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News: A submarine volcanic eruption began on 8 May along the Titan Ridge in the Bismarck Sea, highlighting poor mapping of Earth’s deep ocean floor.
About Bismarck Sea
- Location: The Bismarck Sea lies in the southwestern Pacific Ocean near the northeast coast of Papua New Guinea.
- Nomenclature: It was named after the German statesman Otto von Bismarck.
- Area: It covers about 40,000 sq. km.
- Boundaries: It is bounded to the southwest by the northeast coast of Papua New Guinea and from the northwest to southeast by the Bismarck Archipelago.
- Bismarck Archipelago: It includes the Admiralty Islands (north), New Ireland (east), and New Britain (southeast).
- Linkages: The sea opens to the Pacific Ocean in the north and connects to the Solomon Sea through the Vitiaz and Dampier straits and St. George’s Channel.
- Depth: The basin has a depth of about 2,000 m to 2,500 m.
- Basin Division: A central ridge divides the basin into the eastern New Ireland section and the western New Guinea section.
- Tectonic Activity: The Bismarck Sea lies in a geologically complex zone with faults, volcanic ridges, rifts, active subduction zones, and spreading zones at great depths.
- Mineral Richness: Such active tectonic and volcanic processes make the region important for deep-sea mineral richness.
- Historical Importance: During World War II, the sea witnessed major naval battles, including the 1943 Battle of the Bismarck Sea, where Allied forces stopped a Japanese convoy.
