Tonga earthquakes

M4.6 earthquake 105 km S of Hihifo, Tonga

A magnitude 4.6 earthquake struck 105 km S of Hihifo, Tonga on Sun, May 11, 2025, 12:40 PM GMT-12 (00:40 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.0 128 km SSW of Hihifo, Tonga. This one was a foreshock.

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-05-12 00:40:15 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
16.904° S, 173.874° 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 11.2 km horizontally, 1.6 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
81°
Stations used
28

Nearby

Within 100 km, magnitude 1.6 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pys0. Read Sun, Oct 4, 2026, 3:27 PM UTC.