At deep-ocean trenches, subduction allows part of the ocean floor to sink back into the mantle. The ocean floor does not just keep spreading. Instead, it sinks beneath deep underwater canyons called deep-ocean trenches. Where there are trenches, subduction takes place.
DeepOcean was created in 1999.
Trenches are most likely to occur at convergent plate boundaries, where tectonic plates collide and one is forced beneath the other in a process called subduction. This creates deep oceanic trenches, such as the Mariana Trench in the western Pacific Ocean, which is the deepest known trench on Earth.
Trench foot
oceanic trenches occur where tectonic plates collide and one is pushed underneath the other.
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They both occur along plate boundaries.
The South Sandwich Trench was formed by the process of subduction, where one tectonic plate is forced under another. In this case, the South American Plate is subducting beneath the South Sandwich Plate, creating a deep trench in the ocean floor. Subduction zones like the South Sandwich Trench are common around the Pacific Ring of Fire, where many of the Earth's earthquakes and volcanic activity occur.
A trench stretch is a long system of trench.
Java Trench
The plural of trench is trenches.
Some of the deepest earthquakes on Earth occur in subduction zones, where one tectonic plate is forced beneath another. These earthquakes can happen as deep as 700 kilometers (430 miles) below the surface. Examples of subduction zones where deep earthquakes occur include the Japan Trench and the Peru-Chile Trench.
Trench foot is caused by too much exposure to water. Trench foot can occur even after just 11 hours of damp surrounding the skin. At first the foot will seem numb, then would either turn red or blue and it would smell. If the case persists, it can even develop blisters and open sores. This will then lead to fungal infections, without proper treatment, trench foot will lead to gangrene, which will need amputation.