November 3, 2017 11:55 am New Details in the Boom Heard Around San Diego NBC 7 Marianne Kushi and Greg Bledsoe report on the theories that have surfaced following a mystery noise and shaking on Thursday. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks