Tectonics- EQ2 Flashcards

Why do some tectonic hazards become disasters? (6 cards)

1
Q

Definitions of a natural disaster must include:

A

10 or more people killed
100 or more people reported affected
Declaration of a state of emergency
Call for international aid

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2
Q

3 Ways magnitude & intensity of tectonic disasters are measured?

A

Mercalli scale (EQ’s, what people feel)
Moment magnitude scale (EQ’s, seismic moment)
Volcanic Explosivity Index (VEI)

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3
Q

PAR Model (Pressure & Release) looks at?

A

Root causes
Dynamic pressures
Unsafe conditions

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4
Q

5 Things the PAR model root causes include?

A

Limited access to power
Resources
Poor buildings
Corruption
Weak Economic System

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5
Q

6 Things the PAR model dynamic pressures include?

A

Lack of training
Lack of investment
Press freedom
Rapid population change
Rapid urbanisation
Deforestation

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6
Q

4 Things the PAR model unsafe conditions include?

A

Physical environment
Local economy
Social relations
Public actions

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