Tonga earthquakes

M4.6 earthquake 268 km W of Haveluloto, Tonga

A magnitude 4.6 earthquake struck 268 km W of Haveluloto, Tonga on Fri, Jul 15, 2016, 1:02 PM GMT+13 (00:02 UTC), 467 km (290 mi) below the surface.

A larger quake followed: M4.8 270 km WNW of Haveluloto, Tonga. This one was a foreshock.

Nuku‘alofa forecastMore in Tonga

Map

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

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-07-15 00:02:49 UTC
Depth
466.6 km (289.9 mi), deep
Epicenter
21.092° S, 177.797° 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.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 14.3 km horizontally, 10.1 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
104°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 23 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20006g5m. Read Thu, Oct 1, 2026, 11:01 PM UTC.