Dead Sea hypothesis is that the Dead Sea lies in a true rift zone, an extension of the Red Sea Rift, or even of the Great Rift Valley of eastern Africa. A more recent hypothesis is that the Dead Sea basin is a consequence of a "step-over" discontinuity along the Dead Sea Transform, creating an extension of the crust with consequent subsidence. Around 3.7 million years ago, what is now the valley of the Jordan River, Dead Sea, and the northern Wadi Arabah was repeatedly inundated by waters from the Mediterranean Sea. The waters formed in a narrow, crooked bay that is
Dead Sea Bible uses this term alongside two others: the Sea of the Arabah (' ), and the Eastern Sea ("" ). The designation "Dead Sea" never appears in the Bible. In prose sometimes the term ' (, "sea of death") is used, due to the scarcity of aquatic life there. In Arabic the Dead Sea is called ("the Dead Sea"), or less commonly ' (, "the Sea of Lot"). Another historic name in Arabic was the "Sea of Zoʼar", after a nearby town in biblical times. The Greeks called it "Lake Asphaltites" (Attic Greek , "", "the Asphaltite sea"). The Dead