M2.1 earthquake 13 km S of Volcano, Hawaii

A magnitude 2.1 earthquake struck 13 km S of Volcano, Hawaii on Fri, Aug 15, 1986, 7:37 AM HST (17:37 UTC), 8 km (5 mi) below the surface.

A larger quake followed: M2.1 12 km SSE of Volcano, 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: 200 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 200.

From the USGS Earthquake Hazards Program and its partner networks, event hv221474. Read Tue, Sep 22, 2026, 12:14 PM UTC.