California earthquakes

M1.5 earthquake 25 km WSW of Lockwood, California

A magnitude 1.5 earthquake struck 25 km WSW of Lockwood, California on Tue, Aug 30, 1983, 11:04 PM PDT (06:04 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M4.8 11 km NNW of Coalinga, California. 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
1.5 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-08-31 06:04:16 UTC
Depth
8.3 km (5.1 mi), shallow
Epicenter
35.849° N, 121.343° 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 1.5 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
220°, poorly surrounded by stations
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 196 in the 60 days after this one and 198 in the 30 days before it.

After

  1. 1.524 km WSW of Lockwood, California · 15740 days ago · 10 km deep · 2 km away
  2. 2.224 km ENE of Greenfield, California · 15739 days ago · 5 km deep · 71 km away
  3. 2.417 km NNW of Coalinga, California · 15739 days ago · 9 km deep · 97 km away
  4. 3.0Near the coast of Central California · 15739 days ago · 6 km deep · 2 km away
  5. 1.626 km NW of San Simeon, California · 15739 days ago · 12 km deep · 3 km away
  6. 1.624 km NNW of San Simeon, California · 15739 days ago · 7 km deep · 2 km away
  7. 1.623 km WSW of Lockwood, California · 15739 days ago · 10 km deep · 2 km away
  8. 2.426 km WSW of Lockwood, California · 15738 days ago · 11 km deep · 1 km away
  9. 2.126 km WSW of Lockwood, California · 15738 days ago · 9 km deep · 2 km away
  10. 1.926 km NW of San Simeon, California · 15738 days ago · 7 km deep · 8 km away
  11. 2.111 km N of Coalinga, California · 15738 days ago · 8 km deep · 97 km away
  12. 2.024 km NNW of San Simeon, California · 15738 days ago · 8 km deep · 3 km away
  13. 3.316 km N of Coalinga, California · 15738 days ago · 9 km deep · 99 km away
  14. 2.317 km NNW of Coalinga, California · 15738 days ago · 8 km deep · 97 km away
  15. 2.426 km NW of San Simeon, California · 15737 days ago · 8 km deep · 4 km away
  16. 2.316 km SSE of Tres Pinos, California · 15737 days ago · 5 km deep · 89 km away
  17. 1.615 km NNW of Coalinga, California · 15737 days ago · 10 km deep · 95 km away
  18. 1.616 km SSE of Tres Pinos, California · 15737 days ago · 5 km deep · 89 km away
  19. 2.110 km N of Coalinga, California · 15737 days ago · 7 km deep · 97 km away
  20. 1.625 km NNW of San Simeon, California · 15737 days ago · 7 km deep · 1 km away
  21. 1.817 km NNW of Coalinga, California · 15737 days ago · 8 km deep · 97 km away
  22. 1.624 km NE of Greenfield, California · 15737 days ago · 5 km deep · 75 km away
  23. 1.624 km WSW of Lockwood, California · 15737 days ago · 10 km deep · 1 km away
  24. 1.721 km WSW of Lockwood, California · 15737 days ago · 8 km deep · 5 km away
  25. 2.727 km NW of San Simeon, California · 15736 days ago · 8 km deep · 5 km away
  26. 1.512 km NW of Coalinga, California · 15735 days ago · 4 km deep · 92 km away
  27. 1.96 km NE of Coalinga, California · 15735 days ago · 9 km deep · 100 km away
  28. 2.325 km NNW of San Simeon, California · 15735 days ago · 12 km deep · 1 km away
  29. 1.617 km NNW of Coalinga, California · 15735 days ago · 10 km deep · 98 km away
  30. 1.917 km NNW of Coalinga, California · 15735 days ago · 7 km deep · 96 km away
  31. 3.36 km NE of Coalinga, California · 15735 days ago · 8 km deep · 100 km away
  32. 2.014 km NNW of Coalinga, California · 15735 days ago · 4 km deep · 95 km away
  33. 1.514 km N of Coalinga, California · 15734 days ago · 8 km deep · 99 km away
  34. 1.916 km N of Coalinga, California · 15734 days ago · 9 km deep · 98 km away
  35. 1.521 km NNW of San Simeon, California · 15734 days ago · 2 km deep · 5 km away
  36. 1.916 km NNW of Coalinga, California · 15733 days ago · 8 km deep · 98 km away
  37. 2.413 km N of Coalinga, California · 15733 days ago · 9 km deep · 99 km away
  38. 1.923 km NE of San Ardo, California · 15733 days ago · 7 km deep · 65 km away
  39. 2.223 km NE of San Ardo, California · 15733 days ago · 7 km deep · 66 km away
  40. 1.927 km WSW of Lockwood, California · 15733 days ago · 9 km deep · 2 km away
  41. 1.516 km NNW of Coalinga, California · 15732 days ago · 7 km deep · 97 km away
  42. 1.941 km W of San Simeon, California · 15732 days ago · 4 km deep · 32 km away
  43. 1.925 km NW of San Simeon, California · 15732 days ago · 10 km deep · 3 km away
  44. 3.617 km NNW of Coalinga, California · 15732 days ago · 12 km deep · 92 km away
  45. 1.824 km WSW of Lockwood, California · 15732 days ago · 10 km deep · 1 km away
  46. 1.614 km NW of San Simeon, California · 15731 days ago · 10 km deep · 12 km away
  47. 1.715 km NNW of Coalinga, California · 15731 days ago · 9 km deep · 92 km away
  48. 2.69 km N of Coalinga, California · 15731 days ago · 11 km deep · 97 km away
  49. 1.811 km NNW of Coalinga, California · 15731 days ago · 10 km deep · 96 km away
  50. 1.85 km NNE of Coalinga, California · 15730 days ago · 8 km deep · 99 km away
  51. 2.111 km N of Coalinga, California · 15730 days ago · 9 km deep · 99 km away
  52. 2.031 km ENE of Soledad, California · 15730 days ago · 4 km deep · 83 km away
  53. 1.924 km NW of San Simeon, California · 15730 days ago · 7 km deep · 3 km away
  54. 1.824 km NW of San Simeon, California · 15730 days ago · 5 km deep · 5 km away
  55. 1.724 km NW of San Simeon, California · 15730 days ago · 6 km deep · 2 km away
  56. 2.06 km NE of Coalinga, California · 15730 days ago · 7 km deep · 99 km away
  57. 1.711 km N of Coalinga, California · 15730 days ago · 9 km deep · 100 km away
  58. 1.625 km NNW of San Simeon, California · 15730 days ago · 7 km deep · 2 km away
  59. 3.616 km NW of Coalinga, California · 15729 days ago · 4 km deep · 91 km away
  60. 2.219 km NNW of Coalinga, California · 15729 days ago · 10 km deep · 92 km away

The first 60 of 196.

Before

  1. 1.914 km WSW of Three Rocks, California · 15740 days ago · 19 km deep · 99 km away
  2. 2.225 km NNW of San Simeon, California · 15740 days ago · 10 km deep · 1 km away
  3. 1.774 km SW of San Simeon, California · 15740 days ago · 3 km deep · 86 km away
  4. 1.623 km WSW of Lockwood, California · 15740 days ago · 9 km deep · 3 km away
  5. 2.010 km NW of Coalinga, California · 15740 days ago · 4 km deep · 92 km away
  6. 2.030 km SW of Cambria, California · 15740 days ago · 5 km deep · 56 km away
  7. 1.723 km WSW of Lockwood, California · 15740 days ago · 7 km deep · 3 km away
  8. 2.215 km NNW of Coalinga, California · 15740 days ago · 10 km deep · 97 km away
  9. 2.526 km WSW of Lockwood, California · 15741 days ago · 11 km deep · 1 km away
  10. 2.519 km NNW of Coalinga, California · 15741 days ago · 9 km deep · 92 km away
  11. 2.825 km WSW of Lockwood, California · 15741 days ago · 10 km deep · 1 km away
  12. 3.228 km NW of San Simeon, California · 15741 days ago · -1 km deep · 3 km away
  13. 2.226 km NW of San Simeon, California · 15741 days ago · 11 km deep · 1 km away
  14. 1.624 km WSW of Lockwood, California · 15741 days ago · 8 km deep · 1 km away
  15. 1.610 km N of Coalinga, California · 15741 days ago · 8 km deep · 99 km away
  16. 2.127 km NW of San Simeon, California · 15741 days ago · 13 km deep · 2 km away
  17. 2.526 km WSW of Lockwood, California · 15741 days ago · 12 km deep · 1 km away
  18. 1.625 km NNW of San Simeon, California · 15741 days ago · 15 km deep · 2 km away
  19. 1.626 km NW of San Simeon, California · 15741 days ago · 10 km deep · 2 km away
  20. 2.026 km NW of San Simeon, California · 15741 days ago · 10 km deep · 3 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1101607. Read Sat, Oct 3, 2026, 6:19 PM UTC.