Assertion: flank vent | /r/CapableOf | construct new lava shield
Facets:
Source sentences:
text: The eruption then returned to Puʻu ʻŌʻō, where flank vents on the west and southwest sides of the cone constructed a new lava shield.
text: The eruption shifted back to to Pu`u `O`o in early 1992, where flank vents on the west and southwest sides of the cone constructed a new lava shield.