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
Săsar River Săsar, locally known as the "dead river," is unsuitable for bathing, washing, or fishing. The World Health Organization has identified the Baia Mare region as a "health risk hotspot." The Săsar River flows into the Lăpuș River, which in turn flows into the Someș River, a tributary of the Danube. Pollution in the Săsar thus eventually reaches Romania, Hungary, Serbia, and Bulgaria. The following rivers are tributaries to the river Săsar: Săsar River The Săsar River () is a right tributary of the river Lăpuș in Maramureș County, Romania. It discharges into the Lăpuș in Lăpușel, southwest of Baia Mare.