By Chris Sedens

A man helps to erect scaffolding at a Circular Quay park on Sydney Harbour on September 12, 2013. Australia's jobless rate edged up to 5.8 percent in August, a level not seen since the global financial crisis, with the sluggish economy shedding 10,800 jobs as the mining investment boom unwinds. (credit: GREG WOOD/AFP/Getty Images)
(KNX 1070) — Many Southern California homes built in the early to mid 1900s won’t survive a devastating earthquake without a major retrofit. Chris Sedens reports.