The population decreases as they will be afraid that another eruption may ocur. The population may also decrease because of the ammout of deaths caused.
people die
magma flows up to form the eruption
eruption
jsksk
Storms
during and explosive eruption hot ash is thrown in the air. Leaving trails of smoke.
The are a smalls earthquake..
blast
Its sends lava downsloping
They will probably die
lava
Evolution occurs at the population level, where selection happens to populations rather than individuals.