where are earthquakes most likely to occur and why?
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Most earthquakes occur along the edge of the oceanic and continental plates. The earth's crust (the outer layer of the planet) is made up of several pieces, called plates. The plates under the oceans are called oceanic plates and the rest are continental plates.
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Types of earthquakes. There are many different types of earthquakes: tectonic, volcanic, and explosion. The type of earthquake depends on the region where it occurs and the geological make-up of that region. The most common are tectonic earthquakes.
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Causes of Earthquake Earthquakes are caused by sudden tectonic movements in the Earth's crust. The main cause is that when tectonic plates, one rides over the other, causing orogeny collide (mountain building), earthquakes. The largest fault surfaces on Earth are formed due to boundaries between moving plates.
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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. Since neither plate is stronger than the other, they crumple and are pushed up.
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Some places have more earthquakes than others because they sit on the edges of tectonic plates.
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Italy, one of the most seismically active countries in Europe, has a long history of large earthquakes. The movement of tectonic plates produces large events – earthquakes and volcanic activity.
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What are the Different Types Of Earthquakes? There are two main types of earthquakes: natural and man-made. Naturally occurring(tectonic) earthquakes occur along tectonic plate lines(fault lines) while man-made earthquakes are always related to explosions detonated by man.
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The deepest earthquakes occur within the core of subducting slabs - oceanic plates that descend into the Earth's mantle from convergent plate boundaries, where a dense oceanic plate collides with a less dense continental plate and the former sinks beneath the latter.
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Most earthquakes occur along the edge of the oceanic and continental plates. ... Earthquakes can also occur far from the edges of plates, along faults. Faults are cracks in the earth where sections of a plate (or two plates) are moving in different directions.
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Earthquakes occur on faults. A fault is a thin zone of crushed rock separating blocks of the earth's crust. When an earthquake occurs on one of these faults, the rock on one side of the fault slips with respect to the other. ... The fault surface can be vertical, horizontal, or at some angle to the surface of the earth.
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Earthquakes occur during "earthquake weather." The common misconception that earthquakes occur during hot and dry weather dates to the ancient Greeks. Earthquakes take place miles underground, and can happen at any time in any weather. Big earthquakes always occur early in the morning.
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Earlier this year, a 5.7 earthquake hit the north of South Australia, far from the edges of the Indo-Australian plate on which Australia sits. While most earthquakes occur along tectonic plate boundaries, a small number occur along faults in the normally stable interior of plates.
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Earthquakes with a magnitude of 5.0 or lower occur almost daily in Indonesia, while more major earthquakes have occurred about once a year throughout the nation's history. These earthquakes often trigger tsunamis or floods that devastate communities.
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Earthquakes in mountain ranges produce a cascade of geological disturbances and hazards, from enormous landslides to climate change. The collision of tectonic plates that forms the tallest and steepest mountains on Earth produces large and destructive earthquakes.
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Earthquakes likely occur in Convergent and Transform boundaries. What happens when plates move apart? When plates start moving apart the magma from the Earth's core rises up and new crust is created.
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The hazard of earthquakes stems from faults that scientists have detected around Yucca Mountain, Anderson says. Faults are fractures in the Earth's rocky crust that allow movement between two masses of stone. When this slippage happens abruptly, presto, you've got an earthquake.
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There are many different types of earthquakes: tectonic, volcanic, and explosion. The type of earthquake depends on the region where it occurs and the geological make-up of that region. The most common are tectonic earthquakes.