Tonga earthquakes

M4.2 earthquake 91 km SSW of Hihifo, Tonga

A magnitude 4.2 earthquake struck 91 km SSW of Hihifo, Tonga on Tue, Mar 4, 2025, 5:36 PM GMT-12 (05:36 UTC), 122 km (76 mi) below the surface.

A larger quake followed: M5.2 71 km S of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.2 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-05 05:36:32 UTC
Depth
122.2 km (75.9 mi), intermediate-depth
Epicenter
16.725° S, 174.100° 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 15.1 km horizontally, 10.6 km in depth
Magnitude uncertainty
±0.21
Depth from
From location
Station coverage gap
156°
Stations used
12

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 3 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 us6000pyma. Read Sun, Oct 4, 2026, 2:48 PM UTC.