How Big Is The Lava Dome In Mt St Helens?
Lava domes erupted in the crater in June and August, but were mostly destroyed by subsequent explosive episodes. Beginning in October 1980, episodic eruptions built a new lava dome that reached nearly 305 m (1000 ft) above the crater floor. Is Mt St Helens lava dome still growing? The dome isn’t actually growing, but there’s …