Tonga earthquakes

M5.6 earthquake 110 km E of Hihifo, Tonga

A magnitude 5.6 earthquake struck 110 km E of Hihifo, Tonga on Sun, Apr 2, 1972, 4:36 AM GMT-11 (15:36 UTC), 25 km (16 mi) below the surface.

Apia forecastMore in Tonga

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
5.6 (mw), moderate
Local time
UTC
1972-04-02 15:36:43 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
16.028° S, 172.767° W
Region
Tonga
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Magnitude uncertainty
±0.51
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 3 in the 30 days before it.

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem774055. Read Tue, Sep 22, 2026, 3:56 AM UTC.