Flashback 2009 >> Indonesian’s Earthquake
Last year, our beloved country, Indonesia, returned to be shocked again by earthquake . So many victims had fallen out again and again. The loss suffered was not only materials, but also hundred of people, who were getting injured, lost even passing away . earthquake as far as we know is vibration happens on the surface of the earth. While according to the scientist, earthquake is friction of the earth’s crust or in the other words it is called earth’s plate.
Our earth of course happen to be a solid material. As solid thing, it should not have been movable. But within the earth actually materials have been moving all the time. This movement will cause energy and if result of movement is too big and even goes beyond its endurance limit, earthquake happens. There are some type of earthquake and one of them is called “Tectonic earthquake”. It happens because of the act of releasing energy as result of friction of tectonic plates.
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