Assertion: caldera | /r/HasProperty | filled with water
Facets:
value: to form crater lake
type: TRANSITIVE-OBJECT
Source sentences:
text: The Bishop tuff is thousands of feet thick and is cut by the Owens River Gorge, formed during the Pleistocene when the caldera filled with water and overtopped its rim.
text: After the collapse of the summit of the volcano, the caldera filled with water to form Crater Lake