California earthquakes

M1.6 earthquake 5 km SSW of Huron, California

A magnitude 1.6 earthquake struck 5 km SSW of Huron, California on Tue, Aug 21, 1984, 3:47 AM PDT (10:47 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 11 km SSE of Huron, 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
1.6 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
1984-08-21 10:47:41 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
36.160° N, 120.135° 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 1.3 km horizontally, 1.3 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
143°
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: 158 in the 60 days after this one and 69 in the 30 days before it.

After

  1. 1.67 km NNE of Coalinga, California · 15381 days ago · 10 km deep · 19 km away
  2. 1.624 km NE of Soledad, California · 15380 days ago · 4 km deep · 98 km away
  3. 1.711 km SW of Huron, California · 15380 days ago · 6 km deep · 7 km away
  4. 2.37 km ENE of San Miguel, California · 15380 days ago · 5 km deep · 62 km away
  5. 3.212 km SW of Huron, California · 15379 days ago · 9 km deep · 7 km away
  6. 1.64 km SSE of Avenal, California · 15379 days ago · 11 km deep · 22 km away
  7. 1.817 km NNW of Coalinga, California · 15379 days ago · 5 km deep · 31 km away
  8. 1.712 km SW of Huron, California · 15379 days ago · 5 km deep · 7 km away
  9. 1.813 km ESE of Coalinga, California · 15379 days ago · 0 km deep · 9 km away
  10. 1.923 km ENE of Soledad, California · 15378 days ago · 3 km deep · 92 km away
  11. 1.710 km N of Coalinga, California · 15377 days ago · 9 km deep · 21 km away
  12. 1.834 km WSW of Three Rocks, California · 15377 days ago · 14 km deep · 62 km away
  13. 1.513 km N of Cayucos, California · 15377 days ago · 5 km deep · 95 km away
  14. 1.616 km NNW of Coalinga, California · 15376 days ago · 8 km deep · 28 km away
  15. 2.312 km ESE of Coalinga, California · 15375 days ago · 11 km deep · 12 km away
  16. 1.531 km NE of San Ardo, California · 15374 days ago · 7 km deep · 51 km away
  17. 2.318 km N of Coalinga, California · 15374 days ago · 14 km deep · 26 km away
  18. 2.110 km N of Coalinga, California · 15374 days ago · 5 km deep · 20 km away
  19. 1.512 km W of Huron, California · 15373 days ago · 13 km deep · 11 km away
  20. 1.822 km ENE of Soledad, California · 15373 days ago · 2 km deep · 97 km away
  21. 1.824 km NE of Soledad, California · 15373 days ago · 1 km deep · 99 km away
  22. 1.618 km N of Coalinga, California · 15373 days ago · 6 km deep · 23 km away
  23. 2.912 km NNE of Coalinga, California · 15372 days ago · 9 km deep · 20 km away
  24. 3.06 km ESE of Coalinga, California · 15372 days ago · 15 km deep · 15 km away
  25. 2.019 km S of Three Rocks, California · 15372 days ago · 10 km deep · 28 km away
  26. 1.715 km NNW of Coalinga, California · 15371 days ago · 6 km deep · 27 km away
  27. 1.934 km ENE of San Lucas, California · 15371 days ago · 13 km deep · 53 km away
  28. 2.023 km ENE of Soledad, California · 15370 days ago · 3 km deep · 92 km away
  29. 1.611 km NNE of Coalinga, California · 15370 days ago · 6 km deep · 17 km away
  30. 2.613 km NNE of Shandon, California · 15370 days ago · 1 km deep · 47 km away
  31. 1.616 km NW of Parkfield, California · 15370 days ago · 5 km deep · 42 km away
  32. 2.46 km NE of Coalinga, California · 15370 days ago · 2 km deep · 16 km away
  33. 1.823 km NE of Soledad, California · 15369 days ago · 1 km deep · 99 km away
  34. 1.617 km NNW of Coalinga, California · 15368 days ago · 9 km deep · 32 km away
  35. 2.026 km NE of Soledad, California · 15368 days ago · 7 km deep · 97 km away
  36. 1.93 km SSE of Avenal, California · 15367 days ago · 11 km deep · 21 km away
  37. 1.62 km SSE of Avenal, California · 15367 days ago · 14 km deep · 20 km away
  38. 2.03 km SSE of Avenal, California · 15367 days ago · 12 km deep · 21 km away
  39. 3.117 km N of Coalinga, California · 15367 days ago · 6 km deep · 24 km away
  40. 1.69 km ENE of Coalinga, California · 15366 days ago · 0 km deep · 12 km away
  41. 1.95 km SSE of Parkfield, California · 15366 days ago · 4 km deep · 41 km away
  42. 3.511 km SSE of Huron, California · 15365 days ago · 8 km deep · 9 km away
  43. 2.111 km S of Huron, California · 15365 days ago · 7 km deep · 8 km away
  44. 2.111 km SSE of Huron, California · 15365 days ago · 7 km deep · 9 km away
  45. 2.010 km NE of Cayucos, California · 15364 days ago · 6 km deep · 95 km away
  46. 1.810 km ENE of Bradley, California · 15364 days ago · 5 km deep · 59 km away
  47. 1.924 km NE of Greenfield, California · 15364 days ago · 5 km deep · 90 km away
  48. 2.41 km ESE of Stratford, California · 15364 days ago · 19 km deep · 30 km away
  49. 1.518 km N of Coalinga, California · 15364 days ago · 4 km deep · 24 km away
  50. 2.318 km NW of Parkfield, California · 15364 days ago · 5 km deep · 42 km away
  51. 2.518 km NW of Parkfield, California · 15364 days ago · 3 km deep · 44 km away
  52. 1.512 km NW of Avenal, California · 15364 days ago · 6 km deep · 11 km away
  53. 2.37 km SSE of Fairmead, California · 15364 days ago · 3 km deep · 95 km away
  54. 1.622 km NE of Soledad, California · 15364 days ago · 2 km deep · 98 km away
  55. 2.110 km NNW of Kettleman City, California · 15363 days ago · 7 km deep · 12 km away
  56. 2.223 km ENE of Soledad, California · 15363 days ago · 3 km deep · 92 km away
  57. 2.612 km SW of Huron, California · 15363 days ago · 8 km deep · 7 km away
  58. 1.837 km NE of Greenfield, California · 15362 days ago · 4 km deep · 80 km away
  59. 1.617 km NNW of Coalinga, California · 15362 days ago · 5 km deep · 30 km away
  60. 1.69 km N of Coalinga, California · 15362 days ago · 9 km deep · 21 km away

The first 60 of 158.

Before

  1. 1.67 km SW of Huron, California · 15381 days ago · 7 km deep · 2 km away
  2. 2.223 km ENE of San Lucas, California · 15382 days ago · 5 km deep · 59 km away
  3. 1.59 km NW of Parkfield, California · 15383 days ago · 3 km deep · 41 km away
  4. 1.618 km NW of Parkfield, California · 15383 days ago · 1 km deep · 43 km away
  5. 2.015 km NNE of Coalinga, California · 15384 days ago · 8 km deep · 21 km away
  6. 2.115 km NNW of Coalinga, California · 15385 days ago · 10 km deep · 30 km away
  7. 1.72 km WSW of Riverdale, California · 15385 days ago · 9 km deep · 37 km away
  8. 1.923 km ENE of San Lucas, California · 15386 days ago · 5 km deep · 59 km away
  9. 2.615 km N of Coalinga, California · 15386 days ago · 9 km deep · 25 km away
  10. 2.512 km SW of Huron, California · 15386 days ago · 5 km deep · 8 km away
  11. 3.111 km SW of Huron, California · 15386 days ago · 9 km deep · 6 km away
  12. 1.510 km SW of Huron, California · 15386 days ago · 5 km deep · 5 km away
  13. 1.625 km ENE of Greenfield, California · 15387 days ago · -1 km deep · 84 km away
  14. 3.212 km SW of Huron, California · 15387 days ago · 9 km deep · 7 km away
  15. 1.925 km ENE of Greenfield, California · 15387 days ago · 0 km deep · 85 km away
  16. 1.811 km NNE of Coalinga, California · 15387 days ago · 8 km deep · 20 km away
  17. 1.625 km ENE of Greenfield, California · 15388 days ago · -1 km deep · 83 km away
  18. 2.112 km N of Coalinga, California · 15388 days ago · 8 km deep · 24 km away
  19. 2.59 km E of Coalinga, California · 15389 days ago · 9 km deep · 10 km away
  20. 1.59 km ESE of Coalinga, California · 15389 days ago · 4 km deep · 13 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc26030. Read Thu, Oct 1, 2026, 9:03 PM UTC.