Tonga earthquakes

M5.4 earthquake 145 km NE of Neiafu, Tonga

A magnitude 5.4 earthquake struck 145 km NE of Neiafu, Tonga on Thu, Feb 25, 1982, 6:42 AM GMT-12 (18:42 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.4 (mb), moderate
Local time
UTC
1982-02-25 18:42:37 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
17.636° S, 173.103° 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: 2 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 5.0104 km SSE of Hihifo, Tonga · 16268 days ago · 99 km deep · 96 km away
  2. 4.4118 km NNE of Neiafu, Tonga · 16227 days ago · 33 km deep · 34 km away

Before

  1. 5.088 km N of Neiafu, Tonga · 16285 days ago · 108 km deep · 84 km away
  2. 5.1173 km NE of Neiafu, Tonga · 16300 days ago · 33 km deep · 35 km away
  3. 5.2175 km SE of Hihifo, Tonga · 16301 days ago · 33 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001juj (also filed as gcmtb022582a, gcmt19820225184237, iscgem604649). Read Tue, Sep 22, 2026, 9:38 AM UTC.