M3.8 earthquake 12 km S of Volcano, Hawaii

A magnitude 3.8 earthquake struck 12 km S of Volcano, Hawaii on Tue, Aug 23, 1983, 3:48 AM HST (13:48 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M3.8 15 km SE of Fern Forest, Hawaii. This one was a foreshock.

Map

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

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

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

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 199.

From the USGS Earthquake Hazards Program and its partner networks, event hv19832328. Read Tue, Sep 22, 2026, 10:56 AM UTC.