Assertion: volcano's eruption | /r/HasProperty | cataclysmic
Facets:
Source sentences:
text: When even more highly gas charged magma reached Pinatubo's surface on June 15, the volcano exploded in a cataclysmic eruption that ejected more than 1 cubic mile (5 cubic kilometers) of material.
text: Volcanic eruptions may be violent, even catastrophic, or relatively mild.