Volcanic Hazards

Question 1

Ash

Answer 1

The smoke cloud normally seen from an eruption is ash.
This travels for miles and settles as ash fall

Question 2

Gas

Answer 2

Volcanoes produce gas when they are erupting
Which can include , C02 , steam and sulphur dioxide
Volcanic gasses smell of rotten eggs due to sulphur that is present

Question 3

Acid rain

Answer 3

The sulphur emissions from volcanoes can cause acid rain
Acid rain can be dangerous to plant and animal life
It can also harm humans

Question 4

Lahar

Answer 4

Lahar is mud flow that comes from a volcano
It can be dangerous due to its energy and speed
It is fluid when moving but solidified when stopped

Question 5

Pyroclastic flow

Answer 5

It’s floods of gas, lava and rock that rush down the volcano after an eruption
Their hot gases and high speed make them lethal to anything in their path

Question 6

Lava flow

Answer 6

Lava flow is created by a non-explosive eruption
It consists of molten rock
Its thick and can travel very far before solidifying
It can be very destructive but it is slow moving