Update: Earthquake measuring 6.1 slams area close to Hihifo, Tonga on April 19

Published May 3, 2026

NIUATOPUTAPU, Niuas — A 6.1 magnitude quake occurred near Hihifo on Sunday morning, according to the U.S. Geological Survey.

At 17:34 UTC (05:34 local time), a tremor slammed the region at a depth of 36 km, with its epicenter roughly 88 km north-northeast of Hihifo.

Did you feel it?

If you experienced the earthquake, you can share your observations using the USGS Felt Report form. The agency has so far received 14 reports via its online form from people who say they felt light to moderate shaking. According to the USGS DYFI report, residents in several cities — including AMERICAN SAMOA, Talimatau and Apia — reported experiencing the quake.

DYFI Image

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 vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are informal (metal, timber, GI etc.) and unknown/miscellaneous types construction.

Past week’s tremor

Another magnitude 4.8 earthquake was reported in the region on Apr. 17; it also occurred close to Hihifo.

Source: The U.S. Geological Survey