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 Miyako Strait The , also known as the Kerama Gap, is a waterway which lies between Miyako Island and Okinawa Island consisting of an approx. 250km wide passageway with international waters and airspace. It is the widest strait in the Ryukyu Islands. The Miyako Strait is of global geopolitical significance, as it is one of the few international waterways for China's People's Liberation Army Navy to access the Pacific Ocean from the East China Sea. Japan insists that China has committed to informing them in advance if their Navy sails through the strait, a claim that the Chinese deny has