Hawaii earthquakes

M3.7 earthquake 15 km S of Volcano, Hawaii

A magnitude 3.7 earthquake struck 15 km S of Volcano, Hawaii on Tue, Jul 9, 1968, 9:32 PM GMT-10 (07:32 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 20 km SSW of Leilani Estates, 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
3.7 (ml), minor
Local time
UTC
1968-07-10 07:32:15 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
19.305° N, 155.214° 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 0.8 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.05
Depth from
From location
Station coverage gap
147°
Stations used
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 182 in the 60 days after this one and 17 in the 30 days before it.

After

The first 60 of 182.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19680732. Read Tue, Sep 22, 2026, 9:40 AM UTC.