|Banua Wuhu submarine volcano rises more than 400 m from the sea floor in the Sangihe Islands of Indonesia. Historical records show that several ephemeral islands are formed and disappeared. A 90 m high island was formed in 1835, but then dwindled to only a few rocks in 1848. Another new island was formed in 1919 but then disappeared by 1935 .
Mount Banua Wuhu is in the southwest of Mahengetang Island which has an area of approximately 1 km2, the population living on the island is not necessarily, but only the fishermen and the manager of the coconut plantation. The inhabitants only have a somewhat flat area, even the old crater that is contested as a residential area.
Kemmerling (May 1921) said that Mahengetang Island in the east is a small village with a population of 200 souls that can be moved at any time to another place, but after 81 years in the village which is now a more densely populated village there are population data that can be made as a reference …