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What are two bad things that can happen as a result of plate tectonics How did plate tectonics cause these events?
These tectonic plates rest upon the convecting mantle, which causes them to move. The movements of these plates can account for noticeable geologic events such as earthquakes, volcanic eruptions, and more subtle yet sublime events, like the building of mountains.
Events such as earthquakes, volcanoes and tsunamis all result because of plate tectonics.
Deep ocean trenches, volcanoes, island arcs, submarine mountain ranges, and fault lines are examples of features that can form along plate tectonic boundaries.
The force that causes most of the plate movement is thermal convection, where heat from the Earth’s interior causes currents of hot rising magma and cooler sinking magma to flow, moving the plates of the crust along with them.
The correct answer is option 3 i.e Ocean current. An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth’s lithosphere that creates seismic waves.
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
While the movement of tectonic plates is usually slow—typically just a few centimeters per year—plate tectonics are linked to several kinds of natural disasters, namely earthquakes, volcanoes, and tsunamis. … Once plates overcome this friction and move past each other, the energy released leads to earthquakes.
In convergent and destructive plate boundaries, two plates collide into each other forming breaks in the Earth which then lead to landforms. This can include mountains or mountain ranges. Also convergent and destructive plate boundaries can create volcanoes and a variety of other landforms.
The tectonic plates are always slowly moving, but they get stuck at their edges due to friction. When the stress on the edge overcomes the friction, there is an earthquake that releases energy in waves that travel through the earth’s crust and cause the shaking that we feel.
The plates — interlocking slabs of crust that float on Earth’s viscous upper mantle — were created by a process similar to the subduction seen today when one plate dives below another, the report says. … Other researchers have estimated that a global tectonic plate system emerged around 3 billion years ago.
15. What are two bad things that can happen as a result of plate tectonics, how did plate tectonics cause these events? Most earthquakes and volcanic eruptions do not strike randomly but occur in specific areas, such as along plate boundaries. 16.
On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate. … When enough magma builds up in the magma chamber, it forces its way up to the surface and erupts, often causing volcanic eruptions.
What happens when two continental plates collide? … Instead, a collision between two continental plates crunches and folds the rock at the boundary, lifting it up and leading to the formation of mountains and mountain ranges.
Each year, thousands of people are killed by earthquakes and volcanic eruptions in those mountains. … If we choose to live near convergent plate boundaries, we can build buildings that can resist earthquakes, and we can evacuate areas around volcanoes when they threaten to erupt.
Where plates come into contact, energy is released. Plates sliding past each other cause friction and heat. Subducting plates melt into the mantle, and diverging plates create new crust material. Subducting plates, where one tectonic plate is being driven under another, are associated with volcanoes and earthquakes.
When oceanic or continental plates slide past each other in opposite directions, or move in the same direction but at different speeds, a transform fault boundary is formed. No new crust is created or subducted, and no volcanoes form, but earthquakes occur along the fault.
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
Transform boundaries represent the borders found in the fractured pieces of the Earth’s crust where one tectonic plate slides past another to create an earthquake fault zone. Linear valleys, small ponds, stream beds split in half, deep trenches, and scarps and ridges often mark the location of a transform boundary.
Convergent plate boundaries The plates move towards one another and this movement can cause earthquakes. … This happens because the oceanic plate is denser (heavier) than the continental plate. When the plate sinks into the mantle it melts to form magma. The pressure of the magma builds up beneath the Earth’s surface.
The primary effects of earthquakes are ground shaking, ground rupture, landslides, tsunamis, and liquefaction. Fires are probably the single most important secondary effect of earthquakes.
About 80% of earthquakes occur where plates are pushed together, called convergent boundaries. Another form of convergent boundary is a collision where two continental plates meet head-on.
If all plate motion stopped, Earth would be a very different place. … Erosion would continue to wear the mountains down, but with no tectonic activity to refresh them, over a few million years they would erode down to low rolling hills.
Tectonic plates sometimes cause earthquakes, but they cannot cause tsunamis.
If those conditions exist, it’s possible that large tectonic earthquakes might cause dissolved gases to come out of the magma (like a shaken soda bottle), increasing the pressure and possibly leading to an eruption.
Volcanoes spew hot, dangerous gases, ash, lava, and rock that are powerfully destructive. People have died from volcanic blasts. Volcanic eruptions can result in additional threats to health, such as floods, mudslides, power outages, drinking water contamination, and wildfires.
What actions of plate boundaries cause the destruction of the lithosphere? The converging of plates causes the destruction of the lithosphere; as two plates slowly converge, the leading edge of one is bent downward allowing it to slide beneath the other and be pushed down into the mantle.
If the two plates that meet at a convergent plate boundary both consist of continental crust, they will smash together and push upwards to create mountains. Large slabs of lithosphere smashing together create large earthquakes. … The amazing Himalaya Mountains are the result of this type of convergent plate boundary.
What happens when two continental plates meet at a convergent boundary according to plate tectonics? They push against each other to form deep-ocean trenches. They push against each other to form folded mountain ranges. … As any two plates meet at a fault line boundary, mountains are formed.