About: http://webisa.webdatacommons.org/277723890

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Beneath the surface is a magma chamber that is about forty-five miles across--roughly the same dimensions as the park--and about eight miles thick at its thickest point.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org