According to federal officials’ preliminary findings, Amplify Energy was warned of the pipeline's potential failure more than three hours before it was shut off. LEARN MORE: Class-action lawsuit filed against energy companies following Huntington Beach oil spill: https://abcn.ws/2WQxqJ0 SUBSCRIBE to GMA's YouTube page: https://bit.ly/2Zq0dU5 VISIT GMA's homepage: https://www.goodmorningamerica.com SIGN UP to get the daily GMA Wake-Up Newsletter: https://gma.abc/2Vzcd5j #GMA #OilSpill #AmplifyEnergy #HuntingtonBeach