Oregon is also on a subduction zone, and we are due for a large earthquake ourselves.
According to the Japan Times,
Bicycles sold like hotcakes at supermarkets and bike shops after Friday's megaquake shut down train services in the Tokyo metropolitan area, attracting local residents — and people from farther afield — who wanted to cycle home instead of facing the prospect of walking for several hours.Having a bike, knowing how to ride and maintain it, knowing how to haul cargo with it, having large numbers of bicycles available around the city - these can be important parts of disaster readiness. Another good reason to support bicycling today.
More at Cyclicious.