California earthquakes

M1.5 earthquake 17km N of Ridgecrest, CA

A magnitude 1.5 earthquake struck 17km N of Ridgecrest, CA on Sun, Oct 20, 2002, 3:26 PM PDT (22:26 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.1 22km NNE of Trona, CA. This one was a foreshock.

Ridgecrest forecastMore in California

Map

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

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2002-10-20 22:26:49 UTC
Depth
7.4 km (4.6 mi), shallow
Epicenter
35.774° N, 117.672° 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 0.3 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.30
Depth from
From location
Station coverage gap
65°
Stations used
24

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 78 in the 60 days after this one and 67 in the 30 days before it.

After

  1. 1.525km WNW of Inyokern, CA · 8749 days ago · 5 km deep · 36 km away
  2. 1.627km NNE of Kernville, CA · 8749 days ago · 4 km deep · 64 km away
  3. 2.19km SE of Lone Pine, CA · 8747 days ago · 3 km deep · 90 km away
  4. 2.58km ESE of Coso Junction, CA · 8747 days ago · 2 km deep · 32 km away
  5. 1.78km ESE of Coso Junction, CA · 8746 days ago · 3 km deep · 32 km away
  6. 2.07km SE of Coso Junction, CA · 8746 days ago · 3 km deep · 32 km away
  7. 1.57km ESE of Coso Junction, CA · 8745 days ago · 4 km deep · 33 km away
  8. 1.57km SE of Coso Junction, California · 8744 days ago · 3 km deep · 32 km away
  9. 1.619km N of Ridgecrest, CA · 8744 days ago · 7 km deep · 2 km away
  10. 1.925km W of Coso Junction, CA · 8744 days ago · 4 km deep · 60 km away
  11. 1.67km ESE of Coso Junction, CA · 8742 days ago · 4 km deep · 32 km away
  12. 1.922km NNE of Trona, CA · 8742 days ago · 4 km deep · 39 km away
  13. 1.727km NE of Boron, California · 8741 days ago · 5 km deep · 71 km away
  14. 1.98km NW of Olancha, California · 8739 days ago · 7 km deep · 72 km away
  15. 1.713km E of Coso Junction, California · 8736 days ago · -1 km deep · 31 km away
  16. 1.922km NNE of Trona, CA · 8736 days ago · 4 km deep · 39 km away
  17. 2.08km N of Olancha, California · 8736 days ago · 0 km deep · 70 km away
  18. 1.65km NNE of Little Lake, CA · 8734 days ago · 2 km deep · 30 km away
  19. 1.56km NE of Coso Junction, California · 8733 days ago · 2 km deep · 39 km away
  20. 2.420km NW of Tehachapi, CA · 8731 days ago · 4 km deep · 100 km away
  21. 2.720km NW of Tehachapi, CA · 8731 days ago · 4 km deep · 100 km away
  22. 1.824km NNE of Trona, CA · 8731 days ago · 4 km deep · 41 km away
  23. 3.122km NNE of Trona, CA · 8731 days ago · 4 km deep · 39 km away
  24. 2.431km NNW of Barstow, CA · 8730 days ago · 5 km deep · 82 km away
  25. 1.840km NNW of Fort Irwin, California · 8729 days ago · 6 km deep · 76 km away
  26. 1.516km ESE of Bodfish, CA · 8728 days ago · 7 km deep · 65 km away
  27. 1.622km NNE of Trona, CA · 8727 days ago · 4 km deep · 38 km away
  28. 1.615km E of Lake Isabella, CA · 8726 days ago · 9 km deep · 60 km away
  29. 1.626km SSW of Bodfish, CA · 8725 days ago · 5 km deep · 93 km away
  30. 1.718km NNW of Tehachapi, CA · 8724 days ago · 4 km deep · 98 km away
  31. 1.929km E of Coso Junction, CA · 8724 days ago · 3 km deep · 35 km away
  32. 1.511km SSE of Bodfish, CA · 8723 days ago · 4 km deep · 78 km away
  33. 2.431km E of Coso Junction, CA · 8722 days ago · -1 km deep · 35 km away
  34. 1.631km E of Coso Junction, CA · 8722 days ago · 0 km deep · 35 km away
  35. 1.527km WSW of Olancha, California · 8722 days ago · 6 km deep · 75 km away
  36. 1.813km SSE of Olancha, CA · 8721 days ago · 3 km deep · 51 km away
  37. 1.826km NNE of Trona, CA · 8718 days ago · 4 km deep · 43 km away
  38. 1.918km SSW of Bodfish, CA · 8717 days ago · 4 km deep · 90 km away
  39. 1.617km NNE of Olancha, California · 8717 days ago · 10 km deep · 74 km away
  40. 1.929km SSW of Stovepipe Wells, CA · 8717 days ago · 7 km deep · 76 km away
  41. 1.719km ENE of Little Lake, CA · 8716 days ago · 2 km deep · 27 km away
  42. 2.219km ENE of Little Lake, CA · 8716 days ago · 0 km deep · 26 km away
  43. 2.118km E of Little Lake, CA · 8715 days ago · 3 km deep · 17 km away
  44. 1.517km E of Little Lake, CA · 8715 days ago · 4 km deep · 18 km away
  45. 1.917km E of Little Lake, CA · 8715 days ago · 4 km deep · 17 km away
  46. 1.516km SE of Olancha, California · 8715 days ago · 7 km deep · 49 km away
  47. 1.718km E of Little Lake, CA · 8715 days ago · 4 km deep · 17 km away
  48. 1.917km E of Little Lake, CA · 8714 days ago · 3 km deep · 18 km away
  49. 2.130km NNW of Barstow, California · 8714 days ago · 9 km deep · 85 km away
  50. 1.57km E of Coso Junction, California · 8714 days ago · 3 km deep · 34 km away
  51. 2.118km E of Little Lake, CA · 8713 days ago · 4 km deep · 17 km away
  52. 1.617km NNE of Olancha, California · 8713 days ago · 10 km deep · 74 km away
  53. 2.118km E of Little Lake, CA · 8711 days ago · 3 km deep · 18 km away
  54. 1.71km W of Olancha, California · 8711 days ago · 4 km deep · 64 km away
  55. 1.617km E of Little Lake, CA · 8710 days ago · 3 km deep · 17 km away
  56. 2.627km W of Olancha, CA · 8708 days ago · 4 km deep · 80 km away
  57. 2.227km W of Olancha, CA · 8708 days ago · 4 km deep · 79 km away
  58. 1.928km W of Olancha, CA · 8708 days ago · 4 km deep · 80 km away
  59. 1.828km W of Olancha, California · 8708 days ago · 6 km deep · 79 km away
  60. 2.127km W of Olancha, California · 8708 days ago · 6 km deep · 80 km away

The first 60 of 78.

Before

  1. 1.64km NNW of Little Lake, CA · 8751 days ago · 2 km deep · 31 km away
  2. 1.58km NW of Olancha, California · 8751 days ago · 4 km deep · 71 km away
  3. 1.89km NW of Olancha, CA · 8753 days ago · 2 km deep · 72 km away
  4. 2.327km E of Johannesburg, CA · 8754 days ago · 5 km deep · 55 km away
  5. 1.84km E of Lone Pine, California · 8754 days ago · 4 km deep · 96 km away
  6. 1.630km E of Coso Junction, CA · 8755 days ago · 3 km deep · 36 km away
  7. 1.96km E of Coso Junction, CA · 8755 days ago · 1 km deep · 35 km away
  8. 1.922km ESE of Lone Pine, CA · 8755 days ago · 8 km deep · 86 km away
  9. 1.722km SE of Lone Pine, California · 8756 days ago · 6 km deep · 78 km away
  10. 1.728km E of Coso Junction, CA · 8756 days ago · 3 km deep · 35 km away
  11. 1.76km ESE of Coso Junction, CA · 8758 days ago · 3 km deep · 33 km away
  12. 1.823km NNE of Trona, CA · 8759 days ago · 4 km deep · 40 km away
  13. 2.06km NE of Little Lake, CA · 8759 days ago · 3 km deep · 29 km away
  14. 2.012km SW of Olancha, CA · 8759 days ago · 4 km deep · 60 km away
  15. 1.540km E of Trona, California · 8760 days ago · 6 km deep · 66 km away
  16. 1.526km WSW of Olancha, California · 8762 days ago · 2 km deep · 75 km away
  17. 1.531km ENE of Little Lake, CA · 8762 days ago · 2 km deep · 30 km away
  18. 1.624km WNW of Searles Valley, CA · 8762 days ago · 9 km deep · 8 km away
  19. 1.621km NNE of Trona, CA · 8762 days ago · 0 km deep · 36 km away
  20. 1.810km NE of Coso Junction, CA · 8763 days ago · 3 km deep · 42 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9852381. Read Mon, Oct 5, 2026, 9:40 AM UTC.