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M5.1 Earthquake near Tonga Islands Region

UTC time: 2025-09-29 05:57:41 UTC Local time: —

Earthquake newsQuakeMap24

Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude

M5.1

Depth: 10.0 km
Source: GFZ

Tonga Islands Region

Map

About this earthquake

On September 29, 2025 at 05:57 UTC, a magnitude M5.1 earthquake occurred near Tonga Islands Region. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by GFZ and cross-checked across seismological networks.

Details

3fe22cb4c6105c456b2549f408baeb47e24e8a82

Magnitude

M5.1

Depth

10.0 km

UTC time

2025-09-29 05:57:41 UTC

Local time

—

Country

—

Source

gfz

Coordinates

-21.15000, -172.95000

Temperature

22.0°C

Depth profile

Shallow

10 km

Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation

Nuku'alofa233.5 kmW22'400

GeoNames · CC BY 4.0

Volcanoes nearby

Hunga Tonga-Hunga Ha'apai

Distance: 261 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
Tofua

Distance: 270 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga
Kao

Distance: 271 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1847 ·Tonga
Tofua Arc at 20.9°S

Distance: 272 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
Fonuafo'ou

Distance: 273 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
Tofua Arc at 21.3°S

Distance: 281 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours2

First 24 hours2

First 72 hours2

Strongest subsequent eventM5.0

M5.02025-09-29 05:57:42 UTC42.3 km168 km SE of Pangai, Tonga M5.02025-09-29 05:57:42 UTC41.3 kmTONGA

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#9

Earlier events M≥441

Earlier events M≥514

Compared since2025-01-02

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.02025-03-30 12:18:49 UTC135.0 km73 km SE of Pangai, Tonga M6.22025-03-30 15:04:54 UTC139.6 km72 km SSE of Pangai, Tonga M5.52025-07-06 20:31:44 UTC144.3 kmTonga Islands M5.52025-05-11 22:04:57 UTC117.9 kmTONGA M5.52025-05-11 22:04:55 UTC103.2 kmTonga Islands

Stats (last 24h)

Global (24h)

610

Country (24h)

—

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