Hawaii earthquakes

M2.5 earthquake 17 km S of Volcano, Hawaii

A magnitude 2.5 earthquake struck 17 km S of Volcano, Hawaii on Sun, Jul 17, 1966, 4:39 PM GMT-10 (02:39 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M4.2 22 km W of Volcano, 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
1966-07-18 02:39:33 UTC
Depth
-0.2 km (-0.1 mi), shallow
Epicenter
19.286° N, 155.241° 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 1.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.01
Depth from
From location
Station coverage gap
246°, poorly surrounded by stations
Stations used
9

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 57 in the 30 days before it.

After

  1. 2.65 km ENE of Hawaiian Beaches, Hawaii · 21991 days ago · 30 km deep · 50 km away
  2. 2.7Island of Hawaii, Hawaii · 21991 days ago · 4 km deep · 25 km away
  3. 2.517 km SSE of Volcano, Hawaii · 21990 days ago · 2 km deep · 7 km away
  4. 2.99 km ESE of Naalehu, Hawaii · 21990 days ago · 36 km deep · 38 km away
  5. 2.916 km NNE of P?hala, Hawaii · 21990 days ago · 7 km deep · 21 km away
  6. 2.420 km W of Volcano, Hawaii · 21989 days ago · 8 km deep · 25 km away
  7. 2.417 km WNW of Volcano, Hawaii · 21988 days ago · 5 km deep · 27 km away
  8. 2.316 km S of Volcano, Hawaii · 21986 days ago · 3 km deep · 1 km away
  9. 2.911 km ESE of Naalehu, Hawaii · 21985 days ago · 34 km deep · 39 km away
  10. 3.010 km ENE of Honaunau-Napoopoo, Hawaii · 21984 days ago · 6 km deep · 62 km away
  11. 2.315 km SSE of Volcano, Hawaii · 21983 days ago · 0 km deep · 5 km away
  12. 2.610 km SSW of Volcano, Hawaii · 21983 days ago · 29 km deep · 9 km away
  13. 2.84 km W of Volcano, Hawaii · 21982 days ago · 13 km deep · 18 km away
  14. 3.25 km S of Volcano, Hawaii · 21981 days ago · 31 km deep · 12 km away
  15. 2.426 km W of Volcano, Hawaii · 21981 days ago · 10 km deep · 31 km away
  16. 2.724 km NE of Honaunau-Napoopoo, Hawaii · 21981 days ago · 1 km deep · 59 km away
  17. 2.43 km E of Ainaloa, Hawaii · 21980 days ago · 1 km deep · 40 km away
  18. 4.222 km W of Volcano, Hawaii · 21978 days ago · 10 km deep · 27 km away
  19. 2.221 km E of Nanawale Estates, Hawaii · 21977 days ago · 10 km deep · 60 km away
  20. 2.810 km E of Leilani Estates, Hawaii · 21977 days ago · 1 km deep · 48 km away
  21. 2.62 km E of Nanawale Estates, Hawaii · 21976 days ago · 6 km deep · 44 km away
  22. 2.711 km NNW of Wai‘?hinu, Hawaii · 21974 days ago · 9 km deep · 43 km away
  23. 2.417 km SSE of Fern Forest, HI · 21972 days ago · 0 km deep · 16 km away
  24. 3.711 km SSE of Fern Forest, Hawaii · 21971 days ago · 11 km deep · 19 km away
  25. 3.09 km E of Leilani Estates, Hawaii · 21970 days ago · 1 km deep · 47 km away
  26. 2.410 km NE of P?hala, Hawaii · 21969 days ago · 8 km deep · 18 km away
  27. 2.112 km SSE of Volcano, Hawaii · 21967 days ago · 6 km deep · 8 km away
  28. 2.510 km ESE of Leilani Estates, Hawaii · 21966 days ago · 9 km deep · 47 km away
  29. 2.218 km S of Volcano, Hawaii · 21966 days ago · 0 km deep · 2 km away
  30. 3.025 km E of P?hala, Hawaii · 21965 days ago · 48 km deep · 9 km away
  31. 2.117 km SSE of Fern Forest, Hawaii · 21964 days ago · 7 km deep · 16 km away
  32. 3.31 km ESE of Ainaloa, Hawaii · 21963 days ago · 0 km deep · 38 km away
  33. 2.75 km SSW of Waikoloa, Hawaii · 21962 days ago · 32 km deep · 90 km away
  34. 3.120 km W of Volcano, Hawaii · 21961 days ago · 3 km deep · 25 km away
  35. 3.08 km E of P?hala, Hawaii · 21960 days ago · 9 km deep · 18 km away
  36. 2.26 km SSE of Volcano, Hawaii · 21959 days ago · 4 km deep · 12 km away
  37. 4.112 km SSW of Volcano, Hawaii · 21959 days ago · 37 km deep · 5 km away
  38. 3.117 km SSE of Volcano, Hawaii · 21959 days ago · 47 km deep · 8 km away
  39. 2.911 km SSW of Volcano, Hawaii · 21959 days ago · 33 km deep · 7 km away
  40. 2.916 km S of Volcano, Hawaii · 21959 days ago · 42 km deep · 2 km away
  41. 2.77 km SSW of Volcano, Hawaii · 21957 days ago · 30 km deep · 10 km away
  42. 2.510 km SSW of Volcano, Hawaii · 21957 days ago · 30 km deep · 8 km away
  43. 2.519 km WSW of Volcano, Hawaii · 21956 days ago · 5 km deep · 22 km away
  44. 2.745 km S of Fern Forest, Hawaii · 21956 days ago · 15 km deep · 31 km away
  45. 2.814 km SSE of Volcano, Hawaii · 21955 days ago · 0 km deep · 8 km away
  46. 2.424 km W of Volcano, Hawaii · 21955 days ago · -1 km deep · 29 km away
  47. 2.417 km W of Volcano, Hawaii · 21954 days ago · 12 km deep · 23 km away
  48. 2.713 km SSW of Volcano, Hawaii · 21954 days ago · 28 km deep · 7 km away
  49. 2.78 km NE of Honaunau-Napoopoo, Hawaii · 21954 days ago · -1 km deep · 63 km away
  50. 2.626 km E of Honaunau-Napoopoo, Hawaii · 21954 days ago · 7 km deep · 46 km away
  51. 2.817 km WSW of Volcano, Hawaii · 21954 days ago · 5 km deep · 18 km away
  52. 2.518 km WSW of Volcano, Hawaii · 21953 days ago · 4 km deep · 19 km away
  53. 2.76 km ENE of P?pa‘ikou, Hawaii · 21953 days ago · 35 km deep · 63 km away
  54. 2.512 km SSW of Volcano, Hawaii · 21953 days ago · 30 km deep · 8 km away
  55. 2.419 km SSE of Fern Forest, Hawaii · 21952 days ago · 5 km deep · 19 km away
  56. 3.417 km W of Volcano, Hawaii · 21951 days ago · 5 km deep · 23 km away
  57. 2.615 km NNE of P?hala, Hawaii · 21949 days ago · 6 km deep · 22 km away
  58. 2.719 km N of P?hala, Hawaii · 21949 days ago · 7 km deep · 24 km away
  59. 2.524 km SSW of Leilani Estates, Hawaii · 21947 days ago · 2 km deep · 28 km away
  60. 2.112 km NE of Honomu, Hawaii · 21947 days ago · 36 km deep · 77 km away

The first 60 of 84.

Before

  1. 2.523 km W of Volcano, Hawaii · 21991 days ago · 8 km deep · 28 km away
  2. 2.316 km SSE of Fern Forest, Hawaii · 21992 days ago · 7 km deep · 20 km away
  3. 2.7Island of Hawaii, Hawaii · 21995 days ago · 34 km deep · 10 km away
  4. 3.112 km SW of Kailua-Kona, Hawaii · 21996 days ago · 12 km deep · 95 km away
  5. 2.519 km N of P?hala, Hawaii · 21996 days ago · 0 km deep · 29 km away
  6. 2.90 km SSW of Leilani Estates, Hawaii · 21996 days ago · 1 km deep · 39 km away
  7. 2.314 km NE of P?hala, Hawaii · 21996 days ago · 6 km deep · 14 km away
  8. 2.62 km ENE of Volcano, Hawaii · 21996 days ago · 28 km deep · 18 km away
  9. 2.814 km N of P?hala, Hawaii · 21997 days ago · 1 km deep · 24 km away
  10. 2.715 km SSE of Honaunau-Napoopoo, Hawaii · 21997 days ago · 5 km deep · 58 km away
  11. 2.63 km NW of Eden Roc, Hawaii · 21998 days ago · 26 km deep · 28 km away
  12. 1.96 km SSW of Pa‘auilo, Hawaii · 21998 days ago · 6 km deep · 80 km away
  13. 2.49 km SSW of Pa‘auilo, Hawaii · 21998 days ago · 7 km deep · 76 km away
  14. 2.78 km NE of Honaunau-Napoopoo, Hawaii · 21998 days ago · 5 km deep · 66 km away
  15. 2.317 km SSE of Volcano, Hawaii · 21998 days ago · 4 km deep · 6 km away
  16. 2.419 km SSW of Leilani Estates, Hawaii · 21999 days ago · 7 km deep · 24 km away
  17. 2.412 km S of Fern Forest, Hawaii · 21999 days ago · 12 km deep · 12 km away
  18. 2.515 km S of Fern Forest, Hawaii · 22001 days ago · 5 km deep · 12 km away
  19. 2.527 km E of Nanawale Estates, Hawaii · 22002 days ago · 11 km deep · 68 km away
  20. 2.314 km W of Volcano, Hawaii · 22002 days ago · 10 km deep · 23 km away

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From the USGS Earthquake Hazards Program and its partner networks, event hv19660280. Read Fri, Oct 2, 2026, 8:12 AM UTC.