Tongan's have been told to protect water tanks from acid rain, as a volcanic eruption continues.
The plume from Hunga Tonga-Hunga Ha'apai can be seen across most of the pacific kingdom.
RNZ Pacific's Lydia Lewis has been speaking with residents.
A 2009 aerial photo of ash rising into the air from an undersea volcanic eruption that formed the world's youngest island. Photo: AFP / Telusa Fotu / Matangi Tonga