Update: Seismic activity on July 29 – 5.4 magnitude earthquake near Neiafu, Tonga registered

Published Jul 29, 2026

NEIAFU, Vava’u — A 5.4 magnitude quake occurred near Neiafu at midday on Wednesday, the U.S. Geological Survey reported.

The tremor shook the area at 00:47 UTC (12:47 local time). It occurred at a depth of 10 km with the epicenter roughly 153 km northeast of Neiafu.

Did you feel it?

Those who felt the earthquake are encouraged to report it via the USGS Felt Report form.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage.

Structure information summary

Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are unknown/miscellaneous types and wood construction.

Source: The U.S. Geological Survey