  60. 1.73km SSW of Idyllwild, CA · 16311 days ago · 19 km deep · 92 km away

The first 60 of 91.

Before

  1. 1.724km N of Yucca Valley, CA · 16360 days ago · 1 km deep · 19 km away
  2. 1.824km N of Yucca Valley, CA · 16360 days ago · 2 km deep · 19 km away
  3. 1.732km SE of Twentynine Palms, CA · 16361 days ago · 7 km deep · 75 km away
  4. 1.611km S of Idyllwild, CA · 16362 days ago · 10 km deep · 99 km away
  5. 2.524km N of Yucca Valley, CA · 16364 days ago · 0 km deep · 19 km away
  6. 1.834km SE of Fort Irwin, CA · 16364 days ago · 5 km deep · 62 km away
  7. 2.132km SE of Twentynine Palms, CA · 16366 days ago · 9 km deep · 75 km away
  8. 1.634km SE of Fort Irwin, CA · 16367 days ago · 5 km deep · 62 km away
  9. 2.05km SSE of Banning, CA · 16368 days ago · 12 km deep · 81 km away
  10. 2.02km NNE of Loma Linda, CA · 16368 days ago · 13 km deep · 97 km away
  11. 1.72km NNE of Loma Linda, CA · 16368 days ago · 14 km deep · 97 km away
  12. 2.213km NE of Indio, CA · 16368 days ago · 3 km deep · 78 km away
  13. 2.17km SE of Valle Vista, CA · 16369 days ago · 13 km deep · 97 km away
  14. 2.54km SSE of Mentone, CA · 16370 days ago · 4 km deep · 88 km away
  15. 2.635km E of Barstow, CA · 16373 days ago · 5 km deep · 52 km away
  16. 1.714km S of Twentynine Palms, CA · 16373 days ago · 2 km deep · 55 km away
  17. 1.85km N of Banning, CA · 16373 days ago · 16 km deep · 75 km away
  18. 2.034km E of Barstow, CA · 16373 days ago · 5 km deep · 52 km away
  19. 2.034km ENE of Big Bear City, CA · 16373 days ago · 2 km deep · 20 km away
  20. 1.734km E of Barstow, CA · 16373 days ago · 1 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci102788. Read Tue, Sep 22, 2026, 9:35 PM UTC.