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
Makassar Strait Makassar Strait as being one of the waters of the East Indian Archipelago. The IHO defines its limits as follows: The channel between the East coast of Borneo and the West coast of Celebes <nowiki>[</nowiki>Sulawesi<nowiki>]</nowiki>, is bounded: "On the North." By a line joining Tanjong Mangkalihat, Borneo () and Stroomen Kaap (Cape Rivers), Celebes (). "On the South." By a line from the Southwestern extreme of Celebes (), through the Southern point of Tana Keke, to the Southern extreme of Laoet () thence up the West coast of that island to Tanjong Kiwi and thence across to Tanjong Petang, Borneo