Community Vision Statement. âThe City of Miamisburg is a progressive and in-. novative community that seeks to promote meaningful. citizen involvement in shaping the Cityâs future, while. preserving the best of the Cityâs vibrant history.â.
The deepest point of the Mariana Trench is called The Challenger Deep , so named after the British exploration vessel HMS Challenger II, and it is located 210 miles south-west of Guam. This depth was reached in 1960 by the Trieste, a manned submersible owned by the U.S. Navy.
Deep ocean trenches are associated with subduction zones where an  ocean plate descends into the asthenosphere. The Ocean plate is  heavier than a Continental plate which ca â¦ uses the Ocean plate to  slide beneath the Continental plate. As the Ocean plate descends, a  deep ocean trench is formed. Answered.