40 Years After the Mount St. Helens Eruption

Why does the volcano's location continue to mystify geologists? Did you know its fiery breath carved breathtaking ice caves into the land? Four decades after Mount St. Helens roared to life in the deadliest eruption in U.S. history, we take another look at one of the country's most prominent—and infamous—peaks.

40 Years After the Mount St. Helens Eruption