Tonga earthquakes

M4.8 earthquake 144 km S of ‘Ohonua, Tonga

A magnitude 4.8 earthquake struck 144 km S of ‘Ohonua, Tonga on Fri, Jul 28, 2023, 4:53 AM GMT+13 (15:53 UTC), 10 km (6 mi) below the surface.

Nuku‘alofa forecast More in Tonga

Map

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The earthquake

Magnitude: 4.8 (mb, body-wave), light
Magnitude from: USGS National Earthquake Information Center
Local time: Fri, Jul 28, 2023, 4:53 AM GMT+13
UTC: 2023-07-27 15:53:00 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 22.643° S, 174.951° 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 10.2 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.06
Depth from: Operator assigned
Station coverage gap: 94°
Stations used: 104

Nearest places

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

Nuku‘alofa, TongaPopulation 22,400. Forecast169 kmS

Nearby

Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 7 in the 30 days before it.

After

Before

Earthquakes today Tonga earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000kxu0. Read Sun, Oct 4, 2026, 8:35 PM UTC.