Tonga earthquakes

M4.9 earthquake 138 km SW of Hihifo, Tonga

A magnitude 4.9 earthquake struck 138 km SW of Hihifo, Tonga on Wed, Jun 1, 1983, 1:13 AM GMT-12 (13:13 UTC), 153 km (95 mi) below the surface.

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1983-06-01 13:13:51 UTC
Depth
153.0 km (95.1 mi), intermediate-depth
Epicenter
16.976° S, 174.553° 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.

Nearby

Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.6101 km S of Hihifo, Tonga · 15824 days ago · 35 km deep · 93 km away
  2. 4.8137 km SW of Hihifo, Tonga · 15809 days ago · 286 km deep · 38 km away
  3. 4.6135 km SW of Hihifo, Tonga · 15775 days ago · 33 km deep · 4 km away

Before

  1. 6.6147 km SW of Hihifo, Tonga · 15828 days ago · 180 km deep · 9 km away
  2. 4.6164 km SW of Hihifo, Tonga · 15840 days ago · 33 km deep · 31 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001vuw. Read Wed, Sep 30, 2026, 3:53 PM UTC.