California earthquakes

M1.9 earthquake 12 km SW of Huron, California

A magnitude 1.9 earthquake struck 12 km SW of Huron, California on Thu, Aug 18, 1983, 7:18 PM PDT (02:18 UTC), 9 km (6 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
1983-08-19 02:18:37 UTC
Depth
8.9 km (5.5 mi), shallow
Epicenter
36.110° N, 120.182° 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 0.7 km horizontally, 0.9 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
162°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and at least 200 in the 30 days before it.

After

  1. 2.612 km NNW of Avenal, California · 15752 days ago · 7 km deep · 2 km away
  2. 1.67 km NE of Coalinga, California · 15752 days ago · 9 km deep · 13 km away
  3. 2.87 km NE of Coalinga, California · 15752 days ago · 11 km deep · 13 km away
  4. 2.57 km NE of Coalinga, California · 15752 days ago · 9 km deep · 13 km away
  5. 1.87 km NE of Coalinga, California · 15752 days ago · 9 km deep · 13 km away
  6. 2.47 km ENE of Coalinga, California · 15752 days ago · 9 km deep · 12 km away
  7. 1.97 km NE of Coalinga, California · 15752 days ago · 9 km deep · 12 km away
  8. 2.212 km E of Coalinga, California · 15752 days ago · 13 km deep · 4 km away
  9. 1.914 km NNW of Coalinga, California · 15752 days ago · 10 km deep · 28 km away
  10. 1.715 km NNW of Coalinga, California · 15752 days ago · 6 km deep · 29 km away
  11. 2.29 km NNW of Coalinga, California · 15752 days ago · 7 km deep · 23 km away
  12. 1.817 km NNW of Coalinga, California · 15751 days ago · 9 km deep · 29 km away
  13. 2.53 km SSW of Huron, California · 15751 days ago · 7 km deep · 9 km away
  14. 1.81 km WNW of Greenfield, California · 15751 days ago · 23 km deep · 100 km away
  15. 2.416 km N of Coalinga, California · 15751 days ago · 8 km deep · 28 km away
  16. 1.610 km NW of Coalinga, California · 15751 days ago · 0 km deep · 26 km away
  17. 1.612 km NNW of Coalinga, California · 15751 days ago · 4 km deep · 26 km away
  18. 2.616 km N of Coalinga, California · 15751 days ago · 9 km deep · 27 km away
  19. 1.915 km NNW of Coalinga, California · 15751 days ago · 5 km deep · 29 km away
  20. 1.69 km NE of Coalinga, California · 15750 days ago · 14 km deep · 12 km away
  21. 2.717 km NNW of Coalinga, California · 15750 days ago · 8 km deep · 29 km away
  22. 1.810 km ENE of Coalinga, California · 15749 days ago · 13 km deep · 11 km away
  23. 2.06 km NE of Coalinga, California · 15749 days ago · 11 km deep · 14 km away
  24. 1.615 km NNW of Coalinga, California · 15749 days ago · 6 km deep · 27 km away
  25. 1.812 km NNE of Coalinga, California · 15749 days ago · 7 km deep · 18 km away
  26. 2.216 km N of Coalinga, California · 15749 days ago · 8 km deep · 27 km away
  27. 1.914 km WNW of Huron, California · 15749 days ago · 6 km deep · 17 km away
  28. 1.812 km NE of Coalinga, California · 15749 days ago · 9 km deep · 16 km away
  29. 1.811 km N of Coalinga, California · 15749 days ago · 8 km deep · 23 km away
  30. 2.112 km N of Coalinga, California · 15749 days ago · 10 km deep · 23 km away
  31. 2.216 km NNW of Coalinga, California · 15748 days ago · 8 km deep · 29 km away
  32. 1.815 km NNW of Coalinga, California · 15748 days ago · 6 km deep · 29 km away
  33. 1.916 km NNW of Coalinga, California · 15748 days ago · 6 km deep · 29 km away
  34. 1.811 km NNE of Coalinga, California · 15748 days ago · 4 km deep · 17 km away
  35. 1.817 km NNW of Coalinga, California · 15748 days ago · 6 km deep · 29 km away
  36. 1.811 km NNW of Coalinga, California · 15748 days ago · 7 km deep · 24 km away
  37. 2.7Central California · 15748 days ago · 10 km deep · 32 km away
  38. 1.95 km SW of Huron, California · 15748 days ago · 11 km deep · 7 km away
  39. 2.36 km NE of Coalinga, California · 15748 days ago · 7 km deep · 13 km away
  40. 1.99 km ENE of Coalinga, California · 15747 days ago · 12 km deep · 11 km away
  41. 1.68 km NE of Coalinga, California · 15747 days ago · 10 km deep · 13 km away
  42. 1.912 km W of Huron, California · 15747 days ago · 15 km deep · 10 km away
  43. 2.225 km ENE of Greenfield, California · 15747 days ago · 5 km deep · 82 km away
  44. 1.611 km NNE of Coalinga, California · 15747 days ago · 9 km deep · 19 km away
  45. 1.711 km NNW of Coalinga, California · 15747 days ago · 5 km deep · 25 km away
  46. 3.415km NNW of Coalinga, CA · 15747 days ago · 2 km deep · 27 km away
  47. 2.015 km N of Coalinga, California · 15747 days ago · 12 km deep · 26 km away
  48. 1.913 km NNW of Coalinga, California · 15747 days ago · 3 km deep · 26 km away
  49. 1.710 km SW of Huron, California · 15747 days ago · 7 km deep · 3 km away
  50. 1.812 km NNW of Coalinga, California · 15747 days ago · 5 km deep · 25 km away
  51. 1.612 km E of Coalinga, California · 15747 days ago · 11 km deep · 6 km away
  52. 2.6Central California · 15747 days ago · 8 km deep · 26 km away
  53. 2.312 km NNW of Coalinga, California · 15747 days ago · 6 km deep · 26 km away
  54. 2.610 km NNE of Coalinga, California · 15746 days ago · 8 km deep · 17 km away
  55. 2.613 km NNE of Coalinga, California · 15746 days ago · 14 km deep · 18 km away
  56. 2.712km NE of Coalinga, CA · 15746 days ago · 12 km deep · 14 km away
  57. 2.01 km SE of San Ardo, California · 15746 days ago · 10 km deep · 65 km away
  58. 2.623 km ENE of San Ardo, California · 15746 days ago · 6 km deep · 44 km away
  59. 2.510 km NE of Coalinga, California · 15746 days ago · 7 km deep · 14 km away
  60. 1.612 km NNE of Coalinga, California · 15746 days ago · 9 km deep · 17 km away

The first 60 of 198.

Before

  1. 2.612 km NNW of Avenal, California · 15752 days ago · 8 km deep · 2 km away
  2. 1.710 km NW of Parkfield, California · 15752 days ago · 3 km deep · 35 km away
  3. 1.525 km WNW of Coalinga, California · 15752 days ago · 4 km deep · 42 km away
  4. 1.824 km ENE of Greenfield, California · 15752 days ago · 6 km deep · 82 km away
  5. 1.825 km ENE of Greenfield, California · 15752 days ago · 5 km deep · 82 km away
  6. 2.711 km WSW of Huron, California · 15752 days ago · 11 km deep · 6 km away
  7. 2.08 km SW of Huron, California · 15752 days ago · 9 km deep · 4 km away
  8. 1.89 km ENE of Coalinga, California · 15753 days ago · 7 km deep · 9 km away
  9. 1.76 km ENE of Coalinga, California · 15753 days ago · 6 km deep · 11 km away
  10. 1.710 km NNE of Coalinga, California · 15753 days ago · 8 km deep · 16 km away
  11. 2.24 km SSW of Huron, California · 15753 days ago · 7 km deep · 8 km away
  12. 1.824 km NE of Greenfield, California · 15753 days ago · 4 km deep · 88 km away
  13. 2.211 km NNE of Coalinga, California · 15753 days ago · 10 km deep · 19 km away
  14. 2.911 km E of Coalinga, California · 15753 days ago · 6 km deep · 5 km away
  15. 2.414 km NNW of Coalinga, California · 15753 days ago · 6 km deep · 27 km away
  16. 1.518 km S of Three Rocks, California · 15753 days ago · 9 km deep · 30 km away
  17. 1.97 km WSW of Huron, California · 15753 days ago · 7 km deep · 8 km away
  18. 1.56 km NNE of Coalinga, California · 15753 days ago · 9 km deep · 18 km away
  19. 1.67 km NE of Coalinga, California · 15753 days ago · 9 km deep · 12 km away
  20. 2.637 km SSW of South Dos Palos, California · 15753 days ago · 6 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1100657 (also filed as ci20118). Read Sun, Oct 4, 2026, 1:57 AM UTC.