Hawaii earthquakes

M3.5 earthquake 89 km WSW of Captain Cook, Hawaii

A magnitude 3.5 earthquake struck 89 km WSW of Captain Cook, Hawaii on Wed, Jun 21, 1978, 6:49 PM HST (04:49 UTC), 33 km (21 mi) below the surface.

Captain Cook 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
3.5 (ml), minor
Local time
UTC
1978-06-22 04:49:56 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
19.064° N, 156.640° 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 6.2 km horizontally, 3.9 km in depth
Magnitude uncertainty
±0.01
Depth from
From location
Station coverage gap
277°, poorly surrounded by stations
Stations used
26

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 3.591 km WSW of Captain Cook, Hawaii · 17625 days ago · 28 km deep · 3 km away
  2. 3.0Hawaii region, Hawaii · 17624 days ago · 35 km deep · 31 km away
  3. 2.44 km E of Honaunau-Napoopoo, Hawaii · 17620 days ago · 4 km deep · 96 km away
  4. 2.02 km SSE of Honaunau-Napoopoo, Hawaii · 17616 days ago · 12 km deep · 92 km away
  5. 3.4Hawaii region, Hawaii · 17615 days ago · 33 km deep · 47 km away
  6. 1.6Island of Hawaii, Hawaii · 17612 days ago · 9 km deep · 92 km away
  7. 3.497 km WSW of Captain Cook, Hawaii · 17609 days ago · 29 km deep · 8 km away
  8. 3.373 km W of Hawaiian Ocean View, Hawaii · 17603 days ago · 35 km deep · 19 km away
  9. 2.917 km W of Kalaoa, Hawaii · 17603 days ago · 34 km deep · 91 km away
  10. 2.418 km SSE of Honaunau-Napoopoo, Hawaii · 17601 days ago · 9 km deep · 92 km away
  11. 1.95 km N of Honaunau-Napoopoo, Hawaii · 17590 days ago · 5 km deep · 95 km away
  12. 2.48 km SSE of Honaunau-Napoopoo, Hawaii · 17588 days ago · 10 km deep · 93 km away
  13. 2.910 km WNW of Kalaoa, Hawaii · 17581 days ago · 32 km deep · 96 km away

Before

  1. 2.385 km WSW of Captain Cook, Hawaii · 17625 days ago · 26 km deep · 4 km away
  2. 2.44 km E of Honaunau-Napoopoo, Hawaii · 17629 days ago · 4 km deep · 96 km away
  3. 2.8106 km WSW of Captain Cook, Hawaii · 17631 days ago · 5 km deep · 19 km away
  4. 3.289 km W of Hawaiian Ocean View, Hawaii · 17634 days ago · 5 km deep · 15 km away
  5. 2.929 km W of Kalaoa, Hawaii · 17644 days ago · 6 km deep · 84 km away
  6. 2.71 km NNW of Kailua-Kona, Hawaii · 17650 days ago · 7 km deep · 94 km away
  7. 3.02 km W of Kailua-Kona, Hawaii · 17650 days ago · 8 km deep · 91 km away
  8. 2.455 km SW of Captain Cook, Hawaii · 17652 days ago · 32 km deep · 35 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19781025. Read Tue, Sep 22, 2026, 10:33 PM UTC.