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Tonga

M4.9 Earthquake near 88 km N of Nuku‘alofa, Tonga (Tonga)

UTC time: 2025-12-18 03:54:18 UTC Local time: —
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Archive record · original publication time was not recorded

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

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About this earthquake

A magnitude M4.9 earthquake was recorded near 88 km N of Nuku‘alofa, Tonga (Tonga) on December 18, 2025 at 03:54 UTC. The earthquake originated at an intermediate depth of about 207 km. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

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

Details

ID
cf37adeb377cb251109ab041163309b12803ac75
Magnitude
M4.9
Depth
206.8 km
UTC time
2025-12-18 03:54:18 UTC
Local time
—
Country
Tonga
City
Haʻapai
Source
usgs
Coordinates
-20.34630, -175.33140
Temperature
26.2°C

Depth profile

Depth profile Depth: 206.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 206.8 km
Intermediate
206.8 km
206.8 km — deeper than the regional average (99 km)
Regional average: 99 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Fonuafo'ou
    Distance: 10 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 24 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 61 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Tofua
    Distance: 72 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga
  • Kao
    Distance: 82 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1847 ·Tonga
  • Tofua Arc at 21.1°S
    Distance: 99 km ·Stratovolcano ·Elevation: -65 m ·Tonga

Tonga

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 12 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · Tonga

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Country statistics · Tonga

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Stats (last 24h)

Global (24h)
610
Country (24h)
Tonga
0
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