California earthquakes

M1.7 earthquake 4km W of Devore, CA

A magnitude 1.7 earthquake struck 4km W of Devore, CA on Fri, Sep 23, 1983, 7:49 PM PDT (02:49 UTC), 12 km (8 mi) below the surface.

A larger quake followed: M3.4 7km SSW 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
1.7 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1983-09-24 02:49:32 UTC
Depth
12.3 km (7.7 mi), shallow
Epicenter
34.229° N, 117.448° 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
From location
Station coverage gap
0°
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: 143 in the 60 days after this one and 68 in the 30 days before it.

After

  1. 1.72km SE of Redlands, CA · 15714 days ago · 11 km deep · 33 km away
  2. 1.82km NNE of Colton, CA · 15714 days ago · 16 km deep · 20 km away
  3. 2.15km WNW of Mira Loma, CA · 15714 days ago · 3 km deep · 26 km away
  4. 2.02km ESE of Redlands, CA · 15714 days ago · 11 km deep · 33 km away
  5. 1.93km E of Colton, CA · 15712 days ago · 13 km deep · 23 km away
  6. 1.68km WNW of Idyllwild, CA · 15712 days ago · 12 km deep · 78 km away
  7. 2.62km E of Willowbrook, CA · 15712 days ago · 13 km deep · 80 km away
  8. 1.82km SSE of Redlands, CA · 15712 days ago · 4 km deep · 33 km away
  9. 1.93km NNW of Colton, CA · 15712 days ago · 4 km deep · 19 km away
  10. 1.92km NNW of Colton, CA · 15712 days ago · 5 km deep · 19 km away
  11. 2.22km NNW of Colton, CA · 15712 days ago · 8 km deep · 19 km away
  12. 1.81km NNW of Valle Vista, CA · 15712 days ago · 12 km deep · 73 km away
  13. 2.37km NE of Nuevo, CA · 15712 days ago · 13 km deep · 54 km away
  14. 1.92km N of Colton, CA · 15712 days ago · 7 km deep · 19 km away
  15. 2.22km NNW of Colton, CA · 15712 days ago · 5 km deep · 19 km away
  16. 2.13km W of Signal Hill, CA · 15712 days ago · 5 km deep · 84 km away
  17. 1.814km WNW of Adelanto, CA · 15711 days ago · 2 km deep · 46 km away
  18. 1.68km NNW of Cabazon, CA · 15711 days ago · 11 km deep · 64 km away
  19. 2.46km NW of Rialto, CA · 15711 days ago · 13 km deep · 10 km away
  20. 2.49km SE of Running Springs, CA · 15711 days ago · 12 km deep · 37 km away
  21. 1.66km E of Running Springs, CA · 15710 days ago · 1 km deep · 37 km away
  22. 1.52km S of Loma Linda, CA · 15710 days ago · 17 km deep · 27 km away
  23. 1.54km SW of Littlerock, CA · 15709 days ago · 5 km deep · 60 km away
  24. 1.712km W of Morongo Valley, CA · 15709 days ago · 13 km deep · 71 km away
  25. 1.93km SE of Yorba Linda, CA · 15709 days ago · 5 km deep · 51 km away
  26. 2.38km N of Rancho Cucamonga, CA · 15708 days ago · 5 km deep · 14 km away
  27. 1.92km N of Moreno Valley, CA · 15708 days ago · 14 km deep · 37 km away
  28. 2.56km WNW of Aguanga, CA · 15707 days ago · 11 km deep · 99 km away
  29. 1.61km NW of Loma Linda, CA · 15706 days ago · 14 km deep · 26 km away
  30. 1.86km W of Muscoy, CA · 15706 days ago · 5 km deep · 10 km away
  31. 1.63km SE of Highland, CA · 15706 days ago · 6 km deep · 27 km away
  32. 1.511km E of Santa Clarita, CA · 15706 days ago · 10 km deep · 89 km away
  33. 1.910km S of Idyllwild, CA · 15706 days ago · 11 km deep · 93 km away
  34. 1.51km ESE of Loma Linda, CA · 15705 days ago · 14 km deep · 27 km away
  35. 1.53km WNW of Cabazon, CA · 15705 days ago · 8 km deep · 67 km away
  36. 1.87km S of Morongo Valley, CA · 15705 days ago · 8 km deep · 85 km away
  37. 2.55km S of Chino Hills, CA · 15705 days ago · 11 km deep · 42 km away
  38. 2.25km S of Chino Hills, CA · 15705 days ago · 12 km deep · 42 km away
  39. 1.74km S of Chino Hills, CA · 15705 days ago · 5 km deep · 42 km away
  40. 1.52km S of Banning, CA · 15705 days ago · 11 km deep · 63 km away
  41. 1.612km WNW of Garnet, CA · 15704 days ago · 14 km deep · 79 km away
  42. 1.915km N of Yucca Valley, CA · 15704 days ago · 5 km deep · 92 km away
  43. 2.825km NNW of Yucca Valley, CA · 15704 days ago · 1 km deep · 87 km away
  44. 2.212km NW of Morongo Valley, CA · 15703 days ago · 9 km deep · 71 km away
  45. 1.98km NE of Desert Hot Springs, CA · 15703 days ago · 12 km deep · 95 km away
  46. 1.97km E of Running Springs, CA · 15703 days ago · 10 km deep · 38 km away
  47. 2.26km SW of Beaumont, CA · 15702 days ago · 13 km deep · 53 km away
  48. 1.78km SE of Valle Vista, CA · 15702 days ago · 16 km deep · 82 km away
  49. 2.138km ENE of Lucerne Valley, CA · 15702 days ago · -1 km deep · 87 km away
  50. 1.616km ESE of Big Bear City, CA · 15702 days ago · 4 km deep · 71 km away
  51. 1.86km SE of Loma Linda, CA · 15702 days ago · 12 km deep · 32 km away
  52. 2.02km SSE of Loma Linda, CA · 15702 days ago · 18 km deep · 29 km away
  53. 2.06km ESE of Morongo Valley, CA · 15701 days ago · 9 km deep · 88 km away
  54. 1.97km N of Big Bear City, CA · 15701 days ago · 5 km deep · 56 km away
  55. 2.42km SE of Loma Linda, CA · 15701 days ago · 17 km deep · 28 km away
  56. 2.026km NNW of Yucca Valley, CA · 15701 days ago · 0 km deep · 87 km away
  57. 2.05km SE of Loma Linda, CA · 15701 days ago · 11 km deep · 32 km away
  58. 3.15km NNE of Beaumont, CA · 15701 days ago · 15 km deep · 53 km away
  59. 1.85km NNE of Beaumont, CA · 15701 days ago · 17 km deep · 53 km away
  60. 1.82km W of Loma Linda, CA · 15701 days ago · 15 km deep · 25 km away

The first 60 of 143.

Before

  1. 1.82km S of Redlands, CA · 15715 days ago · -1 km deep · 32 km away
  2. 2.64km WNW of Monterey Park, CA · 15715 days ago · 9 km deep · 68 km away
  3. 1.77km SW of Idyllwild, CA · 15715 days ago · 18 km deep · 87 km away
  4. 1.913km NE of Lucerne Valley, CA · 15716 days ago · 1 km deep · 63 km away
  5. 2.06km ESE of Chino, CA · 15716 days ago · 2 km deep · 32 km away
  6. 1.91km SSE of Yorba Linda, CA · 15717 days ago · 3 km deep · 51 km away
  7. 2.77km NE of Santa Clarita, CA · 15717 days ago · 12 km deep · 95 km away
  8. 2.510km NE of Running Springs, CA · 15718 days ago · 7 km deep · 38 km away
  9. 1.91km NNE of Loma Linda, CA · 15718 days ago · 15 km deep · 26 km away
  10. 2.03km SSE of Big Bear City, CA · 15718 days ago · 8 km deep · 56 km away
  11. 2.16km ESE of Yucca Valley, CA · 15719 days ago · 2 km deep · 100 km away
  12. 2.15km NW of Big Bear City, CA · 15720 days ago · 4 km deep · 53 km away
  13. 2.014km NNW of Rancho Cucamonga, CA · 15721 days ago · 3 km deep · 19 km away
  14. 2.18km W of Calimesa, CA · 15721 days ago · 11 km deep · 39 km away
  15. 1.67km NE of Cabazon, CA · 15722 days ago · 17 km deep · 71 km away
  16. 2.16km SE of Yucca Valley, CA · 15722 days ago · 3 km deep · 100 km away
  17. 2.15km ENE of Running Springs, CA · 15722 days ago · -1 km deep · 36 km away
  18. 2.022km NNW of Yucca Valley, CA · 15723 days ago · 5 km deep · 88 km away
  19. 2.54km NNE of Fontana, CA · 15723 days ago · 4 km deep · 11 km away
  20. 1.56km SE of Llano, CA · 15723 days ago · 3 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci15548. Read Fri, Oct 2, 2026, 8:29 AM UTC.