2004 Indian Ocean earthquake and tsunami and a network of sensors is needed to detect it. Setting up the communications infrastructure to issue timely warnings is an even bigger problem, particularly in a relatively impoverished part of the world. Tsunamis are more frequent in the Pacific Ocean than in other oceans because of earthquakes in the "Ring of Fire". Although the extreme western edge of the Ring of Fire extends into the Indian Ocean (the point where the earthquake struck), no warning system exists in that ocean. Tsunamis there are relatively rare despite earthquakes being relatively frequent in Indonesia. The last major tsunami was caused by
Theseus Ring Minos threw a ring overboard and challenged Theseus to dive in and retrieve it. The fishes of the sea then took Theseus upon their backs and conveyed him to the palace of Amphitrite, Poseidon's wife. She handed Theseus the ring that had landed at the bottom of the ocean floor and also gave him a jeweled crown, which was later placed among the stars. Theseus Ring The Theseus Ring is a gold signet ring that dates back to the 15th-century BC, in the Mycenaean period, though the subject is typical of Minoan art. The ring is gold and measures 2.7