A magnitude 6.1 earthquake rattled buildings on Vanuatu's main island early Sunday but did not appear to have caused major damage, just days after a massive, deadly quake wreaked havoc on the Pacific archipelago.

The quake briefly prompted a tsunami alert for parts of Vanuatu, according to the U.S. Tsunami Warning System, which is part of the National Weather Service. As of 2:14 p.m. local time, U.S. officials said the threat had passed.

At least 10 buildings in Port Vila suffered significant damage, while a nearby landslide was responsible for at least six deaths, the Vanuatu government said.

A magnitude 6.2 earthquake struck the Vanuatu Islands on Sunday, the GFZ German Research Centre for Geosciences said, revising up its original figure from 6.1.

Vanuatu was hit by another earthquake, a magnitude 6.1 tremor on Sunday, just hours before the Australian government announced an additional $5m in aid. The quake, which struck near capital Port Vila,

ActionAid Australia Humanitarian Lead Carol Angir says people in Vanuatu still feel “traumatised” after a 7.3 magnitude earthquake struck the country last week.