Pacific Ocean width at about 5°N latitude, where it stretches approximately from Indonesia to the coast of Colombia—halfway around the world, and more than five times the diameter of the Moon. The lowest known point on Earth—the Mariana Trench—lies below sea level. Its average depth is , putting the total water volume at roughly . Due to the effects of plate tectonics, the Pacific Ocean is currently shrinking by roughly per year on three sides, roughly averaging a year. By contrast, the Atlantic Ocean is increasing in size. Along the Pacific Ocean's irregular western margins lie many seas, the largest of which
Scattered Islands in the Indian Ocean Scattered Islands in the Indian Ocean The Scattered Islands in the Indian Ocean ( or "Îles Éparses de l'océan Indien") consist of four small coral islands, an atoll, and a reef in the Indian Ocean, and have constituted the 5th district of the French Southern and Antarctic Lands (TAAF) since February 2007. They have never had a permanent population. Two of the islands—Juan de Nova and Europa—and the Bassas da India atoll lie in the Mozambique Channel west of Madagascar, while a third island, Tromelin, lies about east of Madagascar and the Glorioso Islands lies about northwest of Madagascar. Also