Mt.St.helens
famous volcanoes
100
how many people died from Mount Saint Helens exploding
57 people
200
how much money was Mount Saint Helens damage
over ($1 billion in damages)
300
what day did Mount.St.Helens explode
May (18, 1980)
400
did Mt.St.helens produce lava
Yes, (Mount St. Helens has produced significant lava flows, especially basalt and andesite.)
400
what is one of the most dangerous volcanoes in the world?
Mount Vesuvius 
500
how did they predict Mount St Helens was exploding
seismometers