More than 1,000 people have been killed and entire villages wiped out in Afghanistan — all from a 6.0-magnitude earthquake. CBC seismologist Johanna Wagstaffe reports on why this 'moderate' quake turned catastrophic, and how geology, building codes and remote villages combined to make the disaster so deadly. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC