The Distance Between November 6, 1971 and December 18, 1971

On November 6, 1971 the United States military detonated the 5-megaton Cannikin nuclear device deep in the earth at Amchitka Island, Alaska. They were testing the effectiveness of the weapon's design as well as new tools made for measuring seismic shifts. This explosion stands as the largest in national history and many feared it would create earthquakes throughout the region. The apprehension was due to Amchitka, or Amchixtax̂, sitting on the Aleutian chain, along the tectonic trench that allows a warm current to flow from the waters proximal to Japan up to Kodiak beaches. The island, previously inhabited for thousands of years, lies approximately 1300 miles southwest of Anchorage Alaska, bordering on the United States side of the chain. Cannikin was the final of three tests on Amchitka and its detonation coincided with the passage of the Alaska Native Claims Settlement Act December 18, 1971 (43 U.S.C. 1601). The settlement proved the most considerable agreement the nation had contracted with an Indigenous group. Through the nullification of Alaska Native claims to land and water rights the public law established village and regional corporations to manage lands (parcels not transferred to state and federal holdings through the agreement) in fee-simple status. The clip below presents the Cannikin detonation on Amchitka. Watch the ground rumble and consider the shock the sea mammals felt as it relayed through the water.