Volcanic Hazards

Question 1

Continents melt if they pull apart or collide

Answer 1

Felsic Magma

Question 2

Magma from the aesthenosphere erupts on the ocean floor

Answer 2

Mafic Magma

Question 3

Old ocean floor melts when it is recycled

Answer 3

Intermediate

Question 4

Where does mantle magma erupt?

Answer 4

Plate edges in the ocean
HOT SPOTS = isolated islands (Hawaii)
Where continents crack apart

Question 5

Lava lakes erupt from cracks or fissures

Answer 5

FLOOD BASALTS

Question 6

Broad Domes

Answer 6

Shield Volcanos

Question 7

Steep cones made by lava fountains

Answer 7

SPLATTER CONES

Question 8

What are some Mafic Eruption Hazards?

Answer 8

• Hot flows can burn down houses/forests

- Flood basalts have covered huge areas in the past.

Question 9

Where do melted ocean floor erupt?

Answer 9

1. ) Island Arcs

2. ) Volcanic Mountains (Andes)

Question 10

What are Island arcs?

Answer 10

Volcanic chains (Japan)
The ocean floor dives under another ocean

Question 11

What do you get from Intermediate Eruptions?

Answer 11

Stratovolcanos - Eruption style unpredictable O_O

Question 12

Eruptions range from small clouds to enormous explosions or nuee ardentes

Answer 12

Stratovolcanos

Question 13

Can ash and lava erupt at the same time?

Answer 13

NO

Question 14

What is the Final Caldera Collapse?

Answer 14

Where stratovolcanos can explode to a point of collapse

Question 15

What color are Keek’s paw pads?

Answer 15

Pink

Question 16

The volcano falls into its magma chamber, forming a huge….

Answer 16

Caldera

Question 17

What are some hazards of intermediate magma?

Answer 17

Ashfall

Lahars

Question 18

What are 3 bad things and 1 good thing about Ashfall?

Answer 18

1. ) Suffocates organisms
2. ) Collapses buildings
3. ) Blocks out sunlight
4. ) Fertilizes fields (N, K, and P)

Question 19

What are some of Jackson’s nicknames?

Answer 19

Son
Jack
Creepy
Stinky
Vlacks

Question 20

How many claws does Stewart have?

Answer 20

10

Question 21

Ash and melted snow make mud-flows

Answer 21

Lahars

Question 22

What are some of Stewarts’ nicknames?

Answer 22

Stewie
Wart
Sweaty

Question 23

Where does a melted continent erupt?

Answer 23

Where continents collide and crack apart

Hot spots under continents

Question 24

Sticky magma builds a plug that collapses as nuee ardentes

Answer 24

Lava Domes

Question 25

Giant magma chambers over hot spots are emptied by roof collapse
Many states could be ash-covered, sunlight could be blocked for years

Answer 25

Supervolcano

Question 26

Who is Julia’s Son?

Answer 26

Jackson

Question 27

What are some Felsic Eruption Hazards?

Answer 27

Nuee Ardentes

Supervolcanos

Question 28

Large cities can be wiped out in a few minutes by hot ash

Answer 28

Nuee Ardentes

Question 29

What plate boundaries make mafic magma? Where else on Earth can mafic magma be found?

Answer 29

Magma from the aesthenosphere erupts on the ocean floor

Question 30

What are the three ways that mafic magma can erupt?

Answer 30

Flood Basalts
Shield Volcanos
Splatter cones

Question 31

What plate boundaries make intermediate magma?

Answer 31

Old ocean floor melts when it is recycled

Question 32

What are the three ways intermediate magma can erupt?

Answer 32

Island Arcs
Volcanic Mountains
Final Caldera Collapse

Question 33

What plate boundaries make felsic magma? Where else on Earth can felsic magma be found?

Answer 33

Continents melt if they pull apart or collide

Question 34

What are the two ways that felsic magma can erupt? Risks?

Answer 34

Lava Domes , Supervolcanos
Risks:
Nuee Ardentes (large cities wiped out in a few minutes by hot ash)
Super Volcanos (many states could be ash-covered and sunlight could be blocked)