1.7 Hawaii Flashcards
When did the Hawaii earthquake happen?
Early may 2018
What was the magnitude of the earthquake
6.0
How many people were evacuated?
2000
How much economic damage?
$800million
What is land use zoning?
This is when you choose what areas to keep away from active and dormant volcano. For example residential and commercial zones
What were the hazard resistant designs?
Retrofit buildings
Cross braving
But it’s expensive and requires government legislation
What engineering defences were there
Sea walls and mangroves to absorb wave energy
Back up utility plans for hospitals and police stations
Drain craters to prevent lahars
Diversion of lava flows?
Spray sea water to so,idiot the lava and create basalt rock to diverse lava flow
Should we invest in modifying hazard systems?
More accurate warning systems
GIS system
Modern seismic warnings
Technology/ science can aid accurate predictions