Week1 ISNS 2359
Popular in Earthquakes and Volcanoes
Popular in Behavioral Sciences
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This 4 page Class Notes was uploaded by Emily Montana on Sunday September 6, 2015. The Class Notes belongs to ISNS 2359 at University of Texas at Dallas taught by Prabin Shilpakar in Fall 2015. Since its upload, it has received 60 views. For similar materials see Earthquakes and Volcanoes in Behavioral Sciences at University of Texas at Dallas.
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Date Created: 09/06/15
Earthquakes and Volcanoes Ch 1 9615 902 PM Great Natural Disasters Events that overwhelmed regions so much that international assistance is needed to rescuecare for people clean up destruction begin reconstruction As global human population 3 number of deaths by natural disasters should 3 Natural hazards determined as the probability of a dangerous event occurring Mitigation Plansactions made to eliminatereduce future death amp destruction when natural hazards become great threats may be engineering physical social or political Popocatepetl Popo volcano Mexico Name means smoking mountain it mainly has minor eruptions but also occasional huge eruptions Magnitudes of Earth s energy fueled events vary size of natural disaster Generally an inverse correlation between the frequency amp magnitude of an event 0 Frequent occurences are low in magnitude Return period recurrence interval is the of years between samesized events Human population grows exponentially o The rise of population 8000 yrs ago when agriculture was established and many animas were domesticated Present rate of world population growth 12 Demographic transitions change from high deathbirth rates to low deathbirth rates mostly for moredeveloped countries Decrease in fertility due mostly to urbanization amp increased opportunity for women Population explosion continues last 50 yrs of 20th century population grew to 6 billion increased by 35 billion Last 500 yrs earthquakes killed 5 million Pandemics deadly diseases that have swept throughout the world amp kill millions Bubonic Plague 9615 902 PM 9615 902 PM