Geology of the Pacific Ocean Geology of the Pacific Ocean The Pacific Ocean evolved in the Mesozoic from the Panthalassic Ocean, which had formed when Rodinia rifted apart around 750 Ma. The first ocean floor which is part of the current Pacific Plate began 160 Ma to the west of the central Pacific and subsequently developed into the largest oceanic plate on Earth. The tectonic plates continue to move today. The slowest spreading ridge is the Gakkel Ridge on the Arctic Ocean floor, which spreads at less than , while the fastest, the East Pacific Rise near Easter Island, has a spreading rate of over
HNoMS Fridtjof Nansen (F310) with two ultra-fast RHIBs as a replacement. In November 2009 she became involved in a fire-fight with suspected pirates after being attacked while inspecting a fishing vessel. In 2014, "Fridtjof Nansen" took part in the naval exercise RIMPAC 2014 in the Pacific Ocean. During the exercise, she used a Naval Strike Missile to sink the , a decommissioned U.S. Navy amphibious transport dock, as a target 55 nautical miles northwest of Hawaii on 10 July 2014. HNoMS Fridtjof Nansen (F310) HNoMS "Fridtjof Nansen" is a frigate of the Royal Norwegian Navy. Launched on 5 April 2006, she is the lead