Hawaii earthquakes

M2.5 earthquake 6 km WSW of Volcano, Hawaii

A magnitude 2.5 earthquake struck 6 km WSW of Volcano, Hawaii on Sun, Sep 22, 1968, 8:40 PM GMT-10 (06:40 UTC), 19 km (12 mi) below the surface.

A larger quake followed: M2.8 20 km W 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
2.5 (ml), micro
Local time
UTC
1968-09-23 06:40:00 UTC
Depth
18.8 km (11.7 mi), shallow
Epicenter
19.422° N, 155.293° 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 1.1 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
85°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 162 in the 60 days after this one and 37 in the 30 days before it.

After

  1. 2.820 km W of Volcano, Hawaii · 21182 days ago · 2 km deep · 14 km away
  2. 2.322 km W of Volcano, Hawaii · 21182 days ago · 3 km deep · 17 km away
  3. 2.425 km N of P?hala, Hawaii · 21181 days ago · 6 km deep · 21 km away
  4. 2.71 km WSW of Volcano, Hawaii · 21181 days ago · 24 km deep · 5 km away
  5. 1.914 km S of Fern Forest, Hawaii · 21180 days ago · 5 km deep · 20 km away
  6. 2.514 km SSE of Fern Forest, Hawaii · 21180 days ago · 6 km deep · 22 km away
  7. 2.2Island of Hawaii, Hawaii · 21180 days ago · 5 km deep · 17 km away
  8. 2.615 km S of Volcano, Hawaii · 21179 days ago · 6 km deep · 15 km away
  9. 2.89 km E of Honaunau-Napoopoo, Hawaii · 21179 days ago · 3 km deep · 51 km away
  10. 2.516 km S of Volcano, Hawaii · 21178 days ago · 6 km deep · 15 km away
  11. 2.516 km S of Volcano, Hawaii · 21178 days ago · 7 km deep · 15 km away
  12. 2.316 km S of Volcano, Hawaii · 21178 days ago · 7 km deep · 15 km away
  13. 3.118 km S of Volcano, Hawaii · 21178 days ago · 2 km deep · 17 km away
  14. 2.715 km S of Volcano, Hawaii · 21178 days ago · 10 km deep · 16 km away
  15. 2.94 km WNW of Volcano, Hawaii · 21177 days ago · 21 km deep · 4 km away
  16. 2.514 km SE of Volcano, Hawaii · 21177 days ago · 5 km deep · 17 km away
  17. 2.213 km S of Volcano, Hawaii · 21176 days ago · 5 km deep · 12 km away
  18. 2.518 km NNE of P?hala, Hawaii · 21176 days ago · 8 km deep · 13 km away
  19. 2.517 km SW of Leilani Estates, Hawaii · 21175 days ago · 4 km deep · 30 km away
  20. 2.612 km SSW of Volcano, Hawaii · 21174 days ago · 32 km deep · 9 km away
  21. 2.414 km S of Volcano, Hawaii · 21174 days ago · 6 km deep · 13 km away
  22. 1.918 km S of Fern Forest, Hawaii · 21174 days ago · 10 km deep · 22 km away
  23. 2.419 km WSW of Volcano, Hawaii · 21174 days ago · 8 km deep · 13 km away
  24. 2.718 km NNE of P?hala, Hawaii · 21173 days ago · 8 km deep · 14 km away
  25. 2.57 km S of Volcano, Hawaii · 21173 days ago · 3 km deep · 7 km away
  26. 2.37 km S of Volcano, Hawaii · 21172 days ago · 2 km deep · 7 km away
  27. 2.418 km SSE of Fern Forest, Hawaii · 21171 days ago · 11 km deep · 25 km away
  28. 3.06 km SW of Volcano, Hawaii · 21171 days ago · 16 km deep · 2 km away
  29. 2.215 km S of Volcano, Hawaii · 21170 days ago · 7 km deep · 13 km away
  30. 2.59 km SW of Volcano, Hawaii · 21170 days ago · 32 km deep · 4 km away
  31. 2.215 km S of Fern Forest, Hawaii · 21170 days ago · 9 km deep · 20 km away
  32. 2.015 km SSE of Fern Forest, Hawaii · 21170 days ago · 7 km deep · 26 km away
  33. 2.010 km SSE of Volcano, Hawaii · 21169 days ago · -1 km deep · 12 km away
  34. 2.310 km SSE of Volcano, Hawaii · 21169 days ago · 0 km deep · 12 km away
  35. 1.911 km SSE of Volcano, Hawaii · 21169 days ago · 4 km deep · 13 km away
  36. 2.410 km SSE of Volcano, Hawaii · 21169 days ago · 0 km deep · 13 km away
  37. 2.27 km S of Volcano, Hawaii · 21169 days ago · 3 km deep · 8 km away
  38. 1.99 km SSE of Volcano, Hawaii · 21169 days ago · 1 km deep · 11 km away
  39. 1.911 km SSE of Volcano, Hawaii · 21169 days ago · 1 km deep · 14 km away
  40. 2.011 km S of Fern Forest, Hawaii · 21169 days ago · 3 km deep · 17 km away
  41. 2.011 km S of Fern Forest, Hawaii · 21169 days ago · 3 km deep · 16 km away
  42. 2.510 km SSE of Volcano, Hawaii · 21169 days ago · 1 km deep · 12 km away
  43. 2.011 km S of Fern Forest, Hawaii · 21169 days ago · 0 km deep · 19 km away
  44. 2.811 km SSE of Volcano, Hawaii · 21169 days ago · 8 km deep · 14 km away
  45. 2.19 km S of Fern Forest, Hawaii · 21169 days ago · 2 km deep · 18 km away
  46. 2.010 km S of Fern Forest, Hawaii · 21169 days ago · 3 km deep · 16 km away
  47. 2.412 km SE of Volcano, Hawaii · 21169 days ago · 2 km deep · 15 km away
  48. 2.411 km S of Fern Forest, Hawaii · 21169 days ago · 5 km deep · 17 km away
  49. 2.16 km SE of Volcano, Hawaii · 21169 days ago · -1 km deep · 12 km away
  50. 1.911 km SSE of Volcano, Hawaii · 21169 days ago · -1 km deep · 14 km away
  51. 2.010 km S of Fern Forest, Hawaii · 21169 days ago · 3 km deep · 17 km away
  52. 1.89 km SSE of Fern Forest, Hawaii · 21169 days ago · 0 km deep · 20 km away
  53. 1.812 km SSW of Fern Forest, Hawaii · 21168 days ago · 2 km deep · 16 km away
  54. 2.52 km NE of Nanawale Estates, Hawaii · 21168 days ago · 8 km deep · 43 km away
  55. 2.57 km SE of Volcano, Hawaii · 21168 days ago · -1 km deep · 13 km away
  56. 2.79 km S of Fern Forest, Hawaii · 21168 days ago · 3 km deep · 17 km away
  57. 2.417 km S of Fern Forest, Hawaii · 21168 days ago · 0 km deep · 20 km away
  58. 1.810 km S of Fern Forest, Hawaii · 21168 days ago · 3 km deep · 17 km away
  59. 2.010 km S of Fern Forest, Hawaii · 21168 days ago · 3 km deep · 17 km away
  60. 1.811 km S of Fern Forest, Hawaii · 21168 days ago · 3 km deep · 16 km away

The first 60 of 162.

Before

  1. 2.5Island of Hawaii, Hawaii · 21184 days ago · 12 km deep · 16 km away
  2. 2.49 km NE of H?lualoa, Hawaii · 21184 days ago · 6 km deep · 68 km away
  3. 2.517 km NNE of P?hala, Hawaii · 21184 days ago · 8 km deep · 15 km away
  4. 3.113 km NNW of Wai‘?hinu, Hawaii · 21185 days ago · 7 km deep · 45 km away
  5. 2.413 km S of Fern Forest, Hawaii · 21187 days ago · 10 km deep · 20 km away
  6. 2.27 km SSW of Volcano, Hawaii · 21190 days ago · 34 km deep · 6 km away
  7. 2.017 km SSW of Leilani Estates, Hawaii · 21191 days ago · 4 km deep · 32 km away
  8. 2.213 km SSW of Volcano, Hawaii · 21191 days ago · 35 km deep · 11 km away
  9. 2.214 km S of Volcano, Hawaii · 21192 days ago · 4 km deep · 14 km away
  10. 2.518 km NNE of P?hala, Hawaii · 21194 days ago · 4 km deep · 14 km away
  11. 2.816 km W of Volcano, Hawaii · 21195 days ago · 7 km deep · 10 km away
  12. 2.416 km N of P?hala, Hawaii · 21196 days ago · 8 km deep · 20 km away
  13. 2.318 km WSW of Volcano, Hawaii · 21198 days ago · 9 km deep · 11 km away
  14. 2.54 km SSW of Volcano, Hawaii · 21198 days ago · 18 km deep · 4 km away
  15. 2.30 km NNW of Volcano, Hawaii · 21199 days ago · 26 km deep · 7 km away
  16. 2.90 km WNW of Volcano, Hawaii · 21199 days ago · 23 km deep · 6 km away
  17. 3.90 km WNW of Volcano, Hawaii · 21199 days ago · 20 km deep · 6 km away
  18. 2.34 km N of Waikoloa, Hawaii · 21200 days ago · 4 km deep · 81 km away
  19. 3.110 km S of Pa‘auilo, Hawaii · 21201 days ago · 11 km deep · 59 km away
  20. 2.68 km S of Pa‘auilo, Hawaii · 21201 days ago · 15 km deep · 61 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19681042. Read Tue, Sep 22, 2026, 4:18 PM UTC.