Hawaii earthquakes

M1.8 earthquake 14 km SSE of Volcano, Hawaii

A magnitude 1.8 earthquake struck 14 km SSE of Volcano, Hawaii on Fri, Jul 21, 1978, 12:46 PM HST (22:46 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.5 14 km SE of Naalehu, 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
1.8 (ML, local (Richter)), micro
Magnitude from
Hawaiian Volcano Observatory
Local time
UTC
1978-07-21 22:46:21 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
19.319° N, 155.200° 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, 0.9 km in depth
Magnitude uncertainty
±0.35
Depth from
From location
Station coverage gap
97°
Stations used
21

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 165 in the 30 days before it.

After

  1. 1.612 km SSE of Volcano, Hawaii · 17604 days ago · 6 km deep · 2 km away
  2. 1.8Island of Hawaii, Hawaii · 17604 days ago · 7 km deep · 14 km away
  3. 2.78 km SW of Volcano, Hawaii · 17603 days ago · 2 km deep · 11 km away
  4. 2.013 km SSE of Volcano, Hawaii · 17603 days ago · 7 km deep · 1 km away
  5. 1.912 km SSE of Volcano, Hawaii · 17603 days ago · 7 km deep · 1 km away
  6. 2.1Island of Hawaii, Hawaii · 17603 days ago · 7 km deep · 13 km away
  7. 2.813 km S of Fern Forest, Hawaii · 17603 days ago · 8 km deep · 9 km away
  8. 1.714 km S of Volcano, Hawaii · 17602 days ago · 7 km deep · 3 km away
  9. 1.912 km S of Volcano, Hawaii · 17602 days ago · 8 km deep · 3 km away
  10. 2.413 km SSE of Fern Forest, Hawaii · 17602 days ago · 8 km deep · 11 km away
  11. 3.05 km ESE of Leilani Estates, Hawaii · 17602 days ago · 9 km deep · 37 km away
  12. 2.126 km N of P?hala, Hawaii · 17602 days ago · 6 km deep · 34 km away
  13. 2.512 km SSE of Fern Forest, Hawaii · 17602 days ago · 9 km deep · 15 km away
  14. 1.87 km SW of Volcano, Hawaii · 17602 days ago · 2 km deep · 12 km away
  15. 2.413 km SSE of Volcano, Hawaii · 17602 days ago · 6 km deep · 2 km away
  16. 2.219 km W of Volcano, Hawaii · 17601 days ago · 3 km deep · 25 km away
  17. 2.415 km SSE of Fern Forest, Hawaii · 17601 days ago · 5 km deep · 14 km away
  18. 2.416 km SE of Fern Forest, Hawaii · 17601 days ago · 8 km deep · 17 km away
  19. 2.813 km S of Volcano, Hawaii · 17601 days ago · 9 km deep · 2 km away
  20. 2.116 km S of Fern Forest, Hawaii · 17601 days ago · 9 km deep · 7 km away
  21. 2.222 km N of P?hala, Hawaii · 17601 days ago · 6 km deep · 32 km away
  22. 2.115 km E of Honaunau-Napoopoo, Hawaii · 17601 days ago · 7 km deep · 58 km away
  23. 2.416 km SE of Fern Forest, Hawaii · 17601 days ago · 7 km deep · 17 km away
  24. 2.117 km N of P?hala, Hawaii · 17601 days ago · 7 km deep · 29 km away
  25. 2.415 km S of Fern Forest, Hawaii · 17601 days ago · 7 km deep · 7 km away
  26. 2.612 km NW of Wai‘?hinu, Hawaii · 17601 days ago · 7 km deep · 54 km away
  27. 2.014 km S of Fern Forest, Hawaii · 17601 days ago · 5 km deep · 7 km away
  28. 2.512 km SSE of Waikoloa, Hawaii · 17600 days ago · 9 km deep · 81 km away
  29. 2.015 km S of Fern Forest, Hawaii · 17600 days ago · 7 km deep · 7 km away
  30. 2.014 km S of Fern Forest, Hawaii · 17600 days ago · 8 km deep · 6 km away
  31. 2.212 km SSW of Volcano, Hawaii · 17600 days ago · 25 km deep · 9 km away
  32. 2.214 km W of Volcano, Hawaii · 17600 days ago · 8 km deep · 22 km away
  33. 2.312 km W of Volcano, Hawaii · 17600 days ago · 8 km deep · 21 km away
  34. 3.027 km S of Fern Forest, Hawaii · 17599 days ago · 50 km deep · 15 km away
  35. 2.77 km NW of Volcano, Hawaii · 17599 days ago · 13 km deep · 22 km away
  36. 2.312 km NNW of Wai‘?hinu, Hawaii · 17598 days ago · 4 km deep · 53 km away
  37. 2.412 km SSE of Volcano, Hawaii · 17598 days ago · 6 km deep · 4 km away
  38. 2.113 km S of Volcano, Hawaii · 17598 days ago · 7 km deep · 2 km away
  39. 1.95 km N of Honaunau-Napoopoo, Hawaii · 17598 days ago · 5 km deep · 72 km away
  40. 2.722 km E of Honaunau-Napoopoo, Hawaii · 17598 days ago · 2 km deep · 50 km away
  41. 2.316 km N of P?hala, Hawaii · 17598 days ago · 5 km deep · 31 km away
  42. 2.315 km S of Fern Forest, Hawaii · 17597 days ago · 7 km deep · 7 km away
  43. 2.48 km SSE of Honaunau-Napoopoo, Hawaii · 17597 days ago · 10 km deep · 66 km away
  44. 2.222 km E of Honaunau-Napoopoo, Hawaii · 17597 days ago · 3 km deep · 50 km away
  45. 2.014 km NE of P?hala, Hawaii · 17597 days ago · 5 km deep · 19 km away
  46. 2.312 km S of Volcano, Hawaii · 17596 days ago · 9 km deep · 2 km away
  47. 2.416 km S of Fern Forest, Hawaii · 17596 days ago · 9 km deep · 8 km away
  48. 2.313 km W of Volcano, Hawaii · 17596 days ago · 4 km deep · 22 km away
  49. 2.614 km N of Wai‘?hinu, Hawaii · 17596 days ago · 8 km deep · 46 km away
  50. 2.115 km SSE of Fern Forest, Hawaii · 17596 days ago · 7 km deep · 10 km away
  51. 1.912 km S of Volcano, Hawaii · 17596 days ago · 7 km deep · 2 km away
  52. 1.95 km SSW of Volcano, Hawaii · 17596 days ago · 2 km deep · 10 km away
  53. 2.320 km NNE of P?hala, Hawaii · 17595 days ago · 9 km deep · 24 km away
  54. 1.87 km SW of Volcano, Hawaii · 17595 days ago · 2 km deep · 11 km away
  55. 1.914 km SW of Leilani Estates, Hawaii · 17595 days ago · 8 km deep · 21 km away
  56. 2.322 km N of P?hala, Hawaii · 17595 days ago · 9 km deep · 28 km away
  57. 2.421 km N of P?hala, Hawaii · 17594 days ago · 9 km deep · 28 km away
  58. 2.316 km S of Volcano, Hawaii · 17594 days ago · 9 km deep · 3 km away
  59. 2.321 km N of P?hala, Hawaii · 17593 days ago · 10 km deep · 28 km away
  60. 2.213 km SE of Eden Roc, Hawaii · 17593 days ago · 10 km deep · 20 km away

The first 60 of 199.

Before

  1. 1.712 km SSE of Fern Forest, Hawaii · 17604 days ago · 7 km deep · 14 km away
  2. 2.416 km S of Fern Forest, Hawaii · 17604 days ago · 7 km deep · 6 km away
  3. 2.312 km S of Volcano, Hawaii · 17604 days ago · 6 km deep · 2 km away
  4. 1.98 km SW of Volcano, Hawaii · 17604 days ago · 2 km deep · 11 km away
  5. 1.95 km SSW of Volcano, Hawaii · 17605 days ago · 2 km deep · 10 km away
  6. 2.614 km SSE of Fern Forest, Hawaii · 17605 days ago · 7 km deep · 10 km away
  7. 2.212 km SSE of Volcano, Hawaii · 17605 days ago · 6 km deep · 2 km away
  8. 2.111 km S of Volcano, Hawaii · 17605 days ago · 7 km deep · 3 km away
  9. 2.113 km S of Fern Forest, Hawaii · 17606 days ago · 6 km deep · 9 km away
  10. 2.114 km SSE of Fern Forest, Hawaii · 17607 days ago · 7 km deep · 11 km away
  11. 2.24 km SW of Leilani Estates, Hawaii · 17607 days ago · 4 km deep · 30 km away
  12. 2.013 km SSE of Volcano, Hawaii · 17607 days ago · 7 km deep · 2 km away
  13. 2.33 km E of Leilani Estates, Hawaii · 17607 days ago · 5 km deep · 37 km away
  14. 2.913 km SSE of Volcano, Hawaii · 17607 days ago · 9 km deep · 3 km away
  15. 1.913 km SSE of Volcano, Hawaii · 17607 days ago · 7 km deep · 1 km away
  16. 1.911 km S of Volcano, Hawaii · 17608 days ago · 6 km deep · 3 km away
  17. 2.111 km SSE of Fern Forest, Hawaii · 17608 days ago · 6 km deep · 12 km away
  18. 2.115 km SSE of Fern Forest, Hawaii · 17608 days ago · 5 km deep · 15 km away
  19. 2.32 km E of Leilani Estates, Hawaii · 17608 days ago · 5 km deep · 36 km away
  20. 2.114 km SE of Fern Forest, Hawaii · 17608 days ago · 7 km deep · 17 km away

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From the USGS Earthquake Hazards Program and its partner networks, event hv19781200. Read Thu, Oct 1, 2026, 2:33 PM UTC.