Explosion craters

lake in Kazakhstan

1962 U.S. nuclear test

mostly funnel-shaped deepening formed by an explosive event through the displacement and ejection of material from the ground

thumb|Enewetak Atoll, before Mike shot. Note island of Elugelab on left. thumb|Enewetak Atoll, after Mike shot. Note crater on left. Elugelab, or Elugelap (, ), was an island, part of the Enewetak Atoll in the Marshall Islands. It was destroyed in the world's first full-scale thermonuclear explosion, the Mike shot of Operation Ivy, on November 1, 1952. Prior to being destroyed, the island was described as "just another small naked island of the atoll".