Hawaii earthquakes

M2.5 earthquake 19 km SSE of Volcano, Hawaii

A magnitude 2.5 earthquake struck 19 km SSE of Volcano, Hawaii on Sat, May 21, 1966, 3:17 PM GMT-10 (01:17 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.9 13 km NNE of P?hala, Hawaii. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
Hawaiian Volcano Observatory
Local time
UTC
1966-05-22 01:17:24 UTC
Depth
9.1 km (5.7 mi), shallow
Epicenter
19.277° N, 155.168° 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 1.4 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
276°, poorly surrounded by stations
Stations used
8

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 84 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 2.419 km S of Volcano, Hawaii · 22046 days ago · 11 km deep · 6 km away
  2. 2.716 km S of Fern Forest, Hawaii · 22045 days ago · 2 km deep · 7 km away
  3. 2.46 km S of Volcano, Hawaii · 22045 days ago · 28 km deep · 14 km away
  4. 3.420 km SSE of Fern Forest, Hawaii · 22043 days ago · 46 km deep · 12 km away
  5. 2.512 km S of Fern Forest, Hawaii · 22041 days ago · 6 km deep · 10 km away
  6. 2.418 km N of P?hala, Hawaii · 22040 days ago · 50 km deep · 34 km away
  7. 3.16 km SW of Volcano, Hawaii · 22036 days ago · 1 km deep · 18 km away
  8. 2.721 km W of Volcano, Hawaii · 22036 days ago · 9 km deep · 34 km away
  9. 2.415 km SSW of Leilani Estates, Hawaii · 22034 days ago · 12 km deep · 21 km away
  10. 2.419 km NNE of P?hala, Hawaii · 22034 days ago · 2 km deep · 27 km away
  11. 3.023 km W of Wainaku, Hawaii · 22033 days ago · 34 km deep · 54 km away
  12. 2.810 km SSW of Volcano, Hawaii · 22033 days ago · 30 km deep · 15 km away
  13. 2.616 km SSE of Fern Forest, Hawaii · 22032 days ago · 7 km deep · 10 km away
  14. 2.88 km SE of Waikoloa, Hawaii · 22028 days ago · 8 km deep · 90 km away
  15. 2.526 km SSE of Fern Forest, Hawaii · 22027 days ago · 2 km deep · 14 km away
  16. 2.59 km SSW of Fern Forest, Hawaii · 22027 days ago · 4 km deep · 12 km away
  17. 2.310 km SSE of Volcano, Hawaii · 22026 days ago · 0 km deep · 10 km away
  18. 2.629 km S of Volcano, Hawaii · 22024 days ago · 30 km deep · 11 km away
  19. 2.625 km W of Volcano, Hawaii · 22023 days ago · 6 km deep · 37 km away
  20. 2.715 km SSW of Volcano, Hawaii · 22022 days ago · 30 km deep · 14 km away
  21. 3.0Island of Hawaii, Hawaii · 22021 days ago · 43 km deep · 76 km away
  22. 2.617 km NNE of P?hala, Hawaii · 22021 days ago · 3 km deep · 31 km away
  23. 2.716 km SW of Volcano, Hawaii · 22021 days ago · 4 km deep · 17 km away
  24. 3.415 km SE of Honaunau-Napoopoo, Hawaii · 22020 days ago · 2 km deep · 64 km away
  25. 2.54 km ENE of P?hala, Hawaii · 22019 days ago · 7 km deep · 29 km away
  26. 3.117 km N of P?hala, Hawaii · 22018 days ago · 2 km deep · 33 km away
  27. 2.614 km SSE of Volcano, Hawaii · 22014 days ago · 6 km deep · 5 km away
  28. 2.418 km SSE of Volcano, Hawaii · 22012 days ago · 6 km deep · 3 km away
  29. 2.717 km SSE of Volcano, Hawaii · 22012 days ago · 0 km deep · 4 km away
  30. 2.416 km SSW of Leilani Estates, Hawaii · 22012 days ago · 9 km deep · 23 km away
  31. 2.519 km NNE of P?hala, Hawaii · 22012 days ago · 5 km deep · 27 km away
  32. 2.522 km W of Volcano, Hawaii · 22012 days ago · 0 km deep · 35 km away
  33. 2.619 km NE of Honaunau-Napoopoo, Hawaii · 22012 days ago · -1 km deep · 65 km away
  34. 2.811 km SW of Volcano, Hawaii · 22011 days ago · 25 km deep · 18 km away
  35. 2.417 km SSE of Fern Forest, Hawaii · 22010 days ago · 8 km deep · 8 km away
  36. 2.720 km SSE of Volcano, Hawaii · 22009 days ago · 10 km deep · 2 km away
  37. 2.616 km SSE of Fern Forest, Hawaii · 22009 days ago · 7 km deep · 13 km away
  38. 3.913 km NNE of P?hala, Hawaii · 22008 days ago · 13 km deep · 29 km away
  39. 2.58 km SSE of Volcano, Hawaii · 22006 days ago · 2 km deep · 11 km away
  40. 2.714 km SW of Leilani Estates, Hawaii · 22006 days ago · 10 km deep · 20 km away
  41. 2.417 km W of Volcano, Hawaii · 22005 days ago · 7 km deep · 29 km away
  42. 3.05 km E of Kalaoa, Hawaii · 22005 days ago · -1 km deep · 94 km away
  43. 2.722 km NNW of P?hala, Hawaii · 22004 days ago · 8 km deep · 40 km away
  44. 2.421 km S of Volcano, Hawaii · 22003 days ago · 6 km deep · 4 km away
  45. 2.419 km WSW of Volcano, Hawaii · 22003 days ago · 0 km deep · 29 km away
  46. 2.54 km SSE of Leilani Estates, Hawaii · 22003 days ago · 2 km deep · 32 km away
  47. 2.511 km SSE of Volcano, Hawaii · 22003 days ago · -1 km deep · 9 km away
  48. 2.58 km S of Volcano, Hawaii · 22003 days ago · 6 km deep · 13 km away
  49. 3.212 km S of Volcano, Hawaii · 22003 days ago · -1 km deep · 8 km away
  50. 3.210 km S of Volcano, Hawaii · 22003 days ago · -1 km deep · 9 km away
  51. 2.59 km SSE of Volcano, Hawaii · 22003 days ago · 0 km deep · 10 km away
  52. 2.58 km S of Volcano, Hawaii · 22003 days ago · 1 km deep · 11 km away
  53. 2.612 km S of Volcano, Hawaii · 22003 days ago · -1 km deep · 8 km away
  54. 2.59 km S of Volcano, Hawaii · 22003 days ago · 1 km deep · 11 km away
  55. 2.717 km SSW of Volcano, Hawaii · 22003 days ago · 0 km deep · 11 km away
  56. 2.615 km S of Leilani Estates, Hawaii · 22003 days ago · 2 km deep · 28 km away
  57. 2.516 km SW of Leilani Estates, Hawaii · 22003 days ago · 9 km deep · 18 km away
  58. 2.423 km SSE of Fern Forest, Hawaii · 22003 days ago · 3 km deep · 9 km away
  59. 2.314 km W of Volcano, Hawaii · 22002 days ago · 10 km deep · 29 km away
  60. 2.527 km E of Nanawale Estates, Hawaii · 22002 days ago · 11 km deep · 61 km away

The first 60 of 84.

Before

  1. 3.18 km WSW of Volcano, Hawaii · 22049 days ago · 33 km deep · 20 km away
  2. 3.07 km SW of Volcano, Hawaii · 22049 days ago · 30 km deep · 18 km away
  3. 2.79 km SW of Volcano, Hawaii · 22049 days ago · 30 km deep · 18 km away
  4. 2.45 km SW of Volcano, Hawaii · 22049 days ago · 17 km deep · 19 km away
  5. 2.524 km W of Volcano, Hawaii · 22049 days ago · 0 km deep · 35 km away
  6. 3.116 km W of P?hala, Hawaii · 22051 days ago · 1 km deep · 49 km away
  7. 2.711 km SSE of Fern Forest, Hawaii · 22051 days ago · -1 km deep · 13 km away
  8. 2.820 km W of Volcano, Hawaii · 22052 days ago · 10 km deep · 31 km away
  9. 2.928 km SSE of Waimea, Hawaii · 22057 days ago · 24 km deep · 71 km away
  10. 2.214 km SSE of Volcano, Hawaii · 22057 days ago · 0 km deep · 5 km away
  11. 2.619 km NNE of P?hala, Hawaii · 22058 days ago · 13 km deep · 29 km away
  12. 2.823 km E of Honaunau-Napoopoo, Hawaii · 22058 days ago · 39 km deep · 53 km away
  13. 3.05 km E of Kalaoa, Hawaii · 22058 days ago · -1 km deep · 94 km away
  14. 2.317 km W of Volcano, Hawaii · 22058 days ago · 9 km deep · 30 km away
  15. 3.19 km SW of Volcano, Hawaii · 22059 days ago · 26 km deep · 19 km away
  16. 2.95 km S of P?hala, Hawaii · 22059 days ago · 6 km deep · 35 km away
  17. 2.516 km S of Fern Forest, Hawaii · 22059 days ago · 5 km deep · 5 km away
  18. 3.026 km SSE of Fern Forest, Hawaii · 22063 days ago · 44 km deep · 12 km away
  19. 3.121 km SSE of Fern Forest, Hawaii · 22063 days ago · 6 km deep · 8 km away
  20. 2.531 km S of Fern Forest, Hawaii · 22064 days ago · 4 km deep · 13 km away

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From the USGS Earthquake Hazards Program and its partner networks, event hv19660174. Read Fri, Oct 2, 2026, 11:09 AM UTC.