Tectonics- EQ2 Flashcards
Why do some tectonic hazards become disasters? (6 cards)
Definitions of a natural disaster must include:
10 or more people killed
100 or more people reported affected
Declaration of a state of emergency
Call for international aid
3 Ways magnitude & intensity of tectonic disasters are measured?
Mercalli scale (EQ’s, what people feel)
Moment magnitude scale (EQ’s, seismic moment)
Volcanic Explosivity Index (VEI)
PAR Model (Pressure & Release) looks at?
Root causes
Dynamic pressures
Unsafe conditions
5 Things the PAR model root causes include?
Limited access to power
Resources
Poor buildings
Corruption
Weak Economic System
6 Things the PAR model dynamic pressures include?
Lack of training
Lack of investment
Press freedom
Rapid population change
Rapid urbanisation
Deforestation
4 Things the PAR model unsafe conditions include?
Physical environment
Local economy
Social relations
Public actions