Earthquake fun facts Flashcards
South Napa is shortened to SN & Haiti is shortened to H
SN details
South Napa, California
24th August 2014
Epicentre on the San Andreas fault at a depth of 11.3km
46 cm fault slip
MMS 6.0
Mercalli VIII (severe)
H details
Haiti
January 2010
Epicentre 25 cm west of Port au Prince at a depth of 13km (between the Septentrional zone and the Enriquillo Plantain zone)
Destructive plate boundary
MMS 7.0
SN primary & secondary hazards
Primary- 10-20 second duration, shaking felt up to 180 miles east
Secondary- at least 12 aftershocks, 6 major fires, soil liquefaction
H primary & secondary hazards
Primary- 60 second duration, ground shaking, ground rupture
Secondary- at least 50 aftershocks, soil liquefaction
SN primary & secondary impacts
Primary- 1 death (slightly unrelated), 200 injured, damage to infrastructure
Secondary- 144 water mains broke, wineries lost inventory, 294 streets required repairing, broken gas lines, up to $1b damage
H primary & secondary impacts
Primary- 160000 deaths, 300000 injured
Secondary- 2.3 million displaced, 280000 properties damaged, 4000 convicts escaped after the prison was destroyed, up to $8b damage (120% of their GDP)
SN responses
Emergency response, increased funding into warning systems ($80m for 5 years)
H responses
3,500 US soldiers deployed, relied heavily on foreign aid, response uncoordinated due to gov. officials deaths, better building codes to be enforced