1.17 San Andreas Flashcards
what two plates involved
pacific and north american plate
how many people died in the great quake of 1906
3000
what caused the san andreas fault
plates moving in opposite directions up/down
high tech monitoring in california
NASA upgrades GPS stations
sensors quickly tag buildings as safe or dangerous
sensors collect GPS, temp and seismic data in real time and build computer model through EQ
prediction
shakealert is an early warning messaging system that sends text messages
how much money was spent on drills and training exercises
$3.3m
why is the mayor no longer in charge of making eq decisions
agencies are in charge which means time isn’t wasted relaying messages
what else is used to send alerts about emergencies
alertSF and twitter
how many nu retrofits have there been and give examples
180
critical pump stations, transmission mains, fire stations
what do california utilities emergency association do
look for interdependencies between energy and utility systems (eg electricity and water) to bring them back on line ASAP
why are richer counties less vulnerable to hazards
better transport links
wealthier
low population density
