Hawaii earthquakes

M2.1 earthquake 12 km SSE of Fern Forest, Hawaii

A magnitude 2.1 earthquake struck 12 km SSE of Fern Forest, Hawaii on Sat, Aug 5, 1978, 12:11 PM HST (22:11 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.6 8 km WNW of P?hala, Hawaii. This one was a foreshock.

Fern Forest forecastMore in Hawaii

Map

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

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The earthquake

Magnitude
2.1 (ml), micro
Local time
UTC
1978-08-05 22:11:56 UTC
Depth
6.8 km (4.2 mi), shallow
Epicenter
19.362° N, 155.101° 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 0.5 km horizontally, 0.8 km in depth
Depth from
From location
Station coverage gap
78°
Stations used
32

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. 2.68 km WNW of P?hala, Hawaii · 17544 days ago · 0 km deep · 50 km away
  2. 2.97 km SSW of Volcano, Hawaii · 17544 days ago · 2 km deep · 18 km away
  3. 2.017 km NNE of P?hala, Hawaii · 17543 days ago · 8 km deep · 35 km away
  4. 2.515 km SSE of Volcano, Hawaii · 17543 days ago · 9 km deep · 10 km away
  5. 2.116 km SE of Fern Forest, Hawaii · 17543 days ago · 6 km deep · 6 km away
  6. 2.47 km SW of Volcano, Hawaii · 17543 days ago · 2 km deep · 19 km away
  7. 3.727 km ESE of Naalehu, Hawaii · 17543 days ago · 53 km deep · 51 km away
  8. 2.015 km SSE of Volcano, Hawaii · 17543 days ago · 6 km deep · 11 km away
  9. 2.96 km SSW of Volcano, Hawaii · 17543 days ago · 2 km deep · 16 km away
  10. 2.113 km SW of Volcano, Hawaii · 17543 days ago · 3 km deep · 22 km away
  11. 2.312 km SSE of Volcano, Hawaii · 17543 days ago · 7 km deep · 12 km away
  12. 2.213 km SSE of Volcano, Hawaii · 17543 days ago · 7 km deep · 11 km away
  13. 2.212 km SSE of Volcano, Hawaii · 17543 days ago · 7 km deep · 11 km away
  14. 2.211 km SSE of Volcano, Hawaii · 17543 days ago · 6 km deep · 10 km away
  15. 2.116 km SSE of Fern Forest, Hawaii · 17542 days ago · 6 km deep · 5 km away
  16. 4.415 km SSE of Fern Forest, Hawaii · 17542 days ago · 9 km deep · 4 km away
  17. 2.114 km SSE of Fern Forest, Hawaii · 17542 days ago · 6 km deep · 2 km away
  18. 1.614 km S of Fern Forest, Hawaii · 17542 days ago · 7 km deep · 5 km away
  19. 2.16 km SW of Volcano, Hawaii · 17542 days ago · 0 km deep · 20 km away
  20. 2.211 km SW of Leilani Estates, Hawaii · 17542 days ago · 8 km deep · 13 km away
  21. 2.317 km ENE of Honaunau-Napoopoo, Hawaii · 17542 days ago · 1 km deep · 65 km away
  22. 2.615 km S of Fern Forest, Hawaii · 17541 days ago · 8 km deep · 5 km away
  23. 1.918 km WSW of Volcano, Hawaii · 17541 days ago · 7 km deep · 33 km away
  24. 2.116 km SSE of Fern Forest, Hawaii · 17541 days ago · 8 km deep · 5 km away
  25. 2.313 km SSE of Eden Roc, Hawaii · 17541 days ago · 8 km deep · 8 km away
  26. 3.016 km SE of Fern Forest, Hawaii · 17540 days ago · 7 km deep · 7 km away
  27. 2.319 km W of Volcano, Hawaii · 17540 days ago · 7 km deep · 33 km away
  28. 1.711 km S of Volcano, Hawaii · 17540 days ago · 5 km deep · 12 km away
  29. 2.312 km S of Volcano, Hawaii · 17540 days ago · 7 km deep · 12 km away
  30. 2.85 km WSW of Volcano, Hawaii · 17540 days ago · 0 km deep · 20 km away
  31. 2.08 km SW of Volcano, Hawaii · 17540 days ago · 2 km deep · 19 km away
  32. 2.922 km N of P?hala, Hawaii · 17540 days ago · 6 km deep · 42 km away
  33. 2.323 km N of P?hala, Hawaii · 17540 days ago · 4 km deep · 42 km away
  34. 3.023 km N of P?hala, Hawaii · 17540 days ago · 7 km deep · 42 km away
  35. 2.212 km SSE of Volcano, Hawaii · 17540 days ago · 7 km deep · 11 km away
  36. 2.515 km W of Volcano, Hawaii · 17540 days ago · 9 km deep · 30 km away
  37. 2.114 km SSE of Eden Roc, Hawaii · 17540 days ago · 6 km deep · 7 km away
  38. 2.316 km SW of Leilani Estates, Hawaii · 17540 days ago · 5 km deep · 8 km away
  39. 2.015 km SE of Fern Forest, Hawaii · 17540 days ago · 6 km deep · 7 km away
  40. 2.08 km SSW of Volcano, Hawaii · 17540 days ago · 2 km deep · 19 km away
  41. 2.38 km SW of Volcano, Hawaii · 17540 days ago · 2 km deep · 19 km away
  42. 2.614 km SSE of Fern Forest, Hawaii · 17539 days ago · 8 km deep · 2 km away
  43. 2.814 km SSE of Fern Forest, Hawaii · 17539 days ago · 8 km deep · 2 km away
  44. 2.213 km SSE of Volcano, Hawaii · 17539 days ago · 6 km deep · 10 km away
  45. 2.64 km WSW of Volcano, Hawaii · 17539 days ago · 1 km deep · 19 km away
  46. 3.34 km WSW of Volcano, Hawaii · 17539 days ago · 1 km deep · 19 km away
  47. 3.34 km WSW of Volcano, Hawaii · 17539 days ago · 1 km deep · 19 km away
  48. 2.55 km SW of Volcano, Hawaii · 17539 days ago · 2 km deep · 18 km away
  49. 1.912 km SSE of Volcano, Hawaii · 17539 days ago · 6 km deep · 11 km away
  50. 2.413 km NE of P?hala, Hawaii · 17538 days ago · 7 km deep · 30 km away
  51. 2.113 km SSE of Fern Forest, Hawaii · 17538 days ago · 6 km deep · 2 km away
  52. 3.15 km SSW of Volcano, Hawaii · 17538 days ago · 3 km deep · 17 km away
  53. 2.220 km W of Volcano, Hawaii · 17537 days ago · 6 km deep · 35 km away
  54. 2.913 km SSE of Volcano, Hawaii · 17537 days ago · 8 km deep · 10 km away
  55. 2.516 km SSE of Volcano, Hawaii · 17537 days ago · 8 km deep · 8 km away
  56. 2.713 km SE of Fern Forest, Hawaii · 17537 days ago · 6 km deep · 5 km away
  57. 2.013 km SSE of Volcano, Hawaii · 17537 days ago · 6 km deep · 8 km away
  58. 2.87 km SW of Volcano, Hawaii · 17537 days ago · 2 km deep · 19 km away
  59. 2.615 km SW of Leilani Estates, Hawaii · 17537 days ago · 9 km deep · 11 km away
  60. 2.17 km SW of Volcano, Hawaii · 17537 days ago · 2 km deep · 19 km away

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19781287. Read Tue, Sep 22, 2026, 10:30 AM UTC.