After A Deadly Explosion, Examining PG&E Safety Record Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Sept 12: A section of pipe (lower right) is seen near a massive crater at the scene of a gas main explosion on Sept 9 in San Bruno, California. 38 homes were destroyed and 4 people killed. ( Justin Sullivan / Getty ) Produced by Hsi-Chang Lin Produced by PRI and WNYC