Disasters · Earthquake

M4.6 · Tonga

First tracked 6 August 2026 · Last updated 7 August 2026

M4.6

Magnitude

127 km

Depth

83,669

Population exposed

80 thousand in MMI III

Exposure detail

An M4.6 earthquake occurred 40 km WNW of Houma, Tonga at a depth of 127 km. The estimated population exposure was 83,669. No tsunami was generated.

Sources

Source: USGS & GDACS · figures reported · Reviewed