Metis Shoal is a shoal at the top of a submarine volcano, located between the islands of Kao and Late in Tonga. A shoal or sandbar (also called sandbank) is a somewhat Linear Landform within or extending into a body of Water, Submarine volcanoes are underwater fissures in the earth's surface from which magma can erupt Kao is an Island and Stratovolcano in Tonga. It reaches Above sea level, the highest point in Tonga Late Island is an uninhabited volcanic Island southwest of Vava{{okina}}u in the kingdom of Tonga. The Kingdom of Tonga is an Archipelago in the south Pacific Ocean comprising 169 islands 36 of them inhabited stretching over a distance of about 800 kilometres (500 miles When the volcano erupted in 1995 a 43 metre high island formed, composed of a solid lava dome above the surface. In Volcanology, a lava dome or plug dome is a roughly circular Mound -shaped protrusion resulting from the slow eruption of Felsic Lava It had been washed away soon after.
On 7 December 2006 the Royal New Zealand Air Force (RNZAF) flew over Metis Shoal and Home Reef at the request of volcanologists from the Institute of Geological & Nuclear sciences (IGNS) to take photos of these. Home Reef is an Ephemeral Island built by a Submarine volcano whose top has repeatedly breached the surface and was subsequently eroded by wave action
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