Hawaii earthquakes

M1.7 earthquake 16 km SW of Volcano, Hawaii

A magnitude 1.7 earthquake struck 16 km SW of Volcano, Hawaii on Sat, Sep 20, 1986, 2:19 PM HST (00:19 UTC), 28 km (18 mi) below the surface.

A larger quake followed: M2.3 13 km SSE of Fern Forest, Hawaii. 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
1.7 (ml), micro
Local time
UTC
1986-09-21 00:19:05 UTC
Depth
28.4 km (17.7 mi), shallow
Epicenter
19.335° N, 155.345° W
Region
Hawaii
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 0.8 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
77°
Stations used
27

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 0 in the 30 days before it.

After

  1. 2.313 km SSE of Fern Forest, Hawaii · 14596 days ago · 7 km deep · 25 km away
  2. 2.918 km N of P?hala, Hawaii · 14596 days ago · 8 km deep · 15 km away
  3. 1.816 km SSE of Volcano, Hawaii · 14595 days ago · 6 km deep · 19 km away
  4. 2.515 km S of Fern Forest, Hawaii · 14594 days ago · 8 km deep · 24 km away
  5. 2.119 km W of Volcano, Hawaii · 14593 days ago · 0 km deep · 18 km away
  6. 1.521 km SSE of Waikoloa, Hawaii · 14593 days ago · 27 km deep · 62 km away
  7. 2.021 km N of P?hala, Hawaii · 14593 days ago · 8 km deep · 13 km away
  8. 2.39 km SSW of Wai‘?hinu, Hawaii · 14593 days ago · 13 km deep · 50 km away
  9. 1.914 km S of Fern Forest, Hawaii · 14592 days ago · 7 km deep · 24 km away
  10. 2.44 km SE of Leilani Estates, Hawaii · 14591 days ago · 6 km deep · 49 km away
  11. 1.615 km S of Volcano, Hawaii · 14591 days ago · 6 km deep · 14 km away
  12. 1.713 km S of Volcano, Hawaii · 14591 days ago · 7 km deep · 10 km away
  13. 2.315 km S of Fern Forest, Hawaii · 14590 days ago · 8 km deep · 22 km away
  14. 1.515 km S of Fern Forest, Hawaii · 14590 days ago · 7 km deep · 23 km away
  15. 1.617 km SSE of Fern Forest, Hawaii · 14589 days ago · 6 km deep · 31 km away
  16. 1.69 km WSW of Volcano, Hawaii · 14589 days ago · 3 km deep · 10 km away
  17. 2.015 km S of Fern Forest, Hawaii · 14589 days ago · 6 km deep · 21 km away
  18. 2.549 km W of Hawaiian Ocean View, Hawaii · 14589 days ago · 35 km deep · 98 km away
  19. 2.441 km W of Hawaiian Ocean View, Hawaii · 14588 days ago · 27 km deep · 90 km away
  20. 1.96 km N of P?hala, Hawaii · 14588 days ago · 9 km deep · 15 km away
  21. 1.817 km N of P?hala, Hawaii · 14588 days ago · 2 km deep · 14 km away
  22. 2.313 km E of Leilani Estates, Hawaii · 14588 days ago · 11 km deep · 60 km away
  23. 1.618 km N of P?hala, Hawaii · 14588 days ago · 7 km deep · 16 km away
  24. 1.714 km SSE of Volcano, Hawaii · 14588 days ago · 5 km deep · 16 km away
  25. 1.88 km N of Wai‘?hinu, Hawaii · 14588 days ago · 1 km deep · 36 km away
  26. 2.126 km W of Volcano, Hawaii · 14587 days ago · 6 km deep · 20 km away
  27. 2.918 km N of P?hala, Hawaii · 14587 days ago · 8 km deep · 14 km away
  28. 2.08 km S of Volcano, Hawaii · 14587 days ago · 12 km deep · 12 km away
  29. 2.025 km N of P?hala, Hawaii · 14587 days ago · 4 km deep · 18 km away
  30. 2.022 km W of Volcano, Hawaii · 14587 days ago · 2 km deep · 18 km away
  31. 2.28 km NE of Hawaiian Ocean View, Hawaii · 14587 days ago · 10 km deep · 45 km away
  32. 1.716 km S of Fern Forest, Hawaii · 14587 days ago · 7 km deep · 24 km away
  33. 1.615 km SE of Fern Forest, Hawaii · 14586 days ago · 3 km deep · 32 km away
  34. 2.318 km N of P?hala, Hawaii · 14586 days ago · 8 km deep · 14 km away
  35. 2.013 km S of Volcano, Hawaii · 14586 days ago · 6 km deep · 10 km away
  36. 2.214 km S of Fern Forest, Hawaii · 14585 days ago · 7 km deep · 22 km away
  37. 1.815 km S of Fern Forest, Hawaii · 14585 days ago · 7 km deep · 22 km away
  38. 1.610 km SW of Leilani Estates, Hawaii · 14585 days ago · 6 km deep · 39 km away
  39. 2.6Island of Hawaii, Hawaii · 14585 days ago · 2 km deep · 11 km away
  40. 1.86 km SSW of Volcano, Hawaii · 14585 days ago · 2 km deep · 11 km away
  41. 2.233 km ESE of Naalehu, Hawaii · 14584 days ago · 22 km deep · 43 km away
  42. 1.515 km S of Fern Forest, Hawaii · 14583 days ago · 6 km deep · 22 km away
  43. 1.93 km SSW of Hilo, Hawaii · 14583 days ago · 13 km deep · 48 km away
  44. 2.111 km NNW of Wai‘?hinu, Hawaii · 14583 days ago · 2 km deep · 40 km away
  45. 1.626 km N of P?hala, Hawaii · 14583 days ago · 7 km deep · 20 km away
  46. 2.18 km NNW of P?hala, Hawaii · 14583 days ago · 7 km deep · 17 km away
  47. 2.317 km ESE of P?hala, Hawaii · 14583 days ago · 50 km deep · 24 km away
  48. 2.615 km S of Fern Forest, Hawaii · 14582 days ago · 7 km deep · 22 km away
  49. 2.013 km SSE of Fern Forest, Hawaii · 14582 days ago · 7 km deep · 30 km away
  50. 1.911 km SSE of Volcano, Hawaii · 14582 days ago · 7 km deep · 14 km away
  51. 1.918 km SSE of Honaunau-Napoopoo, Hawaii · 14582 days ago · 9 km deep · 47 km away
  52. 1.816 km S of Volcano, Hawaii · 14582 days ago · 6 km deep · 14 km away
  53. 2.322 km W of Volcano, Hawaii · 14582 days ago · 1 km deep · 19 km away
  54. 2.16 km SSW of Volcano, Hawaii · 14581 days ago · 2 km deep · 11 km away
  55. 1.96 km SSW of Volcano, Hawaii · 14581 days ago · 2 km deep · 11 km away
  56. 2.15 km SW of Volcano, Hawaii · 14581 days ago · 2 km deep · 11 km away
  57. 1.75 km SW of Volcano, Hawaii · 14581 days ago · 2 km deep · 11 km away
  58. 2.422 km SSE of Waimea, Hawaii · 14581 days ago · 18 km deep · 61 km away
  59. 1.613 km SSE of Fern Forest, Hawaii · 14581 days ago · 6 km deep · 28 km away
  60. 1.814 km WSW of Volcano, Hawaii · 14580 days ago · 9 km deep · 7 km away

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv222548. Read Tue, Sep 22, 2026, 9:36 PM UTC.