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The shifting of the Earths Techtonic Plates is what causes earthquakes. The earths crust is floating on top of a layer of magma. When two of earths techtonic plates shift and rub up against eachother, they get caught, because they are rigid, not smooth. When they finally get uncaught, they move very fast and that is what causes the shaking, as does the rubbing up against eachother.
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∙ 11y ago
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Why are large magnitude earthquakes infrequent?
Large earthquakes release a lot of energy, and it takes a long time for this energy to build up in faults, so they don't occur that often.
At what type of plate boundary do the strongest earthquakes occur?
Convergent boundaries because they build up the most pressure.
What is the source of energy for Earthquakes?
Stresses that build up in rocks underground resulting from the constant movement of tectonic plates.
How much pressure build up does it take to form an earthquake?
Well, it's not really pressure. It's movement in the mantle that causes earthquakes.
How earthquakes are made?
Earthquake is made by the rocks pushing againts each other in the uppermost of the crust. when they build enough stress up it will eventually rupture
What build up has been used to try to predict earthquakes?
friction
Does the build up of s waves cause earthquakes?
Only certain kind of waves it may vary.
Why are large magnitude earthquakes infrequent?
Large earthquakes release a lot of energy, and it takes a long time for this energy to build up in faults, so they don't occur that often.
At what type of plate boundary do the strongest earthquakes occur?
Convergent boundaries because they build up the most pressure.
What is the source of energy for Earthquakes?
Stresses that build up in rocks underground resulting from the constant movement of tectonic plates.
What happens when Earthquakes form deeply in the Earth?
well sooner or later the stress will build up and cause a major earthquake
How much pressure build up does it take to form an earthquake?
Well, it's not really pressure. It's movement in the mantle that causes earthquakes.
What are the forces in the earth that causes seismic waves to occur?
Tectonic plates build up stress between each other and suddenly release decades or even centuries of stress, causing earthquakes. Volcanoes that have lots of pressure built up can also cause earthquakes.
How earthquakes are made?
Earthquake is made by the rocks pushing againts each other in the uppermost of the crust. when they build enough stress up it will eventually rupture
Why do Earthquakes do not occur in the asthenosphere because this layer of earth is too?
The asthenosphere is too plastic, so it cannot build up stress like the lithosphere can.
Where do the earthquakes happen?
, Earthquakes occurs along fault lines, fault lines are where tectonic plates meet. There is a build up of pressure when the plates converge ( move in and hit each other). When the pressure is to great it is released in an earthquake. Hope this helps.
What type of earthquake occurs in mid ocean ridges?
Shallow focus earthquakes occur at the mid ocean ridges because the thin lithosphere found there is to weak to allow a large amount of strain to build up and cause larger earthquakes.
