Chapter 5 Earthquakes Earth's Crust in Motion Measuring Earthquakes Earthquake Hazards.
Natural Hazards -...
Transcript of Natural Hazards -...
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Department Name
00 Month 2010
Natural Hazards
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Types of Natural Hazard:
Bushfire
Earthquake
Flood
Landslide
Storm / Weather
Tsunami
Volcanic eruption
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Earthquake
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Earthquake
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Earthquake
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Earthquake
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Earthquake
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Earthquakes in Australia
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Earthquakes in Australia
Location Year Magnitude
Meeberrie WA 1941 7.2
Adelaide 1954 5.5
Newcastle 1989 5.6
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Earthquakes in Australia
Location Year Magnitude
Meeberrie WA 1941 7.2
Adelaide 1954 5.5
Newcastle 1989 5.6
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Earthquakes in Australia
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Earthquakes in Australia
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Earthquakes in Australia
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Construction for Earthquakes
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Tsunami
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Presentation Title | 00 Month 2010 | Slide 29
Tsunami
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Tsunami
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Volcanic Eruption
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Volcanic Eruption
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Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 38
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 39
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 40
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 41
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 42
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 43
Volcanic Eruption
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Presentation Title | 00 Month 2010 | Slide 44
Volcanic Eruption
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Natural Context of Fire
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Presentation Title | 00 Month 2010 | Slide 46
Natural Context of Fire
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Actual fire distribution
Based on 10 years of
satellite
data
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Cultural Context of Fire
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Presentation Title | 00 Month 2010 | Slide 49
Cultural Context of Fire
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Cultural Context of Fire
Prior to 1788 fire was not a hazard:
The secret of fire in our
traditional knowledge is that
it is a thing that brings the
land alive again. So we do
not necessarily see fire as
bad and destructive...But it
is not a thing to play with
unless people understand
the nature of fire.
Dean Yibarbuk and Peter Cooke, Savanna Burning—Understanding and
Using Fire in Northern Australia , Tropical Savannas CRC, 2001
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Political Context …
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Political Context …
0
50
100
150
200
250
300
350
400
450
500
Number of Canberra Houses Destroyed by Bushfire per Year
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Fire management by
RESPONSE
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Floods
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Floods
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Floods
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Cost of disasters in Australia
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Cost of disasters in Australia
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Cost of disasters in Australia
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Presentation Title | 00 Month 2010 | Slide 60
Cost of disasters in Australia
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Presentation Title | 00 Month 2010 | Slide 61
Cost of disasters in Australia
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Presentation Title | 00 Month 2010 | Slide 62
Expenditure on disasters in Australia …
• Anti-terror expenditure from 2001 to 2011 >$21 Billion
(ASPI)
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Presentation Title | 00 Month 2010 | Slide 63
Expenditure on disasters in Australia
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Presentation Title | 00 Month 2010 | Slide 64
Disaster Decision Making
• Research in the last 15 –
20 years indicates that
there is almost universal
failure to make good
decisions in the face of
infrequent natural
hazards. This is largely
due to hard-wired
elements of human
cognition...
Cognitive bias
• Kahneman, D 2011
“Thinking, fast and Slow
• Framing
• Availability heuristic
• Unreasonable Optimism
• Outcome expectancy
• Shifting blame /
responsibility
• Persistent failure to grasp
probability
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Presentation Title | 00 Month 2010 | Slide 65
Conclusions:
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Presentation Title | 00 Month 2010 | Slide 66
Conclusions: