Earthquakes Flashcards

1
Q

Where do DIVERGENT boundaries occur?

A

In regions where the oceanic lithosphere is thinner than the continental lithosphere.

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2
Q

What kind of earthquakes are at DIVERGENT boundaries?

A

Fairly shallow kinds of earthquakes.

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3
Q

What are the foci of earthquakes at DIVERGENT boundaries?

A

30km

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4
Q

Why are the earthquakes at DIVERGENT boundaries shallow?

A

the crust is not very thick

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5
Q

When CONVERGENT boundaries come together we get:

A

1) Fold mountains e.g. continental-continental plate, The Himalayas.

2) Subduction Zones (this is when oceanic crust is going under other oceanic crust or under continental crust).

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6
Q

What are the foci of earthquakes at CONVERGENT boundaries?

A

670km.

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6
Q

What types of impact do individuals reacher at CONVERGENT earthquakes?

A

Due to the larger magnitude, there is a higher increase in devastation for human life.

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