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Earthquakes Do you know what an earthquake is? How the earthquakes occured ? And what is the effect after an earthquake? Well, earthquake is natural disaster that rocked the earth. Earthquakes are vibrations or shocks that occur in the earth’s surface due to the release ofenergy in sudden that creates seismic waves. Earthquakes are cause by the movement of ordinary earth’s crust (plates of earth). Earthquakes have been recorded as early as 1177 B.C. in China. Of course earthquakes have been a part of myth and legend since the dawn of man. In European history, the earliest recorded earthquake occurred in 580 B.C. In North America the great earthquakes of 1811-1812 occurred near New Madrid, Missouri. The most destructive quake in U.S. history occurred in San Francisco in 1906, it caused the deaths of over 700 people. The great Alaskan earthquake of 1964 was twice as powerful, but less destructive due to the low population density of the area struck. The Chilean quake of 1960 was the biggest quake ever recorded. It came in at 9.5 on the Richter scale. The earliest seismologists were the Chinese who worked hard to record their quakes in detail. Aristotle was one of the first Europeans to create a theory about the origin of Earthquakes. He thought that they were the result of heavy winds. When earthquake happens, the earth comes under a terrible convulsion. Many homes and buildings collapsed. They breakdown beating a lot inmates inside them. A lot of forge trees shake violently and get uprooted. People cannot stand upright. They cannot run and they cannot lie down. Water in ponds and rivers is thrown upward. Fire tosses off the heavens and it burns the settlements. Earthquake makes a heavy loss of life and property. Famine breaks out everywhere due to lack of food. Within a few minutes beautiful cities full of palatial buildings lie waste like a war-ravaged country. The men who were boasting of their wealth and pride, are found moving about with begging bowls in their hands. Earthquakes are not new to the world. It is a very common thing on many parts of the earth. Japan is the constant victim of the earthquakes. so, the Japanese make their houses safe from earthquakes. Indonesia also is not altogether free from earth quakes. Particularlu in Sumatera island; which is often rocked by earthquakes. Earthquakes can’t be prevented. Therefore, we must know the knowledge about the earthquake and we must be alert before the earthquakes happen. We have to prepare our mental and also do simulate earthquake evacuation route for a potential tsunami.