M5.1 Depth: 49.0 km

M5.1 Earthquake near Tonga Islands Region

UTC time: 2025-07-17 07:15:36 UTC Local time: —

About this earthquake

A magnitude M5.1 earthquake was recorded near Tonga Islands Region on July 17, 2025 at 07:15 UTC. With a focal depth of about 49 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 data is provided by GFZ and cross-checked across seismological networks.

Details

Magnitude

M5.1

Depth

49.0 km

UTC time

2025-07-17 07:15:36 UTC

Local time

—

Country

—

Source

gfz

Coordinates

-23.71000, -175.30000

Temperature

22.0°C

Map

Depth profile

Shallow

49 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'alofa286.3 kmN22'400

GeoNames · CC BY 4.0

Volcanoes nearby

Kermadec Arc at 24.8°S

Distance: 212 km ·Stratovolcano ·Elevation: -385 m ·Tonga
Tofua Arc at 21.3°S

Distance: 266 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
Tofua Arc at 21.1°S

Distance: 288 km ·Stratovolcano ·Elevation: -65 m ·Tonga
Monowai

Distance: 308 km ·Stratovolcano ·Elevation: -132 m ·Last eruption: 2014 ·New Zealand
Tofua Arc at 20.9°S

Distance: 319 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
Hunga Tonga-Hunga Ha'apai

Distance: 351 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 hours3

First 24 hours3

First 72 hours3

Strongest subsequent eventM5.2

M5.02025-07-17 07:57:54 UTC73.1 kmsouth of Tonga M5.22025-07-17 07:57:54 UTC50.3 kmSouth of Tonga Islands M5.02025-07-17 07:57:55 UTC75.3 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#10

Earlier events M≥440

Earlier events M≥518

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 UTC89.2 kmTonga Islands Region M6.02025-05-25 10:49:53 UTC111.4 km M5.92025-02-07 10:27:01 UTC97.5 kmsouth of the Fiji Islands M5.42025-07-03 08:40:10 UTC132.3 km M5.32025-07-03 08:40:09 UTC132.1 kmTonga Islands Region

Stats (last 24h)

Global (24h)

660

Country (24h)

—

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