Question: The 1980 eruption of Mount St. Helens is surpased by a volcano that was formed in 1912 located where?
Sentence (from "Novarupta"): Formed during the largest volcanic eruption of the 20th century, Novarupta released 30 times the volume of magma of the 1980 eruption of Mount St. Helens.
Relevant evidence: No