Tonga earthquakes

M4.5 earthquake Tonga

A magnitude 4.5 earthquake struck in Tonga on Mon, Jan 17, 2022, 4:50 AM GMT+13 (15:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.4 139 km NNW of Nuku‘alofa, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
2022-01-16 15:50:05 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
20.766° S, 175.462° 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.

Location uncertainty
About 13.1 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.31
Depth from
Operator assigned
Station coverage gap
138°
Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 99 in the 60 days after this one and 19 in the 30 days before it.

After

The first 60 of 99.

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000geyv. Read Tue, Sep 29, 2026, 9:40 AM UTC.