e/Subsidence crater

Information
has gloss	eng: A subsidence crater is a hole or depression left on the surface of an area which has had an underground (usually nuclear) explosion. Many such craters are present at the Nevada Test Site, which is no longer in use for nuclear testing.
lexicalization	eng: subsidence crater
instance of	(noun) a faint constellation in the southern hemisphere near Hydra and Corvus Crater

Media
media:img	Subsidence crater.jpg
media:img	Subsidence craters at the nevada test site.jpg