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GCSE Physical Geography > Earthquakes > Flashcards

Flashcards in Earthquakes Deck (8)
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1
Q

Why do you find earthquakes at the edge of plate boundaries

A

Because when friction occurs at plate margins, the movement then causes earthquakes to form

2
Q

Focus

A

The point at which the earthquake happens below the ground surface

3
Q

Epicentre

A

The point directly above the focus

4
Q

Planning for an earthquake

A
  1. Emergency kit/ supplies (water,food,torch,radio)
  2. Tv and radio stations - broadcasting warning signs
  3. Evacuation centres - can hold 2,000 if people need to evacuate
  4. Cross bracing protect people and building
5
Q

Predicting earthquakes

A

Seismometer - moniters earths tremors to know when to expect an earthquake

6
Q

What is a Richter scale

A

Using scientific evidence (grounds movement)

7
Q

What is a Mercalli scale

A

Based on impacts around the earthquake - could differentiate the effect on LEDCS and MECS

8
Q

Describe the distribution of earthquakes

A

Earthquakes are commonly found in on the edge of plate boundaries (pacific ring of fire)