M5.1 Depth: 10.0 km

M5.1 Earthquake near south of Tonga

UTC time: 2025-07-17 07:15:32 UTC Local time: —

About this earthquake

On July 17, 2025 at 07:15 UTC, a magnitude M5.1 earthquake occurred near south of Tonga. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by USGS.

Details

Magnitude

M5.1

Depth

10.0 km

UTC time

2025-07-17 07:15:32 UTC

Local time

—

Country

—

Source

usgs

Coordinates

-24.13280, -175.81630

Temperature

22.2°C

Map

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'alofa339.1 kmN22'400

GeoNames · CC BY 4.0

Volcanoes nearby

Kermadec Arc at 24.8°S

Distance: 143 km ·Stratovolcano ·Elevation: -385 m ·Tonga
Monowai

Distance: 239 km ·Stratovolcano ·Elevation: -132 m ·Last eruption: 2014 ·New Zealand
Tofua Arc at 21.3°S

Distance: 311 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
Tofua Arc at 21.1°S

Distance: 332 km ·Stratovolcano ·Elevation: -65 m ·Tonga
Tofua Arc at 20.9°S

Distance: 366 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
Hunga Tonga-Hunga Ha'apai

Distance: 401 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga

Subsequent earthquakes nearby

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

First 6 hours5

First 24 hours5

First 72 hours5

Strongest subsequent eventM5.2

M5.12025-07-17 07:15:33 UTC11.0 km M5.12025-07-17 07:15:36 UTC70.5 kmTonga Islands Region M5.02025-07-17 07:57:54 UTC13.3 kmsouth of Tonga M5.22025-07-17 07:57:54 UTC20.2 kmSouth of Tonga Islands M5.02025-07-17 07:57:55 UTC12.8 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6

Earlier events M≥435

Earlier events M≥511

Compared since2025-01-12

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

Strongest earlier events

M6.02025-05-25 10:49:53 UTC132.1 kmTonga Islands Region M6.02025-05-25 10:49:53 UTC149.9 km M5.92025-02-07 10:27:01 UTC47.1 kmsouth of the Fiji Islands M5.22025-06-17 12:00:22 UTC126.6 kmTonga Islands Region M5.22025-05-19 15:24:13 UTC98.2 kmSouth of Tonga Islands

Stats (last 24h)

Global (24h)

661

Country (24h)

—

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