A gas-gathering plant sits on the hilltop at the Southern California Gas Co.'s Aliso Canyon storage facility near the Porter Ranch neighborhood of Los Angeles on Jan. 12, 2017.
A gas-gathering plant sits on the hilltop at the Southern California Gas Co.'s Aliso Canyon storage facility near the Porter Ranch neighborhood of Los Angeles on Jan. 12, 2017. Jae C. Hong The Associated Press
A gas-gathering plant sits on the hilltop at the Southern California Gas Co.'s Aliso Canyon storage facility near the Porter Ranch neighborhood of Los Angeles on Jan. 12, 2017. Jae C. Hong The Associated Press