International Shake-Out:13 Million US Residents Brace For Major Earthquake Event on October 21

The International Shake-Out is set for October 21 - Thursday - at 10:21 a.m. local time, and residents in America are preparing for it. During The Great ShakeOut, the world's largest earthquake drill, millions of people "Drop, Cover, and Hold On." People are invited to participate in the drill regardless of where they live, work, or travel because big earthquakes can strike anywhere.