English Niuatahi Cited by user Reego41 on 02 Feb 2023 Niuatahi or also called Volcano O is a submarine volcano located in the far northern territory of Tonga.
English West Mata Cited by user Reego41 on 26 Jan 2023 West Mata is an active submarine volcano located in the northeastern Lau Basin, roughly 200 km southwest of the Samoan Islands.