Tonga earthquakes

M5.1 earthquake 270 km WNW of Haveluloto, Tonga

A magnitude 5.1 earthquake struck 270 km WNW of Haveluloto, Tonga on Sat, Apr 24, 2021, 12:11 PM GMT+13 (23:11 UTC), 495 km (307 mi) below the surface.

Nuku‘alofa 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: 5.1 (mb), moderate
Local time: Sat, Apr 24, 2021, 12:11 PM GMT+13
UTC: 2021-04-23 23:11:56 UTC
Depth: 494.6 km (307.3 mi), deep
Epicenter: 20.434° S, 177.700° 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 9.8 km horizontally, 5.2 km in depth
Magnitude uncertainty: ±0.02
Depth from: From location
Station coverage gap: 25°
Stations used: 255

Nearest places

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

Nuku‘alofa, TongaPopulation 22,400. Forecast271 kmWNW

Nearby

Within 100 km, magnitude 2.1 and up: 33 in the 60 days after this one and 14 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 us6000e46r (also filed as iscgem620342219). Read Mon, Sep 28, 2026, 9:16 PM UTC.