Baffin Bay earthquakes of magnitude 6 have occurred here since 1933. The latest strong earthquake occurred on 15 April 2010 and had the magnitude of 5.1. Baffin Bay is an arm of the Atlantic Ocean bounded by the Baffin Island in the west, Greenland in the east, and Ellesmere Island in the north. It connects to the Atlantic through the Davis Strait, and to the Arctic through several narrow channels of Nares Strait. It is a northwestern extension of the North Atlantic and Labrador Sea. It can also be viewed as a long strait separating Baffin Island and Greenland. The bay is
Miyako Strait ever been agreed upon. The PLA Navy used the strait on a large scale for the first time in April 2010, an act which has since become a commonplace practice for them to conduct military exercises in the Pacific. The Miyako Strait represents a cultural and linguistic split between the Southern and Northern Ryukyuan languages, with the north being more influenced by Japanese culture. The Northern Ryukyu Islands have historically been more advanced (socially, technologically, and infrastructurally) than the Southern Ryukyu Islands. Miyako Strait The , also known as the Kerama Gap, is a waterway which lies between Miyako Island