Island lat lon Attu 52.91561 -173.17572 Nizki 52.74406 174.00124 Kiska 51.95498 177.60144 Amchitka 51.41008 -179.30663 Tanaga 51.83167 -177.8283 Adak 51.886811 -176.61734 Atka 2017 52.10569 -174.68437 Yunaska 52.65903 -170.74902 Chuginadak 52.85291 -169.89471 Umnak 52.93736 -168.92842 Unalaska 53.38962 -167.6835