Yuzen_vyatr_mariana <PC Legit>

Due to its depth, exploration is challenging. Key expeditions include the 1960 dive of the Trieste and more recent, advanced submersible dives by James Cameron and others [2].

The trench is formed by a subduction zone, where the Pacific Plate is forced beneath the smaller Mariana Plate [2]. It is part of the "Ring of Fire," an area prone to intense tectonic activity [2]. yuzen_vyatr_mariana

Conditions at the bottom are extreme, with temperatures ranging from °F) and immense pressure, exceeding atmospheres (more than tons per square inch) [2]. Due to its depth, exploration is challenging