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M5.6 Depth: 89.2 km

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

UTC time: 2025-08-18 07:48:49 UTC Local time: —

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

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

Map

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

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)
594
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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