Nemrut (volcano) of the earliest trade routes. Two eruptions of Nemrut were probably witnessed by people of Urartu, an ancient state located in the eastern Turkey. These eruptions occurred c. 787 BC (period of King Menua) and c. 657 BC (period of King Rusa II), and the latter eruption might cause the sudden disappearance of the city Uaiais located 30 km east of Süphan. In the 1980s, Japanese volcanologists studied the evolution of gases inside the caldera of Nemrut. They found that the ratio of helium isotopes He/He is 1.06, which indicates volcanic activity (most of the measured helium evolved from the
Mount Nemrut seated, with names of each god inscribed on them. The heads of the statues have at some stage been removed from their bodies, and they are now scattered throughout the site. The pattern of damage to the heads (notably to noses) suggests that they were deliberately damaged as a result of iconoclasm. The statues have not been restored to their original positions. The site also preserves stone slabs with bas-relief figures that are thought to have formed a large frieze. These slabs display the ancestors of Antiochus, who included Armenians, Greeks and Persians. The same statues and ancestors found throughout