Assertion: volcano's eruption | /r/CapableOf | produce wide circular crater
Facets:
value: typically
type: DEGREE
value: to one kilometre in diameter
type: OTHER
value: roughly
type: DEGREE
Source sentences:
text: Phreatomagmatic eruptions typically produce a wide roughly circular crater half to one kilometre in diameter surrounded by a low pyroclastic ring; this type of volcano is known as a maar.