Volcanic Hazards

Question 1

Ash

Answer 1

-the smoke cloud normally seen from an eruption is ash
-this travels for miles and settles ash ash fall
-this can produce very fertile soil- BENEFIT

Question 2

Gas

Answer 2

-Volcanoes produce gas when they are erupting
-This includes CO2, steam and sulphur dioxide
-volcanic gases smell of rotten eggs due to the 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 a mudflow that comes from a volcano
- it can be dangerous due to its energy and speed
-it is fluid when moving, but solid when stopped

Question 5

Pyroclastic flow

Answer 5

-pyroclastic flow are floods of gas, lava and rock that rush down the volcano after an eruption
-their hot gases and high speed makes 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
-it is thick and can travel very far before solidifying
-it can be very destructive, but it is slow-moving