Tonga earthquakes

M5.0 earthquake 181 km NE of Neiafu, Tonga

A magnitude 5.0 earthquake struck 181 km NE of Neiafu, Tonga on Tue, Feb 6, 1973, 2:08 PM GMT-12 (02:08 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.0 (ms), moderate
Local time
UTC
1973-02-07 02:08:16 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
17.575° S, 172.694° 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
Stations used
28

Nearby

Within 100 km, magnitude 2.0 and up: 1 in the 60 days after this one and 2 in the 30 days before it.

After

  1. 4.4168 km NE of Neiafu, Tonga · 19570 days ago · 33 km deep · 46 km away

Before

  1. 5.1173 km NE of Neiafu, Tonga · 19603 days ago · 33 km deep · 18 km away
  2. 5.2160 km NE of Neiafu, Tonga · 19604 days ago · 33 km deep · 37 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00000e8. Read Tue, Sep 29, 2026, 9:50 AM UTC.