Tonga earthquakes

M4.7 earthquake 143 km SSW of Hihifo, Tonga

A magnitude 4.7 earthquake struck 143 km SSW of Hihifo, Tonga on Fri, Feb 4, 2022, 8:20 PM GMT-12 (08:20 UTC), 151 km (94 mi) below the surface.

A larger quake followed: M5.2 127 km SSW of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.7 (mb), light
Local time
UTC
2022-02-05 08:20:44 UTC
Depth
151.3 km (94.0 mi), intermediate-depth
Epicenter
17.149° S, 174.312° 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 12.3 km horizontally, 4.1 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
135°
Stations used
54

Nearby

Within 100 km, magnitude 1.7 and up: 7 in the 60 days after this one and 10 in the 30 days before it.

After

Before

Earthquakes todayTonga earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000gi7w. Read Wed, Sep 30, 2026, 10:04 AM UTC.