From Paper 1
1(a)4 marks
Figure 1 shows data for two volcanic eruptions.
Suggest two reasons for the difference in deaths.
| Eruption | VEI | Deaths |
|---|---|---|
| Mount St Helens, USA (1980) | 5 | 57 |
| Nevado del Ruiz, Colombia (1985) | 3 | about 23 000 |