Geological Survey Glacier

Early data collected in a pioneering effort to map the inner workings of Mount St. Helens have provided promising initial insights, 35 years after a massive eruption by the Washington state volcano killed at least 57 people, scientists said on Monday.

Early data collected in a pioneering effort to map the inner workings of Mount St. Helens have provided promising initial insights, 35 years after a massive eruption by the Washington state volcano killed at least 57 people, scientists said on Monday.