California earthquakes

M1.7 earthquake 20km NW of Barstow, California

A magnitude 1.7 earthquake struck 20km NW of Barstow, California on Sat, Jan 4, 2003, 5:20 PM PST (01:20 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M5.0 6km N of Big Bear City, CA. This one was a foreshock.

Lenwood 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
1.7 (Mh), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2003-01-05 01:20:49 UTC
Depth
7.1 km (4.4 mi), shallow
Epicenter
35.009° N, 117.193° 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 0.8 km horizontally, 3.3 km in depth
Depth from
From location
Station coverage gap
106°
Stations used
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 171 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 1.88km NNW of Lake Los Angeles, CA · 8673 days ago · 5 km deep · 70 km away
  2. 2.720km NNE of Lake Los Angeles, CA · 8673 days ago · 3 km deep · 55 km away
  3. 1.713km NW of Ludlow, CA · 8673 days ago · 4 km deep · 88 km away
  4. 1.85km N of Fontana, California · 8673 days ago · 9 km deep · 99 km away
  5. 1.96km NNW of Big Bear Lake, CA · 8671 days ago · 8 km deep · 83 km away
  6. 1.613km NW of Ludlow, California · 8670 days ago · 4 km deep · 88 km away
  7. 1.69km W of Ludlow, CA · 8667 days ago · 7 km deep · 90 km away
  8. 1.620km NNE of Ridgecrest, CA · 8665 days ago · 4 km deep · 96 km away
  9. 1.65km SE of Lytle Creek, CA · 8664 days ago · 10 km deep · 91 km away
  10. 1.618km SSW of Ludlow, CA · 8664 days ago · 5 km deep · 98 km away
  11. 2.36km N of Fontana, CA · 8663 days ago · 9 km deep · 98 km away
  12. 2.56km W of Lytle Creek, California · 8662 days ago · 6 km deep · 90 km away
  13. 1.537km WSW of Ludlow, CA · 8662 days ago · 4 km deep · 77 km away
  14. 1.518km WSW of Ludlow, CA · 8661 days ago · 3 km deep · 86 km away
  15. 1.612km W of Ludlow, CA · 8661 days ago · 2 km deep · 89 km away
  16. 1.59km NE of Ridgecrest, CA · 8661 days ago · 5 km deep · 84 km away
  17. 2.17km N of Big Bear City, CA · 8660 days ago · 4 km deep · 83 km away
  18. 2.27km N of Big Bear City, CA · 8659 days ago · 3 km deep · 83 km away
  19. 1.530km N of Yucca Valley, California · 8658 days ago · 1 km deep · 95 km away
  20. 1.711km SSW of Lucerne Valley, California · 8658 days ago · 0 km deep · 74 km away
  21. 1.526km SSW of Ludlow, California · 8658 days ago · 4 km deep · 99 km away
  22. 1.616km SW of Ludlow, CA · 8657 days ago · 6 km deep · 92 km away
  23. 1.913km NW of Ludlow, CA · 8657 days ago · 4 km deep · 88 km away
  24. 1.819km W of Ludlow, CA · 8656 days ago · 9 km deep · 84 km away
  25. 1.89km N of Big Bear City, California · 8655 days ago · -2 km deep · 81 km away
  26. 1.523km ENE of Barstow, CA · 8655 days ago · 3 km deep · 36 km away
  27. 1.614km WSW of Ludlow, California · 8654 days ago · 5 km deep · 89 km away
  28. 2.118km SW of Ludlow, CA · 8654 days ago · 4 km deep · 96 km away
  29. 1.73km SW of Ludlow, CA · 8652 days ago · 9 km deep · 98 km away
  30. 1.914km NW of Ludlow, CA · 8651 days ago · 5 km deep · 88 km away
  31. 1.86km N of Fontana, CA · 8651 days ago · 9 km deep · 98 km away
  32. 1.932km NNW of Barstow, CA · 8651 days ago · 4 km deep · 20 km away
  33. 1.620km WNW of Ludlow, CA · 8650 days ago · 5 km deep · 80 km away
  34. 1.719km SSW of Ludlow, CA · 8650 days ago · 4 km deep · 97 km away
  35. 1.75km NNW of Big Bear Lake, CA · 8649 days ago · 4 km deep · 84 km away
  36. 1.56km N of Fontana, CA · 8648 days ago · 9 km deep · 98 km away
  37. 1.814km SSW of Ludlow, CA · 8647 days ago · 4 km deep · 98 km away
  38. 1.99km E of Big Bear City, CA · 8645 days ago · 7 km deep · 94 km away
  39. 1.815km N of Ridgecrest, CA · 8645 days ago · 9 km deep · 93 km away
  40. 1.526km N of Yucca Valley, CA · 8645 days ago · 2 km deep · 100 km away
  41. 1.510km N of Running Springs, CA · 8644 days ago · 9 km deep · 79 km away
  42. 1.712km W of Ludlow, CA · 8643 days ago · 3 km deep · 88 km away
  43. 1.817km WNW of Johannesburg, CA · 8643 days ago · 4 km deep · 72 km away
  44. 1.514km WSW of Ludlow, California · 8643 days ago · 3 km deep · 90 km away
  45. 1.617km WNW of Johannesburg, CA · 8643 days ago · 4 km deep · 71 km away
  46. 1.75km N of Fontana, CA · 8643 days ago · 10 km deep · 99 km away
  47. 1.514km NW of Ludlow, CA · 8642 days ago · 5 km deep · 87 km away
  48. 1.617km SW of Ludlow, California · 8641 days ago · 5 km deep · 94 km away
  49. 1.518km WSW of Ludlow, California · 8641 days ago · 2 km deep · 87 km away
  50. 1.514km NW of Ludlow, California · 8641 days ago · 7 km deep · 88 km away
  51. 1.622km W of Johannesburg, CA · 8640 days ago · 7 km deep · 74 km away
  52. 1.614km NW of Ludlow, CA · 8639 days ago · 7 km deep · 88 km away
  53. 1.514km NW of Ludlow, California · 8639 days ago · 6 km deep · 87 km away
  54. 1.814km NW of Ludlow, California · 8639 days ago · 5 km deep · 87 km away
  55. 1.618km SSW of Ludlow, CA · 8638 days ago · 7 km deep · 99 km away
  56. 1.517km WSW of Ludlow, California · 8638 days ago · 9 km deep · 87 km away
  57. 1.714km NW of Ludlow, CA · 8638 days ago · 7 km deep · 87 km away
  58. 1.514km NW of Ludlow, CA · 8638 days ago · 7 km deep · 88 km away
  59. 2.129km N of Yucca Valley, CA · 8638 days ago · 2 km deep · 97 km away
  60. 2.113km NW of Ludlow, CA · 8638 days ago · 4 km deep · 88 km away

The first 60 of 171.

Before

  1. 2.612km SSW of Wrightwood, CA · 8674 days ago · 9 km deep · 95 km away
  2. 1.618km SW of Ludlow, California · 8675 days ago · 5 km deep · 91 km away
  3. 2.56km N of Fontana, CA · 8675 days ago · 9 km deep · 98 km away
  4. 1.810km N of Big Bear City, CA · 8676 days ago · 3 km deep · 80 km away
  5. 2.313km NE of Barstow, CA · 8676 days ago · 5 km deep · 23 km away
  6. 1.537km NE of Lucerne Valley, CA · 8676 days ago · 6 km deep · 65 km away
  7. 2.026km N of Yucca Valley, CA · 8676 days ago · 4 km deep · 99 km away
  8. 2.130km N of Yucca Valley, CA · 8677 days ago · 4 km deep · 97 km away
  9. 1.626km N of Yucca Valley, CA · 8677 days ago · 4 km deep · 99 km away
  10. 2.016km SW of Ludlow, CA · 8678 days ago · 3 km deep · 92 km away
  11. 1.67km E of Big Bear City, CA · 8678 days ago · 2 km deep · 92 km away
  12. 1.639km NE of Big Bear City, California · 8678 days ago · 3 km deep · 85 km away
  13. 1.726km N of Yucca Valley, CA · 8680 days ago · 8 km deep · 99 km away
  14. 1.714km NW of Ludlow, CA · 8680 days ago · 7 km deep · 88 km away
  15. 1.89km SSE of Big Bear City, CA · 8681 days ago · 9 km deep · 98 km away
  16. 1.913km NW of Ludlow, CA · 8681 days ago · 5 km deep · 87 km away
  17. 2.213km WSW of Ludlow, CA · 8682 days ago · 1 km deep · 88 km away
  18. 1.614km NW of Ludlow, CA · 8685 days ago · 7 km deep · 87 km away
  19. 2.214km NW of Ludlow, CA · 8686 days ago · 6 km deep · 87 km away
  20. 1.913km NW of Ludlow, CA · 8686 days ago · 4 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9876905. Read Mon, Oct 5, 2026, 1:51 AM UTC.