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M4.4 Earthquake near 251 km WNW of Houma, Tonga

UTC time: 2025-08-29 03:01:12 UTC Local time: —
Magnitude
M4.4
Depth
485.4 km
Source
USGS

251 km WNW of Houma, Tonga

Map

About this earthquake

On August 29, 2025 at 03:01 UTC, a magnitude M4.4 earthquake occurred near 251 km WNW of Houma, Tonga. At roughly 485 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

ID
b307da2bd45c9bcf89df9ee4097f1ead893f1371
Magnitude
M4.4
Depth
485.4 km
UTC time
2025-08-29 03:01:12 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-20.40720, -177.58250
Temperature
23.5°C

Depth profile

Depth profile Depth: 485.4 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 485.4 km
Deep
485.4 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: 208 km ·Stratovolcano ·Elevation: -65 m ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 217 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Fonuafo'ou
    Distance: 226 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Tofua Arc at 21.3°S
    Distance: 226 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 230 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Tofua
    Distance: 272 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·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

Stats (last 24h)

Global (24h)
584
Country (24h)
—
—
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