Assertion: volcano's eruption | /r/CapableOf | create large caldera
Facets:
value: at the mountain's summit
type: LOCATION
value: across a half-mile
type: LOCATION
Source sentences:
text: The eruption also created a large caldera nearly 3 miles (4.5 km) across and a half-mile (nearly 1 km) deep at the mountain's summit.