Hawaii earthquakes

M2.7 earthquake 15 km S of Volcano, Hawaii

A magnitude 2.7 earthquake struck 15 km S of Volcano, Hawaii on Sat, Sep 28, 1968, 11:50 AM GMT-10 (21:50 UTC), 10 km (7 mi) below the surface.

A larger quake followed: M2.9 4 km WNW of Volcano, Hawaii. This one was a foreshock.

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

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The earthquake

Magnitude
2.7 (ml), micro
Local time
UTC
1968-09-28 21:50:08 UTC
Depth
10.5 km (6.5 mi), shallow
Epicenter
19.303° N, 155.208° 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 1.6 km horizontally, 1.0 km in depth
Magnitude uncertainty
±0.11
Depth from
From location
Station coverage gap
194°, poorly surrounded by stations
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: 153 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 153.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19681069. Read Mon, Sep 21, 2026, 7:27 PM UTC.