Assertion: national park's mile | /r/HasProperty | 15 square km
Facets:
Source sentences:
text: In 1955 an eruption in the east rift, accompanied by a series of violent quakes, was one of the most destructive in the island’s history, with lava pouring from fissures over a period of 88 days, destroying more than 6 square miles (15 square km) of valuable sugarcane fields and orchards.