description Home Reef Overview
Home Reef is a submarine volcano in the central Tonga island group, located between Metis Shoal and Late Island. Its shallow eruptions have repeatedly deposited ash, pumice, and other volcanic material above sea level, creating islands that may later erode or disappear. An eruption reported in September 2022 produced a new island and ash plumes. Home Reef is therefore used as an example of short-lived island formation and an active volcanic process in the southwest Pacific.
help Home Reef FAQ
Where is the Home Reef volcano?
Home Reef is a submarine volcano in the central Tonga island group, lying between Metis Shoal and Late Island. It sits on the volcanically active Tonga arc in the South Pacific.
Has Home Reef built an island before?
Yes — its shallow eruptions have repeatedly deposited ash and pumice above sea level, creating temporary islands in episodes such as 1984 and 2006. Waves and erosion usually remove them again within months or years.
Did Home Reef erupt recently?
Home Reef erupted in 2022, with satellite images tracking a new small island and drifting pumice. It followed the pattern of earlier episodes like the 2006 eruption.
Was Home Reef responsible for the huge 2022 Tonga eruption?
No — the January 2022 eruption that triggered a Pacific-wide tsunami came from Hunga Tonga–Hunga Haʻapai, a different volcano in Tonga. Home Reef's eruptions are far smaller, though Tongan geological services monitor its growing islands and pumice rafts.
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