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Where do ocean trenches occur?
At spreading centers.
What are the valleys under the ocean called?
They are called trenches.
What events occur when the tectonic plates move and grind against each other?
When tectonic plates move and grind against each other, this is an earthquake. If the moving of tectonic plates were to occur beneath the ocean's surface, the result would be a tsunami.
What two different types of convergent boundaries occur?
Oceanic-continental convergent boundaries occur when oceanic plates subduct beneath continental plates, creating deep ocean trenches and volcanic arcs. Oceanic-oceanic convergent boundaries occur when two oceanic plates collide, leading to one plate subducting beneath the other and forming volcanic island arcs.
Name two landforms that are created when plates collide?
Mountains and deep ocean trenches are two landforms that are created when tectonic plates collide. Mountains are formed when two continental plates collide and push against each other, while deep ocean trenches occur when one oceanic plate subducts beneath another.
Do trenches occur where plates are moving apart?
Trenches form where plates are moving towards each other in a convergent plate boundary, not where they are moving apart. At divergent boundaries, such as mid-ocean ridges, plates are moving apart, creating new crust.
What are deep ocean trenches caused by?
Plate tectonics, the moving and repositioning of earths plates.
Why does an ocean trench occur?
oceanic trenches occur where tectonic plates collide and one is pushed underneath the other.
Why are most oceanic trenches found in the pacific ocean?
The Pacific Ocean is part of the Ring of Fire. The ring of fire is underwater trenches made my moving plates. The plates pushed on each other and eventually moved downward, creating trenches
Explain what plate tectonics and ocean trenches have in common?
Ocean trenches and volcanoes both occur where continental plates collide, or meet. An Ocean trench is also noted for the presence of a volcanic arc. This is right no joke:)
What does moving of techtonic plates cause?
Moving of tectonic plates causes earthquakes, volcanic activity, and the formation of mountain ranges when plates collide or pull apart. These movements also contribute to the creation of ocean basins and continents over long periods of time.
How deep trenches are formed?
Deep-ocean trenches are formed where seafloor tectonic plates subduct under continental plates.
What do ocean trenches result from?
Movement of the tectonic plates.
Where do ocean trenches occur?
At spreading centers.
At what boundary does sea-floor spreading occur?
Consider. In sea-floor spreading, the plates are spreading apart; in other words diverging. So sea-floor spreading occurs at a divergent boundary,
What are 2 geological features that can occur at plate boundaries?
Two geological features that can occur at plate boundaries are mountain ranges, formed from the collision of two plates, and deep ocean trenches, formed at subduction zones where one plate is forced beneath another.
What happens when Two plates moving apart?
When the plates separate water fills in the cracks, this leaves trenches ie. (Mariana Trench) the deepest part of the ocean approx. 7mil below sea level.
