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

UTC time: 2026-09-03 07:46:20 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.

Magnitude
M4.5
Depth
218.0 km
Source
USGS

122 km WNW of Houma, Tonga

Map

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

ID
b86764fe257fc53b5918487092a6dcf6d913b00b
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

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

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)
601
Country (24h)
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