California earthquakes

M1.9 earthquake 5 km SW of Huron, California

A magnitude 1.9 earthquake struck 5 km SW of Huron, California on Tue, Aug 23, 1983, 2:30 AM PDT (09:30 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M5.5 11 km NE of Coalinga, California. This one was a foreshock.

Huron 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
1.9 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1983-08-23 09:30:32 UTC
Depth
11.5 km (7.1 mi), shallow
Epicenter
36.169° N, 120.145° 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 0.6 km horizontally, 1.2 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
134°
Stations used
11

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 199 in the 30 days before it.

After

  1. 2.36 km NE of Coalinga, California · 15746 days ago · 7 km deep · 14 km away
  2. 1.99 km ENE of Coalinga, California · 15746 days ago · 12 km deep · 11 km away
  3. 1.68 km NE of Coalinga, California · 15746 days ago · 10 km deep · 13 km away
  4. 1.912 km W of Huron, California · 15745 days ago · 15 km deep · 8 km away
  5. 2.225 km ENE of Greenfield, California · 15745 days ago · 5 km deep · 82 km away
  6. 1.611 km NNE of Coalinga, California · 15745 days ago · 9 km deep · 18 km away
  7. 1.711 km NNW of Coalinga, California · 15745 days ago · 5 km deep · 25 km away
  8. 3.415km NNW of Coalinga, CA · 15745 days ago · 2 km deep · 27 km away
  9. 2.015 km N of Coalinga, California · 15745 days ago · 12 km deep · 24 km away
  10. 1.913 km NNW of Coalinga, California · 15745 days ago · 3 km deep · 25 km away
  11. 1.710 km SW of Huron, California · 15745 days ago · 7 km deep · 5 km away
  12. 1.812 km NNW of Coalinga, California · 15745 days ago · 5 km deep · 24 km away
  13. 1.612 km E of Coalinga, California · 15745 days ago · 11 km deep · 8 km away
  14. 2.6Central California · 15745 days ago · 8 km deep · 25 km away
  15. 2.312 km NNW of Coalinga, California · 15745 days ago · 6 km deep · 27 km away
  16. 2.610 km NNE of Coalinga, California · 15745 days ago · 8 km deep · 16 km away
  17. 2.613 km NNE of Coalinga, California · 15745 days ago · 14 km deep · 16 km away
  18. 2.712km NE of Coalinga, CA · 15745 days ago · 12 km deep · 12 km away
  19. 2.01 km SE of San Ardo, California · 15745 days ago · 10 km deep · 69 km away
  20. 2.623 km ENE of San Ardo, California · 15744 days ago · 6 km deep · 48 km away
  21. 2.510 km NE of Coalinga, California · 15744 days ago · 7 km deep · 13 km away
  22. 1.612 km NNE of Coalinga, California · 15744 days ago · 9 km deep · 15 km away
  23. 2.110 km NE of Coalinga, California · 15744 days ago · 6 km deep · 13 km away
  24. 1.515 km NNW of Coalinga, California · 15744 days ago · 9 km deep · 26 km away
  25. 1.916 km S of Three Rocks, California · 15744 days ago · 6 km deep · 28 km away
  26. 2.319 km NNE of Coalinga, California · 15744 days ago · 4 km deep · 21 km away
  27. 1.710 km NNE of Coalinga, California · 15744 days ago · 2 km deep · 17 km away
  28. 1.98 km N of Coalinga, California · 15744 days ago · 10 km deep · 20 km away
  29. 1.910 km NNE of Coalinga, California · 15744 days ago · 7 km deep · 17 km away
  30. 1.730 km ENE of Soledad, California · 15744 days ago · 7 km deep · 92 km away
  31. 1.68 km E of Coalinga, California · 15744 days ago · 9 km deep · 11 km away
  32. 2.024 km NNE of San Lucas, California · 15744 days ago · 3 km deep · 69 km away
  33. 1.719 km NNE of Coalinga, California · 15744 days ago · 3 km deep · 22 km away
  34. 2.323 km NE of King City, California · 15744 days ago · 5 km deep · 77 km away
  35. 1.518 km N of Coalinga, California · 15744 days ago · 2 km deep · 23 km away
  36. 2.316 km N of Coalinga, California · 15744 days ago · 9 km deep · 24 km away
  37. 1.925 km NE of Greenfield, California · 15744 days ago · 1 km deep · 84 km away
  38. 1.511 km NNW of Coalinga, California · 15743 days ago · 3 km deep · 25 km away
  39. 2.312 km NE of Coalinga, California · 15743 days ago · 13 km deep · 13 km away
  40. 3.310 km NE of Coalinga, California · 15743 days ago · 9 km deep · 13 km away
  41. 2.610 km NE of Coalinga, California · 15743 days ago · 8 km deep · 13 km away
  42. 2.110 km ENE of Coalinga, California · 15743 days ago · 5 km deep · 10 km away
  43. 2.919 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 32 km away
  44. 4.020 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 33 km away
  45. 3.020 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 33 km away
  46. 1.519 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 32 km away
  47. 1.920 km NNW of Coalinga, California · 15743 days ago · 9 km deep · 33 km away
  48. 1.919 km NNW of Coalinga, California · 15743 days ago · 9 km deep · 33 km away
  49. 1.719 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 33 km away
  50. 2.320 km NW of Coalinga, California · 15743 days ago · 9 km deep · 33 km away
  51. 2.619 km NNW of Coalinga, California · 15743 days ago · 10 km deep · 32 km away
  52. 2.219 km NNW of Coalinga, California · 15743 days ago · 10 km deep · 32 km away
  53. 1.921 km NW of Coalinga, California · 15743 days ago · 7 km deep · 35 km away
  54. 2.312 km SW of Huron, California · 15743 days ago · 8 km deep · 7 km away
  55. 2.020 km NNW of Coalinga, California · 15743 days ago · 10 km deep · 33 km away
  56. 1.920 km NNW of Coalinga, California · 15743 days ago · 11 km deep · 33 km away
  57. 2.312 km NNE of Coalinga, California · 15743 days ago · 12 km deep · 16 km away
  58. 1.619 km SSW of Kettleman City, California · 15743 days ago · 25 km deep · 39 km away
  59. 2.117 km NNW of Coalinga, California · 15742 days ago · 6 km deep · 28 km away
  60. 3.77 km NNW of Coalinga, California · 15742 days ago · 11 km deep · 21 km away

The first 60 of 199.

Before

  1. 2.7Central California · 15746 days ago · 10 km deep · 31 km away
  2. 1.811 km NNW of Coalinga, California · 15746 days ago · 7 km deep · 24 km away
  3. 1.817 km NNW of Coalinga, California · 15746 days ago · 6 km deep · 28 km away
  4. 1.811 km NNE of Coalinga, California · 15746 days ago · 4 km deep · 16 km away
  5. 1.916 km NNW of Coalinga, California · 15746 days ago · 6 km deep · 28 km away
  6. 1.815 km NNW of Coalinga, California · 15746 days ago · 6 km deep · 28 km away
  7. 2.216 km NNW of Coalinga, California · 15746 days ago · 8 km deep · 28 km away
  8. 2.112 km N of Coalinga, California · 15747 days ago · 10 km deep · 22 km away
  9. 1.811 km N of Coalinga, California · 15747 days ago · 8 km deep · 23 km away
  10. 1.812 km NE of Coalinga, California · 15747 days ago · 9 km deep · 14 km away
  11. 1.914 km WNW of Huron, California · 15747 days ago · 6 km deep · 13 km away
  12. 2.216 km N of Coalinga, California · 15747 days ago · 8 km deep · 26 km away
  13. 1.812 km NNE of Coalinga, California · 15747 days ago · 7 km deep · 16 km away
  14. 1.615 km NNW of Coalinga, California · 15747 days ago · 6 km deep · 26 km away
  15. 2.06 km NE of Coalinga, California · 15747 days ago · 11 km deep · 15 km away
  16. 1.810 km ENE of Coalinga, California · 15747 days ago · 13 km deep · 11 km away
  17. 2.717 km NNW of Coalinga, California · 15748 days ago · 8 km deep · 28 km away
  18. 1.69 km NE of Coalinga, California · 15748 days ago · 14 km deep · 12 km away
  19. 1.915 km NNW of Coalinga, California · 15749 days ago · 5 km deep · 29 km away
  20. 2.616 km N of Coalinga, California · 15749 days ago · 9 km deep · 26 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1100891. Read Fri, Oct 2, 2026, 4:44 AM UTC.