Tonga earthquakes

M5.2 earthquake 107 km ESE of Hihifo, Tonga

A magnitude 5.2 earthquake struck 107 km ESE of Hihifo, Tonga on Tue, Apr 28, 2020, 1:13 PM GMT+13 (00:13 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.7 87 km ENE of Hihifo, Tonga. This one was a foreshock.

Apia forecast More in Tonga

Map

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

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The earthquake

Magnitude: 5.2 (mb), moderate
Local time: Tue, Apr 28, 2020, 1:13 PM GMT+13
UTC: 2020-04-28 00:13:43 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 16.387° S, 172.900° 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 8.2 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.03
Depth from: Operator assigned
Station coverage gap: 57°
Stations used: 126

Nearest places

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

Apia, SamoaPopulation 40,407. Forecast309 kmSSW

Nearby

Within 100 km, magnitude 2.2 and up: 18 in the 60 days after this one and 3 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 us60009dmf (also filed as iscgem618173379). Read Wed, Sep 30, 2026, 10:20 PM UTC.