“Supercities” Vulnerable to Killer Quakes, Expert Warns

Unless protective measures are taken, once every century or so when the Earth trembles in a violent release of pent up tension, buildings will tumble, streets will buckle, and pipelines will snap, leaving upwards of a million people crushed beneath the debris.

That is the conclusion of Roger Bilham, a geological scientist at the University of Colorado at Boulder who studied the potential impact of earthquakes on the world’s rapidly expanding urban populations in the 21st century.