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M4.5 Depth: 218.0 km

M4.5 Earthquake near 122 km WNW of Houma, Tonga

UTC time: 2026-09-03 07:46:20 UTC Local time: —

About this earthquake

On September 3, 2026 at 07:46 UTC, a magnitude M4.5 earthquake occurred near 122 km WNW of Houma, Tonga. At around 218 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

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

Details

Magnitude
M4.5
Depth
218.0 km
UTC time
2026-09-03 07:46:20 UTC
Local time
—
Country
—
Source
usgs
Coordinates
-20.78870, -176.40670
Temperature
22.2°C

Map

Depth profile

Depth profile Depth: 218 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 218 km
Intermediate
218 km
Why depth matters

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

Depth classes per USGS

Tectonic context

Located on the Australia Plate.
Near the boundary Tonga ↔ Australia · about 17 km away

Volcanoes nearby

  • Tofua Arc at 21.1°S
    Distance: 79 km ·Stratovolcano ·Elevation: -65 m ·Tonga
  • Tofua Arc at 20.9°S
    Distance: 89 km ·Stratovolcano ·Elevation: -296 m ·Last eruption: 2017 ·Tonga
  • Tofua Arc at 21.3°S
    Distance: 99 km ·Stratovolcano ·Elevation: -68 m ·Last eruption: 1932 ·Tonga
  • Hunga Tonga-Hunga Ha'apai
    Distance: 110 km ·Caldera ·Elevation: 114 m ·Last eruption: 2022 ·Tonga
  • Fonuafo'ou
    Distance: 115 km ·Stratovolcano ·Elevation: -17 m ·Last eruption: 1936 ·Tonga
  • Tofua
    Distance: 181 km ·Caldera ·Elevation: 515 m ·Last eruption: 2026 ·Tonga

Stats (last 24h)

Global (24h)
605
Country (24h)
—
—
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