Tonga earthquakes

M4.4 earthquake 278 km W of Haveluloto, Tonga

A magnitude 4.4 earthquake struck 278 km W of Haveluloto, Tonga on Wed, Nov 24, 2021, 6:47 AM GMT+13 (17:47 UTC), 475 km (295 mi) below the surface.

A larger quake followed: M4.7 298 km W of Haveluloto, Tonga. 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
4.4 (mb), light
Local time
UTC
2021-11-23 17:47:54 UTC
Depth
475.4 km (295.4 mi), deep
Epicenter
21.017° S, 177.893° 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 9.5 km horizontally, 6.3 km in depth
Magnitude uncertainty
±0.07
Depth from
From location
Station coverage gap
115°
Stations used
106

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000fwi5. Read Tue, Sep 29, 2026, 2:16 AM UTC.