Hawaii earthquakes

M3.4 earthquake 5 km SW of Volcano, Hawaii

A magnitude 3.4 earthquake struck 5 km SW of Volcano, Hawaii on Fri, Aug 16, 1968, 1:14 PM GMT-10 (23:14 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 Island of Hawaii, Hawaii. This one was a foreshock.

Volcano forecastMore in Hawaii

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.4 (ml), minor
Local time
UTC
1968-08-16 23:14:00 UTC
Depth
15.8 km (9.8 mi), shallow
Epicenter
19.411° N, 155.269° 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, 0.6 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
87°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 193 in the 60 days after this one and 6 in the 30 days before it.

After

The first 60 of 193.

Before

Earthquakes todayHawaii earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event hv19680911. Read Tue, Sep 22, 2026, 10:23 PM UTC.