The Russian Northern Fleet's hydrographic expedition aboard the Senezh research vessel has made several geographical discoveries on the Novaya Zemlya Archipelago. These include an unknown islet on a hitherto hidden ice sheet, the TASS news agency reported.

"The new island will be named Senezh," the agency said, citing the Northern Fleet's press service.

There are several unknown capes among the expedition's findings. Researchers also obtained more precise coordinates of the earlier discovered Rozhkov Island and Cape Krugosvetka.

The expedition set sail on August 18, 2015, and lasted 41 days, during which a complex of oceanic studies and bottom relief surveys were performed and research carried out to refine the coordinates determining the geographical location of the initial lines used to calculate the width of Russia's territorial waters, exclusive economic zone and continental shelf in the Arctic Ocean.