Tonga earthquakes

M5.4 earthquake 177 km WNW of Hihifo, Tonga

A magnitude 5.4 earthquake struck 177 km WNW of Hihifo, Tonga on Sun, Mar 28, 1982, 12:53 AM GMT-12 (12:53 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.4 (ms), moderate
Local time
UTC
1982-03-28 12:53:25 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
15.633° S, 175.421° 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.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 2.4 and up: 0 in the 60 days after this one and 2 in the 30 days before it.

Before

  1. 4.9109 km WSW of Hihifo, Tonga · 16267 days ago · 228 km deep · 94 km away
  2. 5.1100 km W of Hihifo, Tonga · 16278 days ago · 226 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001kds (also filed as gcmtb032882d, gcmt19820328125325, iscgem603199). Read Tue, Sep 22, 2026, 2:53 PM UTC.