Earthquakes"Earthquake" is a natural disaster caused by the vibration of the ground. Due to release energy. To vent the stress accumulated in the world come out suddenly to adjust the balance of the crust, the earthquake is a vibration of the Earth signs. The severity of this vibration since humans don't feel up to that damage. Erosion of a building such as house building. Dam, roads, etc. The cause of earthquakes The earthquake is a natural disaster, one of the most phibat Earth is a natural phenomenon caused by the vibration of the ground due to release energy to vent the stress accumulated in the world come out suddenly to rebalancing of the crust, which is a mechanism for earthquake theory is widely accepted theory is that the current 2. The theory on expansion of the crust (Source Dilation theory), believes that the earthquake caused the crust. An khotkhong to raise and when their sudden absence from power, thus relieving came out in waves, earthquake. The theory on the return of an object (the Elastic rebound theory) believed that the earthquake caused the vibration is the reason comes from the movement of the fault (Fault), so when one object is moving to the point, it's missing out and lose considerably with the format Unleash.Work out. Our crust consists of 12 sheets, plates, a large amount of crust, about both phaenomhatmuthon and continents, which are constantly moving, some plates are moving. Some plates move toward each other and address some of the complex motion scrape plates to overlie each other as results of tensile stress which accumulate within the. The crust itself. Earthquakes occur when stress resulting from too many changes. This condition occurs most often at the perimeter of the plate tectonics. Calling the earthquake occurred the area perimeter of the plate tectonics that earthquakes between the sheets (interplate earthquake) and often violent than earthquakes within the plates (intraplate earthquake).Earthquake from human actions. There are both direct and indirect, such as explosions. Atomic bomb trial. Creating the reservoir Dam near fault or operation of machinery Traffic. A water catchment dam and blast of coal mining, etc. The cause of the earthquake. The cause of the catastrophe caused by the movement of the crust. (Earth crust) because the crust is primarily composed of phaen (plates), a virtual jigsaw puzzle to live within the world there is a very high heat, causing the circulating flow (convection), Manchester's Donington (mantle) crust movements have 3 characteristics 1. collision. 2. extract (convergent plates) or a fee from each other (divergent plates) 3.-moving like friction coating (transform plates) are also causes. So that may have caused the catastrophe, but it is not a major cause and a chance to bat, very little occurred, such as a check, Udon West. Trial. A nuclear bomb or other explosive, etc.A measure of the severity of the earthquake. The violence of the land do 2 ways.Measure the size (magnitude) of the energy is released, which can be calculated from the tracking characteristics of khluen. Earthquakes by measuring earthquake (seismograph). This gauge called Richter between seale (less severe) 1.0 to 9.0 (very severe). Measure of intensity (intensity) of the violence shaking at somewhere which will come out in a way the severity of shaking that humans feel that how much or damage of various construction. There is much the gauge between the Mercalli seale 1-12.Earthquake occurs where? Earthquakes are caused by the motion of the crust. So where will the earthquake, it is located at the boundaries of the plates. Crust edge, the surrounding or the Pacific Ocean known as the "Ring of Fire", a separate area of the San klangomhatmuthon Atlantic (Mid-Atlantic Ridge) and Greece and Italy from India country, area, Turkey. Earthquakes happen every day but it's mostly mild and do not cause damage. The portion size for the most part serious earthquake caused the vibration of the Earth. Crevice in the ground. Tsunami waves. Fire ruins landslide dam leakage of hazardous material, etc., which can cause damage and loss of life to many people.People in ancient times there was a lot of fear of the earthquake. Greek poet Homer to ask kachuea whether the earthquake caused by the God of the sea Poseidon deep he was angry. Ancient Chinese people think that earthquakes occur when the serpent dragons living beneath the ground shifting and movement of the trunk at the same time, have sent a roar. Best time in Japan that people believe that God designed the fish tail wind blowing back and forth name Namazu will cause an earthquake, but the Green is SAGE Thales in the reign era of the said attack. The belief that whatever happened, they must be gods to dwell within it by him, I think of the waves in the ocean, severe. Who is causing the earthquake? Humans began to understand this underground phenomenon "good" when about 20 years by that time earthquakes. The earthquake waves, each wave will look at moving out of the virtual position, one of the underground, which geologists call the location that points to a location on the surface of the Earth and beyond the focus point. Have the usual academic epicenter and focal point, whether it's the earthquake waves usually travel about 15 km deep beneath the Earth, but in some cases, the term depth of focus may be as much as 400 kilometers, with? Geologists estimate that every day will be the earthquake occurred. On the Earth, but most of the time, 1000 counts will not feel because it's too light to flicker and phaeo. When the reason for this is that it means that 50% of the earthquake waves, there may be people, but the other 50% check the remainder originating in areas where there are no people live, they will not feel anything. Currently geologists believe that the second earthquake occurred for two reasons, is caused by the explosion of a volcano and caused strife or cracking of the crust. Understanding the mechanism of the pluea movement.
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