Two contemporary contrasting case studies for earthquake hazards
state the magnitude of the japan 2022 earthquake
7.8
What was the plate boundary?
Destructive subduction
How deep was the focus?
60km
What was the GDP per capita?
$40,113
How far was it from the population?
50km from coast
what was the date of the earthquake (day, month, and year)
16/3/2022
was the earthquake in the day or at night
night
What were the secondary hazards?
tsunami and aftershocks
how many doctors per 1000 are there
2.5
why were people well-prepared for the earthquake (2 things)
earthquake drills in schools, regular exposure to small earthquakes
what was the average age of the population
48
What was the population density
130 people per km^2
What was the planning with military response?
Police directed traffic amid the power cuts
what areas of japan are geographically isolated
small islands
list primary impacts (3)
500 closed schools, power cuts in the east, collapse of a shrine and few buildings
What were the protections using technology?
many advanced seismographs provide constant information and warnings
list evacuation efforts (2)
7 evacuation shelters created in ishinomaki, 1961 evacuated in watari
state building codes making earthquakes safer (2)
rubber bearings in foundations allows flexibility of buildings, lifts shut automatically
outline the warning systems
Japanese meterorological agency immediately alerts people. warnings given 10 seconds after earthquake detected
Environmental impacts (3)
cancelled bullet trains leading to more cross-country flights, cracks in roads, sinkhole