4. how much time passed between the earthquake just before the eruption and the eruption itself? 5. how high did the initial blast reach? 6. how far away were trees blown down? 7. what was the result of the heat from the blast melting the glaciers on the mountain? 8. how hot and how fast were the mudslides produced by the eruption? 9. what were the biggest obstacles to the rescue operations after the eruption?
