Hawaii earthquakes

M2.4 earthquake 25 km W of Volcano, Hawaii

A magnitude 2.4 earthquake struck 25 km W of Volcano, Hawaii on Sat, Oct 21, 1978, 12:49 PM HST (22:49 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.6 11 km S of Volcano, 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
2.4 (ml), micro
Local time
UTC
1978-10-21 22:49:03 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
19.437° N, 155.480° 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 0.4 km horizontally, 1.3 km in depth
Depth from
From location
Station coverage gap
52°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.611 km S of Volcano, Hawaii · 17474 days ago · 8 km deep · 29 km away
  2. 2.015 km S of Fern Forest, Hawaii · 17474 days ago · 7 km deep · 39 km away
  3. 2.313 km SSE of Fern Forest, Hawaii · 17474 days ago · 8 km deep · 41 km away
  4. 2.317 km W of Volcano, Hawaii · 17474 days ago · 7 km deep · 8 km away
  5. 2.521 km WSW of Volcano, Hawaii · 17474 days ago · 5 km deep · 7 km away
  6. 2.312 km SSE of Volcano, Hawaii · 17474 days ago · 7 km deep · 32 km away
  7. 2.013 km SSE of Volcano, Hawaii · 17474 days ago · 8 km deep · 33 km away
  8. 2.518 km N of P?hala, Hawaii · 17474 days ago · 7 km deep · 7 km away
  9. 2.212 km SSE of Fern Forest, Hawaii · 17474 days ago · 4 km deep · 41 km away
  10. 2.210 km S of Volcano, Hawaii · 17473 days ago · 6 km deep · 29 km away
  11. 1.913 km SSE of Volcano, Hawaii · 17473 days ago · 6 km deep · 31 km away
  12. 2.113 km SSE of Volcano, Hawaii · 17473 days ago · 5 km deep · 32 km away
  13. 2.413 km SSE of Fern Forest, Hawaii · 17473 days ago · 6 km deep · 41 km away
  14. 2.114 km SSE of Fern Forest, Hawaii · 17473 days ago · 7 km deep · 41 km away
  15. 2.014 km SSE of Volcano, Hawaii · 17473 days ago · 6 km deep · 36 km away
  16. 2.615 km SSE of Volcano, Hawaii · 17472 days ago · 6 km deep · 33 km away
  17. 1.812 km SSE of Volcano, Hawaii · 17472 days ago · 7 km deep · 32 km away
  18. 2.017 km S of Volcano, Hawaii · 17472 days ago · 8 km deep · 32 km away
  19. 2.012 km SSE of Fern Forest, Hawaii · 17472 days ago · 4 km deep · 40 km away
  20. 2.19 km S of Volcano, Hawaii · 17471 days ago · 7 km deep · 26 km away
  21. 3.012 km SE of Fern Forest, Hawaii · 17471 days ago · 9 km deep · 44 km away
  22. 3.12 km NE of P?hala, Hawaii · 17471 days ago · 5 km deep · 24 km away
  23. 2.52 km E of P?hala, Hawaii · 17471 days ago · 5 km deep · 26 km away
  24. 2.114 km SSE of Fern Forest, Hawaii · 17471 days ago · 7 km deep · 41 km away
  25. 2.42 km NE of P?hala, Hawaii · 17471 days ago · 6 km deep · 24 km away
  26. 2.114 km S of Fern Forest, Hawaii · 17471 days ago · 7 km deep · 39 km away
  27. 1.82 km E of P?hala, Hawaii · 17471 days ago · 1 km deep · 26 km away
  28. 3.415 km SE of Fern Forest, Hawaii · 17471 days ago · 6 km deep · 46 km away
  29. 2.112 km SSE of Eden Roc, Hawaii · 17471 days ago · 8 km deep · 46 km away
  30. 2.712 km SSE of Fern Forest, Hawaii · 17470 days ago · 9 km deep · 40 km away
  31. 2.415 km SSE of Fern Forest, Hawaii · 17470 days ago · 7 km deep · 46 km away
  32. 4.27 km WNW of P?hala, Hawaii · 17470 days ago · 10 km deep · 24 km away
  33. 2.116 km SE of Fern Forest, Hawaii · 17470 days ago · 4 km deep · 47 km away
  34. 1.912 km SSE of Volcano, Hawaii · 17470 days ago · 6 km deep · 31 km away
  35. 2.215 km S of Fern Forest, Hawaii · 17470 days ago · 7 km deep · 39 km away
  36. 2.520 km N of P?hala, Hawaii · 17469 days ago · 8 km deep · 5 km away
  37. 2.810 km S of Volcano, Hawaii · 17469 days ago · 8 km deep · 29 km away
  38. 2.16 km SW of Leilani Estates, Hawaii · 17469 days ago · 5 km deep · 55 km away
  39. 2.510 km N of Wai‘?hinu, Hawaii · 17469 days ago · 6 km deep · 34 km away
  40. 2.015 km SSE of Eden Roc, Hawaii · 17469 days ago · 5 km deep · 48 km away
  41. 2.013 km SSE of Fern Forest, HI · 17469 days ago · 5 km deep · 43 km away
  42. 2.013 km SSE of Volcano, Hawaii · 17469 days ago · 8 km deep · 32 km away
  43. 2.314 km SSE of Volcano, Hawaii · 17468 days ago · 8 km deep · 33 km away
  44. 2.05 km SE of Leilani Estates, Hawaii · 17468 days ago · 9 km deep · 63 km away
  45. 2.01 km ENE of Leilani Estates, Hawaii · 17468 days ago · 2 km deep · 60 km away
  46. 1.814 km SSW of Volcano, Hawaii · 17468 days ago · 34 km deep · 23 km away
  47. 1.914 km S of Fern Forest, Hawaii · 17468 days ago · 8 km deep · 37 km away
  48. 2.815 km S of Fern Forest, Hawaii · 17468 days ago · 9 km deep · 38 km away
  49. 2.02 km E of P?hala, Hawaii · 17468 days ago · 3 km deep · 26 km away
  50. 2.114 km S of Fern Forest, Hawaii · 17468 days ago · 6 km deep · 38 km away
  51. 2.819 km W of Volcano, Hawaii · 17468 days ago · 6 km deep · 6 km away
  52. 2.613 km S of Volcano, Hawaii · 17468 days ago · 9 km deep · 30 km away
  53. 2.022 km W of Volcano, Hawaii · 17468 days ago · 9 km deep · 4 km away
  54. 2.112 km S of Volcano, Hawaii · 17467 days ago · 9 km deep · 30 km away
  55. 2.515 km SSE of Volcano, Hawaii · 17467 days ago · 8 km deep · 35 km away
  56. 2.112 km SSE of Fern Forest, Hawaii · 17467 days ago · 7 km deep · 40 km away
  57. 2.310 km SSE of Fern Forest, Hawaii · 17467 days ago · 0 km deep · 40 km away
  58. 2.110 km NNE of P?hala, Hawaii · 17467 days ago · 8 km deep · 17 km away
  59. 2.010 km SSE of Fern Forest, Hawaii · 17466 days ago · 0 km deep · 40 km away
  60. 2.212 km SSE of Volcano, Hawaii · 17466 days ago · 5 km deep · 32 km away

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19781836. Read Tue, Sep 22, 2026, 8:25 PM UTC.