Question

Causes and effects of earthquake​

Answer 1

Answer:

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.

The stress increases when they stick, relative motion between the plates. This continues until the stress rises and breaks, suddenly allowing sliding over the locked portion of the fault, releasing the stored energy as shock waves. Such faults are San Andreas fault in San Francisco, Rift valley in Africa etc.

Effects of Earthquake

The effects of an earthquake are terrible and devastating. Many building, hospitals, schools, etc are destroyed due to it. A lot of people get killed and injured. Many people lose their money and property. It affects the mental health and emotional health of people.

The environmental effects of it are that including surface faulting, tectonic uplift and subsidence, tsunamis, soil liquefaction, ground resonance, landslides and ground failure, either directly linked to a quake source or provoked by the ground shaking.

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Answer 2

the causes of earthquake are as follows:- they caused by tectonic movements in the earth crust .the main cause is when tectonic plates ride one over the other causing orogeny and serve earthquakes. the boundaries between the moving plates form the largest fault surface on the earth .
the effects of earthquake are as follows:-
the primary effect of the earthquake are ground shaking, ground rupture , landslides, tsunami and liquefaction. Fires are the probably the single most important secondary effect of the earthquake