Tonga earthquakes

M4.4 earthquake 272 km SW of Houma, Tonga

A magnitude 4.4 earthquake struck 272 km SW of Houma, Tonga on Sat, Mar 21, 2026, 11:17 AM GMT+13 (22:17 UTC), 249 km (155 mi) below the surface.

A larger quake followed: M5.7 288 km SSW of Houma, 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, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2026-03-20 22:17:06 UTC
Depth
248.9 km (154.6 mi), intermediate-depth
Epicenter
22.777° S, 177.303° 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 17.7 km horizontally, 9.1 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
168°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000shz5. Read Sun, Oct 4, 2026, 11:01 AM UTC.