In August 1915 she took part in sinking of the German raider . In September/October, the cruiser captured two naval trawlers In March 1916, "Aurora" covered the seaplane raid on Hoyer. In May 1917 the cruiser was fitted with chutes and rails for naval mines, which discharged over the stern. The ship carried 74 mines. Over the course of three mine-laying missions, the cruiser laid 212 mines. In 1917, the cruiser had her pole foremast replaced with a tripod carrying a light director and her torpedo tube armament was further augmented by a pair of tubes placed on the upper deck in front of the 6-inch gun. They were later moved ahead of the other torpedo tubes. In March 1918 "Aurora" was again reassigned, to the 7th Light Cruiser Squadron of the Grand Fleet. "Aurora" was one of the ships present at the surrender of the German High Seas Fleet in November 1918.