Assertion: caldera | /r/HasProperty | created in massive volcanic eruption
Facets:
Source sentences:
text: The caldera was created in a massive volcanic eruption between 6,000 and 8,000 years ago that led to the subsidence of Mount Mazama.
text: The caldera was created in a massive volcanic eruption between 6,000 and 8,000 years ago that led to the subsidence of Mount Mazama.
text: The caldera was created in a massive volcanic eruption.