Hawaii earthquakes

M2.3 earthquake 20 km W of Volcano, Hawaii

A magnitude 2.3 earthquake struck 20 km W of Volcano, Hawaii on Wed, Aug 23, 1978, 7:34 PM HST (05:34 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.5 13 km S 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
2.3 (ml), micro
Local time
UTC
1978-08-24 05:34:55 UTC
Depth
7.9 km (4.9 mi), shallow
Epicenter
19.409° N, 155.427° 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, 0.7 km in depth
Magnitude uncertainty
±0.03
Depth from
From location
Station coverage gap
39°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 0 in the 30 days before it.

After

  1. 2.214 km S of Fern Forest, Hawaii · 17530 days ago · 7 km deep · 31 km away
  2. 2.013 km SSE of Eden Roc, Hawaii · 17529 days ago · 8 km deep · 41 km away
  3. 2.311 km S of Volcano, Hawaii · 17529 days ago · 8 km deep · 23 km away
  4. 2.08 km SSW of Volcano, Hawaii · 17529 days ago · 2 km deep · 16 km away
  5. 1.72 km WNW of P?pa‘ikou, Hawaii · 17529 days ago · 40 km deep · 54 km away
  6. 2.513 km S of Fern Forest, Hawaii · 17529 days ago · 8 km deep · 33 km away
  7. 2.112 km S of Volcano, Hawaii · 17529 days ago · 6 km deep · 24 km away
  8. 1.9Island of Hawaii, Hawaii · 17529 days ago · 2 km deep · 16 km away
  9. 2.07 km S of Volcano, Hawaii · 17529 days ago · 2 km deep · 19 km away
  10. 2.46 km ESE of Leilani Estates, Hawaii · 17529 days ago · 8 km deep · 60 km away
  11. 2.26 km SSW of Volcano, Hawaii · 17529 days ago · 1 km deep · 19 km away
  12. 3.316 km S of Fern Forest, Hawaii · 17529 days ago · 8 km deep · 33 km away
  13. 2.18 km SSW of Leilani Estates, Hawaii · 17529 days ago · 5 km deep · 49 km away
  14. 3.329 km ESE of Naalehu, Hawaii · 17528 days ago · 42 km deep · 53 km away
  15. 2.113 km SE of Fern Forest, Hawaii · 17528 days ago · 8 km deep · 40 km away
  16. 2.528 km ESE of Naalehu, Hawaii · 17528 days ago · 42 km deep · 53 km away
  17. 2.112 km S of Fern Forest, Hawaii · 17528 days ago · 8 km deep · 32 km away
  18. 3.013 km SSE of Volcano, Hawaii · 17528 days ago · 9 km deep · 27 km away
  19. 1.97 km SW of Volcano, Hawaii · 17528 days ago · 1 km deep · 15 km away
  20. 2.522 km N of P?hala, Hawaii · 17528 days ago · 6 km deep · 6 km away
  21. 2.113 km SSE of Volcano, Hawaii · 17528 days ago · 6 km deep · 27 km away
  22. 2.116 km SE of Fern Forest, Hawaii · 17528 days ago · 5 km deep · 42 km away
  23. 2.513 km S of Fern Forest, Hawaii · 17528 days ago · 7 km deep · 33 km away
  24. 3.1Island of Hawaii, Hawaii · 17527 days ago · 8 km deep · 7 km away
  25. 2.315 km W of Volcano, Hawaii · 17527 days ago · 6 km deep · 6 km away
  26. 2.015 km S of Fern Forest, Hawaii · 17527 days ago · 6 km deep · 31 km away
  27. 2.07 km SSW of Volcano, Hawaii · 17527 days ago · 2 km deep · 16 km away
  28. 2.827 km SSE of Fern Forest, Hawaii · 17527 days ago · 44 km deep · 46 km away
  29. 2.414 km SSW of Volcano, Hawaii · 17527 days ago · 9 km deep · 20 km away
  30. 2.37 km SW of Volcano, Hawaii · 17526 days ago · 2 km deep · 16 km away
  31. 2.118 km N of P?hala, Hawaii · 17526 days ago · 6 km deep · 10 km away
  32. 1.87 km SW of Volcano, Hawaii · 17526 days ago · 1 km deep · 16 km away
  33. 2.111 km S of Volcano, Hawaii · 17526 days ago · 7 km deep · 24 km away
  34. 2.08 km SW of Volcano, Hawaii · 17526 days ago · 2 km deep · 16 km away
  35. 2.427 km SSE of Waimea, Hawaii · 17526 days ago · 12 km deep · 45 km away
  36. 2.417 km NE of P?hala, Hawaii · 17526 days ago · 2 km deep · 12 km away
  37. 2.48 km SSW of Volcano, Hawaii · 17526 days ago · 3 km deep · 16 km away
  38. 2.78 km SW of Volcano, Hawaii · 17526 days ago · 2 km deep · 16 km away
  39. 2.18 km SW of Volcano, Hawaii · 17526 days ago · 2 km deep · 15 km away
  40. 2.219 km WSW of Volcano, Hawaii · 17525 days ago · 8 km deep · 5 km away
  41. 2.317 km NNE of P?hala, Hawaii · 17525 days ago · 8 km deep · 6 km away
  42. 2.97 km S of Honoka‘a, Hawaii · 17525 days ago · 39 km deep · 68 km away
  43. 1.77 km SW of Volcano, Hawaii · 17525 days ago · 3 km deep · 16 km away
  44. 2.111 km SSE of Fern Forest, Hawaii · 17525 days ago · 7 km deep · 35 km away
  45. 1.813 km NE of P?hala, Hawaii · 17524 days ago · 7 km deep · 14 km away
  46. 2.114 km SE of Volcano, Hawaii · 17524 days ago · 9 km deep · 29 km away
  47. 1.813 km SSE of Volcano, Hawaii · 17524 days ago · 6 km deep · 27 km away
  48. 2.55 km WSW of Volcano, Hawaii · 17524 days ago · 0 km deep · 15 km away
  49. 2.18 km SW of Volcano, Hawaii · 17524 days ago · 2 km deep · 15 km away
  50. 2.638 km ESE of P?hala, Hawaii · 17524 days ago · 50 km deep · 47 km away
  51. 2.214 km SSE of Volcano, Hawaii · 17524 days ago · 6 km deep · 27 km away
  52. 3.820 km N of P?hala, Hawaii · 17524 days ago · 8 km deep · 3 km away
  53. 2.39 km S of Laup?hoehoe, Hawaii · 17524 days ago · 10 km deep · 58 km away
  54. 1.911 km SSE of Volcano, Hawaii · 17524 days ago · 6 km deep · 24 km away
  55. 1.912 km SSE of Volcano, Hawaii · 17524 days ago · 6 km deep · 26 km away
  56. 1.912 km SSE of Volcano, Hawaii · 17524 days ago · 7 km deep · 26 km away
  57. 2.28 km SW of Volcano, Hawaii · 17523 days ago · 1 km deep · 16 km away
  58. 2.526 km W of Volcano, Hawaii · 17523 days ago · 9 km deep · 9 km away
  59. 1.914 km SSE of Volcano, Hawaii · 17522 days ago · 5 km deep · 25 km away
  60. 2.413 km W of Volcano, Hawaii · 17522 days ago · 7 km deep · 8 km away

The first 60 of 189.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19781383. Read Tue, Sep 22, 2026, 3:36 PM UTC.