California Multi Hazard Zone Flashcards
1
Q
What hazards occur within the zone?
A
Earthquakes, droughts, Landslides
2
Q
Why is California so vulnerable to tectonic hazards?
A
- More than 70% of California’s population live within 50km of a fault line
- Lots of buildings are built on unstable land so they are at risk of liquefaction or landslides
- 20% of population live bellow the poverty line and have a low capacity to cope
- High economic loss
3
Q
What have they done to modify and help protect themselves?
A
- Strict Building regulations
- warning systems (MyShake)
- Schools have frequent drills
4
Q
What was the magnitude of the 1989 San Francisco Earth quake?
A
7.1 on the Richter scale.
5
Q
What plate boundary is the San Andreas Fault?
A
Conservative (transform)
6
Q
How many people died?
A
63
7
Q
How many people injured?
A
14,000
8
Q
How many people were left homeless?
A
12,000
9
Q
How many homes were damaged by the quakes?
A
24,000
10
Q
What was the estimated damage cost?
A
$6 Bilion
11
Q
How many Businesses were damaged?
A
4,000
12
Q
When was the Drought?
A
2007-2009
13
Q
What was irrigation reduced by?
A
90%
14
Q
what was the total economic loss of 2009?
A
$700 million
15
Q
A
