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M5.6 Earthquake near 122 km ENE of Hihifo, Tonga

UTC time: 2025-08-18 07:48:49 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

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

Magnitude
M5.6
Depth
89.2 km
Source
USGS

122 km ENE of Hihifo, Tonga

Map

M5.6 Earthquake near 122 km ENE of Hihifo, Tonga · 2025-08-18 — Map showing the location of the epicenter
M5.6 Earthquake near 122 km ENE of Hihifo, Tonga · 2025-08-18 — Map showing the location of the epicenter

About this earthquake

On August 18, 2025 at 07:48 UTC, a magnitude M5.6 earthquake occurred near 122 km ENE of Hihifo, Tonga. At around 89 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

The event was recorded by USGS.

Details

ID
bc0556ea56e9c55ba742127ac228d698b0ceac00
Magnitude
M5.6
Depth
89.2 km
UTC time
2025-08-18 07:48:49 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-15.38700, -172.81500
Temperature
26.7°C

Depth profile

Depth profile Depth: 89.2 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 89.2 km
Intermediate
89.2 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
Apia206.3 kmNE40'407

GeoNames · CC BY 4.0

Volcanoes nearby

  • Curacoa
    Distance: 95 km ·Complex ·Elevation: -33 m ·Last eruption: 1979 ·Tonga
  • West Mata
    Distance: 105 km ·Fissure vent(s) ·Elevation: -1'174 m ·Last eruption: 2009 ·Tonga
  • Tafahi
    Distance: 113 km ·Stratovolcano ·Elevation: 546 m ·Tonga
  • Niuatahi
    Distance: 127 km ·Caldera ·Elevation: -1'270 m ·Tonga
  • Tafu-Maka
    Distance: 152 km ·Fissure vent ·Elevation: -1'400 m ·Last eruption: 2008 ·Tonga
  • Savaii
    Distance: 200 km ·Shield ·Elevation: 1'858 m ·Last eruption: 1911 ·Samoa

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#1
Earlier events M≥437
Earlier events M≥511
Compared since2025-01-03

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

Strongest earlier events

M5.52025-08-18 07:48:45 UTC59.2 kmTONGA M5.52025-08-18 07:48:44 UTC63.2 kmTonga Islands M5.52025-08-18 07:48:43 UTC57.8 km88 km NNE of Hihifo, Tonga M5.52025-08-12 13:41:29 UTC54.7 kmTONGA M5.52025-04-19 16:55:04 UTC74.9 km92 km NNE of Hihifo, Tonga

Stats (last 24h)

Global (24h)
603
Country (24h)
—
—
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