California earthquakes

M2.1 earthquake 5 km S of Huron, California

A magnitude 2.1 earthquake struck 5 km S of Huron, California on Thu, Aug 21, 1986, 9:20 PM PDT (04:20 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.4 15 km NW 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
2.1 (md), micro
Local time
UTC
1986-08-22 04:20:18 UTC
Depth
11.1 km (6.9 mi), shallow
Epicenter
36.153° N, 120.113° 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 9.3 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
165°
Stations used
7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 86 in the 60 days after this one and 40 in the 30 days before it.

After

  1. 2.111 km NW of Kettleman City, California · 14647 days ago · 15 km deep · 10 km away
  2. 2.36km ENE of Simmler, CA · 14646 days ago · 4 km deep · 88 km away
  3. 1.623 km ENE of King City, California · 14644 days ago · 4 km deep · 74 km away
  4. 1.94 km NNE of Coalinga, California · 14644 days ago · 13 km deep · 20 km away
  5. 1.916 km NNW of Coalinga, California · 14643 days ago · 8 km deep · 32 km away
  6. 1.71 km W of Parkfield, California · 14640 days ago · 5 km deep · 41 km away
  7. 3.31 km W of Parkfield, California · 14640 days ago · 6 km deep · 41 km away
  8. 2.64 km NNE of Coalinga, California · 14639 days ago · 11 km deep · 21 km away
  9. 1.715 km WNW of Three Rocks, California · 14638 days ago · 12 km deep · 58 km away
  10. 2.412 km E of Cantua Creek, California · 14638 days ago · 18 km deep · 38 km away
  11. 2.012 km ESE of Cantua Creek, California · 14638 days ago · 15 km deep · 34 km away
  12. 2.513 km ESE of Cantua Creek, California · 14638 days ago · 15 km deep · 33 km away
  13. 1.77 km NE of Coalinga, California · 14637 days ago · 11 km deep · 18 km away
  14. 2.410 km N of Coalinga, California · 14637 days ago · 10 km deep · 24 km away
  15. 2.319 km NW of Parkfield, California · 14636 days ago · 4 km deep · 45 km away
  16. 3.0Central California · 14636 days ago · 8 km deep · 44 km away
  17. 1.924 km WSW of Coalinga, California · 14636 days ago · 6 km deep · 46 km away
  18. 2.111 km E of Cantua Creek, California · 14635 days ago · 18 km deep · 38 km away
  19. 2.29 km SSW of Huron, California · 14634 days ago · 7 km deep · 5 km away
  20. 1.620 km NW of Coalinga, California · 14630 days ago · 6 km deep · 38 km away
  21. 2.222 km ENE of Soledad, California · 14630 days ago · 10 km deep · 98 km away
  22. 1.9Central California · 14630 days ago · 2 km deep · 88 km away
  23. 2.811 km SW of Coalinga, California · 14630 days ago · 10 km deep · 31 km away
  24. 2.325 km WSW of Coalinga, California · 14628 days ago · 2 km deep · 47 km away
  25. 1.610 km S of Huron, California · 14628 days ago · 6 km deep · 5 km away
  26. 2.120 km NW of Parkfield, California · 14627 days ago · 4 km deep · 45 km away
  27. 1.720 km NW of Parkfield, California · 14627 days ago · 4 km deep · 45 km away
  28. 1.68 km NNE of Santa Margarita, CA · 14627 days ago · 5 km deep · 88 km away
  29. 2.011 km W of Huron, California · 14627 days ago · 6 km deep · 13 km away
  30. 2.510 km ENE of Coalinga, California · 14626 days ago · 5 km deep · 13 km away
  31. 2.08 km SE of Avenal, California · 14626 days ago · 10 km deep · 23 km away
  32. 3.415 km NW of Coalinga, California · 14625 days ago · 4 km deep · 33 km away
  33. 1.824 km ENE of Greenfield, California · 14625 days ago · 5 km deep · 84 km away
  34. 1.918 km NW of Parkfield, California · 14624 days ago · 4 km deep · 44 km away
  35. 2.311 km SW of Huron, California · 14623 days ago · 7 km deep · 8 km away
  36. 1.824 km ENE of Soledad, California · 14621 days ago · 3 km deep · 94 km away
  37. 1.512 km E of Coalinga, California · 14620 days ago · 9 km deep · 10 km away
  38. 3.2Central California · 14619 days ago · 9 km deep · 28 km away
  39. 2.27 km NE of Avenal, California · 14619 days ago · 10 km deep · 13 km away
  40. 1.69 km NNW of Kettleman City, California · 14618 days ago · 15 km deep · 12 km away
  41. 1.813 km NNE of Coalinga, California · 14616 days ago · 9 km deep · 22 km away
  42. 2.77 km S of Whitley Gardens, California · 14615 days ago · 2 km deep · 72 km away
  43. 1.624 km NE of Greenfield, California · 14614 days ago · 5 km deep · 91 km away
  44. 1.65 km SSW of Lake Nacimiento, California · 14614 days ago · 20 km deep · 89 km away
  45. 2.510 km NNW of Kettleman City, California · 14613 days ago · 14 km deep · 12 km away
  46. 1.923 km NW of Parkfield, California · 14612 days ago · 4 km deep · 46 km away
  47. 2.412 km SSE of Huron, California · 14612 days ago · 4 km deep · 9 km away
  48. 2.424 km ENE of Soledad, California · 14611 days ago · 2 km deep · 93 km away
  49. 2.014 km NE of Coalinga, California · 14611 days ago · 12 km deep · 16 km away
  50. 1.815 km WNW of Three Rocks, California · 14611 days ago · 14 km deep · 59 km away
  51. 1.67 km NNE of Coalinga, California · 14610 days ago · 10 km deep · 20 km away
  52. 1.623 km NE of King City, California · 14610 days ago · 6 km deep · 76 km away
  53. 1.612 km N of Coalinga, California · 14610 days ago · 9 km deep · 25 km away
  54. 2.023 km ENE of San Ardo, California · 14610 days ago · 6 km deep · 51 km away
  55. 1.612 km ESE of Coalinga, California · 14610 days ago · 12 km deep · 12 km away
  56. 1.5Central California · 14610 days ago · 14 km deep · 12 km away
  57. 3.116 km SW of South Dos Palos, California · 14608 days ago · 4 km deep · 97 km away
  58. 1.51 km S of Avenal, California · 14608 days ago · 10 km deep · 18 km away
  59. 1.818 km NNW of Coalinga, California · 14606 days ago · 9 km deep · 32 km away
  60. 1.717 km NNW of Coalinga, California · 14606 days ago · 8 km deep · 32 km away

The first 60 of 86.

Before

  1. 1.910 km NE of Avenal, California · 14647 days ago · 7 km deep · 10 km away
  2. 1.61 km WNW of Parkfield, California · 14647 days ago · 5 km deep · 41 km away
  3. 1.528 km ENE of Soledad, California · 14647 days ago · 10 km deep · 96 km away
  4. 2.29 km W of Atascadero, California · 14648 days ago · 6 km deep · 96 km away
  5. 1.730 km ENE of Soledad, California · 14651 days ago · 8 km deep · 93 km away
  6. 2.36 km ENE of Avenal, California · 14652 days ago · 18 km deep · 14 km away
  7. 2.37 km WNW of Kettleman City, California · 14652 days ago · 19 km deep · 15 km away
  8. 2.613 km NNE of Parkfield, California · 14652 days ago · 52 km deep · 28 km away
  9. 2.210 km NW of Kettleman City, California · 14653 days ago · 9 km deep · 10 km away
  10. 2.022 km NE of San Lucas, California · 14654 days ago · 6 km deep · 64 km away
  11. 3.123 km NE of San Lucas, California · 14654 days ago · 6 km deep · 64 km away
  12. 1.923 km NE of San Lucas, California · 14654 days ago · 7 km deep · 64 km away
  13. 2.012 km N of Coalinga, California · 14654 days ago · 10 km deep · 25 km away
  14. 1.612 km W of Coalinga, California · 14655 days ago · 8 km deep · 34 km away
  15. 1.717 km NNW of Coalinga, California · 14657 days ago · 10 km deep · 31 km away
  16. 1.9Central California · 14657 days ago · 9 km deep · 32 km away
  17. 1.617 km NW of Parkfield, California · 14657 days ago · 4 km deep · 43 km away
  18. 1.911 km W of Huron, California · 14660 days ago · 14 km deep · 11 km away
  19. 1.624 km ENE of Greenfield, California · 14660 days ago · 2 km deep · 87 km away
  20. 1.813km NW of Lemoore Station, CA · 14662 days ago · 5 km deep · 23 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc79867 (also filed as ci707621). Read Sun, Sep 27, 2026, 10:41 PM UTC.