Update: Seismic activity on Sept. 29 – 5.4 magnitude earthquake close to Pangai, Tonga reported

Published Sep 29, 2026

A 5.4 magnitude quake hit near Pangai around midnight Tuesday, according to the U.S. Geological Survey.

The tremor jolted the area at 12:40 UTC (00:40 local time). It occurred at a depth of 10 km with the epicenter approximately 99 km south-southeast of Pangai.

Did you feel it?

You can let the USGS know if you experienced the earthquake by filling out their 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