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M5.5 Earthquake near TONGA

UTC time: 2025-08-12 13:41:29 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.5
Depth
37.7 km
Source
EMSC

TONGA

Map

M5.5 Earthquake near TONGA · 2025-08-12 — Map showing the location of the epicenter
M5.5 Earthquake near TONGA · 2025-08-12 — Map showing the location of the epicenter

About this earthquake

On August 12, 2025 at 13:41 UTC, a magnitude M5.5 earthquake occurred near TONGA. With a focal depth of about 38 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 EMSC and cross-checked across seismological networks.

Details

ID
577660dcba05bb40d855ac9e44293ac67c49a948
Magnitude
M5.5
Depth
37.7 km
UTC time
2025-08-12 13:41:29 UTC
Local time
—
Country
—
Source
emsc
Coordinates
-15.27640, -173.31160
Temperature
26.3°C

Depth profile

Depth profile Depth: 37.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37.7 km
Shallow
37.7 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

Felt reports

3felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Aug 12, 2025, 6:38 PM UTC · Last checked: Sep 6, 2026, 12:16 PM UTC

Source: EMSC / LastQuake

Nearby population centers

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

PlaceDistanceDirectionPopulation
Apia231.1 kmNE40'407

GeoNames · CC BY 4.0

Volcanoes nearby

  • West Mata
    Distance: 51 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Curacoa
    Distance: 54 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • Niuatahi
    Distance: 75 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafahi
    Distance: 79 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Tafu-Maka
    Distance: 99 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Savaii
    Distance: 204 km ·Shield ·Elevation: 1'858 m ·Last eruption: 1911 ·Samoa

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kuini Lavenia AirportTonga · NTT · NFTP
    93.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Subsequent earthquakes nearby

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

First 6 hours0
First 24 hours0
First 72 hours2
Strongest subsequent eventM5.6
M4.82025-08-14 09:50:45 UTC85.5 km45 km ESE of Hihifo, Tonga M5.02025-08-14 09:50:46 UTC93.1 kmTonga Islands M5.52025-08-18 07:48:43 UTC3.6 km88 km NNE of Hihifo, Tonga M5.52025-08-18 07:48:44 UTC22.5 kmTonga Islands M5.52025-08-18 07:48:45 UTC5.6 kmTONGA M5.62025-08-18 07:48:49 UTC54.7 km122 km ENE of Hihifo, Tonga

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≥447
Earlier events M≥512
Compared since2025-01-03

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

Strongest earlier events

M5.62025-04-04 08:01:06 UTC130.0 km84 km WNW of Hihifo, Tonga M5.52025-04-19 16:55:04 UTC20.9 km92 km NNE of Hihifo, Tonga M5.52025-02-20 10:31:20 UTC67.9 km68 km NNW of Hihifo, Tonga M5.42025-06-29 01:56:15 UTC126.5 kmTonga Islands M5.32025-07-10 04:46:57 UTC117.0 kmTonga Islands

Stats (last 24h)

Global (24h)
603
Country (24h)
—
—
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