A good bike would be nice to have but mine doesn't go to work. However, following a major seismic event having a bike with the right tires would be a good thing and I'm not sure skinny road tires are the best option. I went with WTB Slickasaurus tires on my early 90's Cro-Moly mountain bike. Good on pavement but can handle pot-holes, curbs and other bad things much better than a pure road tire. They're not as fast though and that is the trade-off.

Edit: I may replace the Slickasaurus tires with a set of Continental Travel Contact. Slick on center line for asphalt and knobs on the edges for off-road. My bike was designed with clearance for 2+ inch knobbies so a 1.75" tire is not an issue.