Volcanic Hazards Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is the smoke cloud usually seen from an eruption called

A

Ash

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How far can ash travel

A

It can travel for miles and miles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does ash settle as

A

Ashfall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What can ashfall produce

A

Very fertile soil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What can volcanoes produce when they erupt

A

Gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does the gas that is produced from a volcano have in it

A

Co2, steam and sulphur dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What do volcanic gases smell of and why

A

It smells of rotten eggs because of the sulphur that is present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What can the sulphur emissions from volcanoes cause

A

Acid rain ☔️🟢⚠️

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What can acid rain be dangerous to?

A

Can harm humans and can be dangerous to plant and animal life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is lahar (yes that is how it’s spelt I didn’t type it wrong)

A

Lahar is a mudflow that comes from a volcano.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What form is lahar?

A

It is fluid when moving but solidifies when stopped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Why can lahar be dangerous?

A

Because of its energy and speed ⚡💨

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is pyroclastic flow

A

Pyroclastic flow are floods of gas, lava and rock that rush down the volcano after an eruption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Is pyroclastic flow lethal? State ur reasons why yes/no

A

Yes‼️
Their hot gases and high speed make them lethal to anything in their path

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How is lava flow created

A

Lava flow is created by non-explosive eruption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What speed is lava flow?

A

It is slow moving

17
Q

Is lava flow destructive

A

Yes‼️

18
Q

What are the properties of lava flow

A

It consists of molten rock. It is thick and can travel very far before solidifying.