M4.8 Depth: 436.7 km

M4.8 Earthquake near 270 km W of Houma, Tonga

UTC time: 2025-12-22 16:02:32 UTC Local time:

About this earthquake

On December 22, 2025 at 16:02 UTC, a magnitude M4.8 earthquake occurred near 270 km W of Houma, Tonga. At roughly 437 km, the focus was very deep, so surface shaking tends to be weaker. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS.

Details

Magnitude
M4.8
Depth
436.7 km
UTC time
2025-12-22 16:02:32 UTC
Local time
Country
Source
usgs
Coordinates
-21.10780, -177.90850
Temperature
25.4°C

Map

Depth profile

Depth profile Depth: 436.7 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 436.7 km
Deep
436.7 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Tofua Arc at 21.1°S
    Distance: 224 km ·Stratovolcano ·Elevation: -65 m ·Tonga
  • Tofua Arc at 21.3°S
    Distance: 235 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 247 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 269 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Fonuafo'ou
    Distance: 273 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Tofua
    Distance: 332 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga

Stats (last 24h)

Global (24h)
658
Country (24h)
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