Effects of Earthquake Essay

Primary effects atomic number 18 the immediate damage consumed by the quake, such(prenominal) as collapsing buildings, roads and bridges, which may belt down many people. Those lucky enough to win can suffer badly from scandalise and panic.Secondary effects argon the after-effects of the earthquake, such as fires, tidal waves, landslides and disease.Fire earthquakes take down gas pipes and electric cables, causing fires to library paste. crushed water supply mains prevent the Fires being extinguished. Fires spread very rapidly in cities, specially in poor-quality housing aras where wooden buildings are common. Tsunamis an earthquake on the sea deck or close to the coast may cause huge waves. Landslides earthquakes often cause landslides, especially in steep river valleys and areas of spineless rocks. Disease and famine fresh water supplies are often cut off-key causing typhoid and cholera. Lack of protection and food causes much suffering. soil liquefaction when soils with a high water content are violently shaken they lose their windup(prenominal) strength and behave like a fluid and so buildings can literally sink. Excellent clip 2011 Japan TsunamisMega tsunami caused by a landslide July 9th 1958Explanation epitome causes A tsunami can be set aboutd when hurtful plate boundaries abruptly move and vertically displace the overlying water. It is very improbable that they can form at positive or conservative plate boundaries. This is because rehabilitative or conservative boundaries do non largely disturb the vertical geological fault of the water column. Subduction zone related earthquakes generate the majority of all tsunamis. Tsunamis have a small wave height offshore, and a very long wavelength (often hundreds of kilometers long), which is why they generally pass unnoticed at sea, forming notwithstanding a slight swell usually about 300 mm to a higher place the normal sea surface. and they travel quickly at speeds over 700 km /h. They bugger off in height when they reach shallower water.