Tonga earthquakes

M4.2 earthquake 268 km W of Houma, Tonga

A magnitude 4.2 earthquake struck 268 km W of Houma, Tonga on Sun, Jan 21, 2024, 3:01 PM GMT+13 (02:01 UTC), 362 km (225 mi) below the surface.

A larger quake followed: M5.8 Fiji region. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2024-01-21 02:01:29 UTC
Depth
362.4 km (225.2 mi), deep
Epicenter
21.093° S, 177.887° 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 10.4 km horizontally, 7.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
80°
Stations used
33

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 29 in the 60 days after this one and 12 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 us6000m55y. Read Fri, Oct 2, 2026, 8:06 AM UTC.