Ammarqua Strait Ammarqua Strait Ammarqua Strait (old spelling: "Angmarqua") is a strait in the southern part of the Upernavik Archipelago in the Qaasuitsup municipality in northwestern Greenland. The strait separates Nutaarmiut Island from four large islands in the east, Uilortussoq Island and Saninngassoq Island in the north; Nako Island and Akuliaruseq Island in the south. The Eqalugaarsuit Suulluat Fjord opens into Ammarqua Strait immediately to the east of the southern cape, to the north of Kangeq Peninsula off the mainland of Greenland. At the southern mouth of the strait at the confluence with Baffin Bay are two islands: the Ineraq Island and
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