Tonga earthquakes

M4.7 earthquake 270 km SSW of ‘Ohonua, Tonga

A magnitude 4.7 earthquake struck 270 km SSW of ‘Ohonua, Tonga on Fri, Jun 16, 2023, 11:48 PM GMT+13 (10:48 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M6.2 254 km SSW of ‘Ohonua, 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
4.7 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2023-06-16 10:48:36 UTC
Depth
27.5 km (17.1 mi), shallow
Epicenter
23.654° S, 175.793° 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 10.0 km horizontally, 3.8 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
115°
Stations used
27

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 120 in the 60 days after this one and 11 in the 30 days before it.

After

The first 60 of 120.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000kak2. Read Sun, Oct 4, 2026, 8:06 PM UTC.