Two contemporary contrasting case studies for mass movement hazards
what is the gdp per capita pp of oso (NOT the usa)
$23,700, 23,700$, 23,700 dollars, $23700, 23700$, 23700 dollars
what is the population of oso
200
what caused erosion at the base of an unstable hill
melting glacier ice
how did pore pressure/soil saturation change
increased, increase
when did the mudslide happen (day, month, year)
22/3/14
what time of day did the mudslide happen
late morning
how much land was covered (square miles)
1, 1 square mile, 1 mile squared
the food bank of a small neighbouring town increased from serving ... to ... (...-...)
500-1800, 500-1,800
how did destruction of houses and blocking of roads affect families
isolated, isolated them, separated, separated them
how many deaths were there
43
how many people were seriously injured
12
how many homes were destroyed
40
what percentage of oso's residents are people over 65 living alone
15
what percentage of oso's houses are family households
38
how much financial damage was done (USD)
60M
how much did washington state provide to residents to cover damages (USD)
50M
what did experts advise against doing
building a stabilising wall
how did the state consider incentivising people to leave the are (preparation for disaster)
offer to buy their houses
what human activity weakened the area
logging
how did people driving cars near the mudslide react (3 things)
stopped, evacuated cars, evacuated, helped eachother, helped each other
how many first responders were dispatched
100
what was done during highway reconstruction
raised highway, elevated highway, raised road, elevated road