April is earthquake preparedness month. Are you ready?! The biggest cause of injury in earthquakes often isn’t collapsing walls or a failing understructure, but flying glass from shattering windows. An earthquake can shatter windows and send jagged,high-velocity shards of glass flying several feet. Since most homes have at least one window in every room, an earthquake can put people in every part of the house in danger of serious injury within the first few seconds…