Back to map
M6.0 Depth: 99.2 km

M6.0 Earthquake near South of Tonga Islands [Sea: Tonga]

UTC time: 2025-08-23 00:11:01 UTC Local time: —
M6.0 earthquake near South of Tonga Islands [Sea: Tonga] on Aug 23, 2025 — map of epicenter and shaking intensity | QuakeMap24
M6.0 Earthquake near South of Tonga Islands [Sea: Tonga] · 2025-08-23 00:11:01 UTC

About this earthquake

A magnitude M6.0 earthquake was recorded near South of Tonga Islands [Sea: Tonga] on August 23, 2025 at 00:11 UTC. The earthquake originated at an intermediate depth of about 99 km. Events of this size are considered strong and can be dangerous in inhabited regions.

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

Details

Magnitude
M6.0
Depth
99.2 km
UTC time
2025-08-23 00:11:01 UTC
Local time
—
Country
—
Source
ingv
Coordinates
-24.33520, -175.20500
Temperature
18.5°C

Map

Depth profile

Depth profile Depth: 99.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 99.2 km
Intermediate
99.2 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'alofa355.6 kmN22'400

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kermadec Arc at 24.8°S
    Distance: 191 km ·Stratovolcano ·Elevation: -385 m ·Tonga
  • Monowai
    Distance: 264 km ·Stratovolcano ·Elevation: -132 m ·Last eruption: 2014 ·New Zealand
  • Tofua Arc at 21.3°S
    Distance: 336 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Tofua Arc at 21.1°S
    Distance: 359 km ·Stratovolcano ·Elevation: -65 m ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 389 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 421 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.2
M5.02025-08-23 00:43:45 UTC88.7 kmSOUTH OF TONGA M5.22025-08-27 00:10:38 UTC74.3 kmsouth of Tonga M5.02025-09-03 22:56:13 UTC103.8 km246 km SSW of ‘Ohonua, Tonga M5.22025-09-05 01:27:38 UTC95.2 kmTonga Islands Region M5.02025-09-05 01:27:41 UTC114.2 kmTONGA REGION M5.02025-09-05 13:58:49 UTC198.9 kmSOUTH OF FIJI ISLANDS

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥479
Earlier events M≥541
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 UTC158.4 kmTonga Islands Region M6.02025-05-25 10:49:53 UTC180.1 kmTONGA REGION M6.02025-02-07 10:26:59 UTC105.9 kmsouth of the Fiji Islands M5.72025-08-18 23:03:12 UTC4.2 kmSouth of Tonga Islands [Sea: Tonga] M5.72025-08-16 22:52:05 UTC39.2 kmSouth of Tonga Islands

Stats (last 24h)

Global (24h)
709
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

Share