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M5.7 Earthquake near South of Tonga Islands [Sea: Tonga]

UTC time: 2025-08-18 23:03:12 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. How our reports are produced ↗

Magnitude
M5.7
Depth
71.1 km
Source
INGV

South of Tonga Islands [Sea: Tonga]

Map

M5.7 Earthquake near South of Tonga Islands [Sea: Tonga] · 2025-08-18 — Map showing the location of the epicenter
M5.7 Earthquake near South of Tonga Islands [Sea: Tonga] · 2025-08-18 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.7 earthquake was recorded near South of Tonga Islands [Sea: Tonga] on August 18, 2025 at 23:03 UTC. At around 71 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

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

Details

ID
ec13e78d2c22db284e8227d6fe35bb5900a49c93
Magnitude
M5.7
Depth
71.1 km
UTC time
2025-08-18 23:03:12 UTC
Local time
—
Country
—
Source
ingv
Coordinates
-24.36330, -175.23300
Temperature
21.0°C

Depth profile

Depth profile Depth: 71.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 71.1 km
Intermediate
71.1 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Nuku'alofa358.8 kmN22'400

GeoNames · CC BY 4.0

Volcanoes nearby

Subsequent earthquakes nearby

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

First 6 hours0
First 24 hours2
First 72 hours2
Strongest subsequent eventM6.0
M5.32025-08-19 14:37:12 UTC83.2 kmSouth of Tonga Islands M5.42025-08-19 14:37:16 UTC73.9 kmsouth of Tonga M5.52025-08-23 00:10:54 UTC49.3 kmSouth of Tonga Islands M5.52025-08-23 00:10:55 UTC75.2 kmsouth of Tonga M5.22025-08-23 00:10:56 UTC65.2 kmEvent of magnitude 5.2, near of Auckland (Monde) M6.02025-08-23 00:11:01 UTC4.2 kmSouth of Tonga Islands [Sea: Tonga] M5.02025-08-23 00:43:45 UTC84.8 kmSOUTH OF TONGA M5.22025-08-27 00:10:38 UTC70.1 kmsouth of Tonga M5.02025-09-03 22:56:13 UTC105.6 km246 km SSW of ‘Ohonua, Tonga M5.22025-09-05 01:27:38 UTC98.2 kmTonga Islands Region M5.02025-09-05 01:27:41 UTC116.5 kmTONGA REGION

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#2
Earlier events M≥437
Earlier events M≥521
Compared since2025-01-12

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

Strongest earlier events

M6.02025-02-07 10:26:59 UTC104.8 kmsouth of the Fiji Islands M5.72025-08-16 22:52:05 UTC38.5 kmSouth of Tonga Islands M5.62025-08-18 23:03:09 UTC72.0 kmSouth of Tonga Islands M5.52025-08-16 22:52:11 UTC68.9 kmsouth of Tonga M5.42025-08-16 22:52:07 UTC37.2 kmEvent of magnitude 5.4, near of Auckland (Monde)

Stats (last 24h)

Global (24h)
510
Country (24h)
—
—
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Magnitude Place Local time
No recent events available.

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