M5.1 Depth: 10.0 km

M5.1 Earthquake near SOUTH OF TONGA

UTC time: 2025-07-17 07:15:33 UTC Local time: —

About this earthquake

On July 17, 2025 at 07:15 UTC, a magnitude M5.1 earthquake occurred near SOUTH OF TONGA. 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 event was recorded by EMSC.

Details

Magnitude

M5.1

Depth

10.0 km

UTC time

2025-07-17 07:15:33 UTC

Local time

—

Country

—

Source

emsc

Coordinates

-24.13440, -175.70760

Temperature

22.0°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'alofa337.3 kmN22'400

GeoNames · CC BY 4.0

Volcanoes nearby

Kermadec Arc at 24.8°S

Distance: 152 km ·Stratovolcano ·Elevation: -385 m ·Tonga
Monowai

Distance: 245 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: 365 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
Hunga Tonga-Hunga Ha'apai

Distance: 400 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 hours4

First 24 hours4

First 72 hours4

Strongest subsequent eventM5.2

M5.12025-07-17 07:15:36 UTC62.8 kmTonga Islands Region M5.02025-07-17 07:57:54 UTC11.2 kmsouth of Tonga M5.22025-07-17 07:57:54 UTC14.3 kmSouth of Tonga Islands M5.02025-07-17 07:57:55 UTC12.9 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#6

Earlier events M≥433

Earlier events M≥512

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 UTC131.0 kmTonga Islands Region M6.02025-05-25 10:49:53 UTC149.8 km M5.92025-02-07 10:27:01 UTC57.2 kmsouth of the Fiji Islands M5.22025-06-17 12:00:22 UTC121.4 kmTonga Islands Region M5.22025-05-19 15:24:13 UTC88.3 kmSouth of Tonga Islands

Stats (last 24h)

Global (24h)

657

Country (24h)

—

Current earthquakes in

Magnitude Place Local time

No recent events available.