M2.5 earthquake 30 km SSE of Volcano, Hawaii

A magnitude 2.5 earthquake struck 30 km SSE of Volcano, Hawaii on Thu, Sep 23, 1971, 3:53 AM HST (13:53 UTC), 51 km (32 mi) below the surface.

A larger quake followed: M2.8 12 km SSE of Leilani Estates, 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 hv19714569. Read Tue, Sep 22, 2026, 4:53 PM UTC.