Ezekiel 38:12
11 You will say, “I will invade a land of unwalled towns; I will advance against those living quietly in security—all of them living without walls and barred gates— 12 to loot and plunder, to attack the inhabited ruins and the people gathered from the nations, who are acquiring cattle and goods, who live at the navel of the earth.” 13 Sheba and Dedan and the traders of Tarshish with all its young warriors will say to you, “Have you come to loot? Have you assembled your armies to plunder, to carry away silver and gold, to take away cattle and goods, to haul away a great amount of spoils?”’
1 Enoch 26:1
1 And I went from there to the middle of the earth, and I saw a blessed place where trees with branches were abiding and blooming [from a dismembered tree]. 2 And there I saw a holy mountain, and beneath the mountain to the east there was a stream that flowed towards the south. 3 And I saw towards the east another mountain higher than this, and between them a deep and narrow ravine: in it also a stream ran beneath the mountain.
Jubilees 8:12
11 When he summoned his children, they came to him — they and their children. He divided the earth into the lots which his three sons would occupy. They reached out their hands and took the book from the bosom of their father Noah. 12 In the book there emerged as Shem's lot the center of the earth which he would occupy as an inheritance for him and for his children throughout the history of eternity: from the middle of the mountain range of Rafa, from the source of the water from the Tina River. His share goes toward the west through the middle of this river. One then goes until one reaches the water of the deeps from which this river emerges. This river emerges and pours its waters into the Me'at Sea. This river goes as far as the Great Sea. Everything to the north belongs to Japheth, while everything to the south belongs to Shem.
Notes and References
"... In the redivision, Shem’s lot - he is the good son - was assigned the center of the earth: this matches Ezekiel’s notion of the land of Israel as the Earth's “navel” (Ezekiel 38:12), compare 1 Enoch 26:1 ..."
Kugel, James L. A Walk through Jubilees: Studies in the Book of Jubilees and the World of Its Creation (p. 78) Brill, 2012
"... During the centuries from the Exile in Babylon in the sixth century BCE to the first century CE, Jews lauded the Holy City and declared Jerusalem to be the center of the earth. Such claims and perceptions loom prominently in Ezekiel 38:12, 1 Enoch 26:1, and Jubilees 8:19. They evolve from earlier poetic visions, notably Psalm 87 ..."
Charlesworth, James H. "Devotion to and Worship in Jerusalem’s Temple" in Charlesworth, James H. (ed.) Jesus and Temple: Textual and Archaeological Explorations (pp. 1-17) Fortress Press, 2014