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
- Emergency kit/ supplies (water,food,torch,radio)
- Tv and radio stations - broadcasting warning signs
- Evacuation centres - can hold 2,000 if people need to evacuate
- 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)