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NZ Extreme Earth Events L2 Science Flashcards | StudBud

Explore/NZ Extreme Earth Events L2 Science

NZ Extreme Earth Events L2 Science

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Questions 10

Answers

1
What type of volcano does andesitic lava form?
Caldera volcanoes
Stratovolcanoes
Shield volcanoes
Cone volcanoes
2
The smallest fragments thrown from a volcano are called what?
Bombs
Tephra
Lapilli
Ash
3
The Alpine fault is what type of fault?
Normal and strike-slip
Reverse and normal
Strike-slip
Strike-slip and reverse
4
At a subduction zone, crust melts due to?
friction between plates
Friction, the presence of water and the geothermal gradient
sub ducted water in the subducting oceanic plate
geothermal gradient
5
Oceanic trenches are formed at...?
all plate boundaries
at subduction zones
away from plate boundaries
in the TVZ
6
Which type of crust would most easily subduct?
Cold continental
Hot continental
Cold oceanic
Hot oceanic
7
What process can cause a Tsunamis?
Vertical fault movement
Volcanic eruptions
Landslides
All of these
8
What type of plate movement is occurring at the Hikurangi Trough?
Continental AP subducts under Oceanic PP
Continental PP subducts under continental AP
Oceanic PP Subducts under Continental AP
Oceanic AP subducts under Oceanic PP
9
All Auckland volcanoes are made from which type of magma?
Andesite
Rhyolite
Basalt
Tephra
10
Which earthquake scale is based on Human perception?
Mercalli
Richter