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
Ocean Institute largest annual fundraiser is its Laguna Beach Million Dollar Home Raffle, which began in 2005. Ocean Institute The Ocean Institute is an ocean education organization located in Dana Point, California. Founded as the Orange County Marine Institute in 1977, it offers ocean science and maritime history programs for K–12 students and their teachers. Over 100,000 students and 8,000 teachers from Orange County and the surrounding counties participate yearly in immersion-style programs in the Institute's oceanfront labs and abroad. The Institute is open to the general public on weekdays, 10 a.m. – 4 p.m., and weekends, 10 a.m. – 3 p.m.;