1. One died one minute sooner than the other but both were ten miles apart - how?

2. Mt St Helens – North America North American Plate Juan de Fuca plate

3. Before May 1980

4. The Start Notice how the whole side of the mountain is Blown out by a huge explosion sending out A massive pyroclastic flow

5. After

6. The effects

11. Now New visitor centre 1986 Lava dome still growing

12. You don’t have to come to a volcano, the volcano will come to you