the most recent was mount Helena in 1980
50 volcanoes have erupted in the United States.
Volcanoes erupted leaving some what of and island which we divided into pieces and it became the united states !
Mount RAINER ANd Mt. St Helens
They are all active volcanoes. They all erupted in the 1980s.
They are all active volcanoes. They all erupted in the 1980s.
59
5
5
Volcanoes do not keep us alive. Many thousands of people have died in volcanic eruptions.
there are 40 volcanoes that are green wich means that they pose no threat to us
about 20
They're both volcanoes; one difference is that Mt. St. Helens was recently active and Yellowstone last erupted hundreds of thousands of years ago.