M4.7 earthquake 284 km SSW of ‘Ohonua, Tonga

A magnitude 4.7 earthquake struck 284 km SSW of ‘Ohonua, Tonga on Wed, Dec 22, 1982, 8:45 PM GMT+13 (07:45 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.6 south of the Fiji Islands. 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 1.7 and up: 23 in the 60 days after this one and 45 in the 30 days before it.

From the USGS Earthquake Hazards Program and its partner networks, event usp0001rn2. Read Mon, Sep 21, 2026, 8:22 PM UTC.