M4.2 earthquake 21 km W of Volcano, Hawaii

A magnitude 4.2 earthquake struck 21 km W of Volcano, Hawaii on Fri, Nov 12, 1982, 4:18 PM HST (02:18 UTC), 13 km (8 mi) below the surface.

Map

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

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.	Scale	Computed by	Notes
4.21	ML, local (Richter)	Hawaiian Volcano Observatory	Preferred · Final · ±0.23 · 4 stations
4.4	mb, body-wave	USGS National Earthquake Information Center	Reviewed · 2 stations

The USGS’s account of the effects of this earthquake.

Felt throughout much of the island.

From the USGS event page for hv19824301. U.S. Geological Survey text and figures are in the public domain.

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: 196 in the 60 days after this one and at least 200 in the 30 days before it.

The first 60 of 196.

From the USGS Earthquake Hazards Program and its partner networks, event hv19824301 (also filed as usp0001qvn). Read Fri, Oct 2, 2026, 6:55 AM UTC.