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Earthquake Watch

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Submitted By laurenashlee91
Words 470
Pages 2
EQ Watch Review

By doing my earthquake watch and taking this class, I have gained a lot of knowledge about earthquakes. There are so many earthquakes that occur in just one day. Before my earthquake watch, I never would have known that earthquakes were this common. I found out that even we humans can cause earthquakes. Building new structures like dams and plants may cause earthquakes. There are also a lot of hazards that come with earthquakes that I had no idea about. Ground shaking, ground deformation, aftershocks, landslides, liquefaction, tsunamis, and fire can all come from earthquakes. Once an earthquake occurs, there are consequences right behind it. Earthquake occurrence happens because of plate tectonics. Plate tectonics says that the Earth's lithosphere is broken into a mosaic of oceanic and continental plates which can slide over the aesthenosphere, which is the uppermost layer of the mantle. The plates are in constant motion. Where they interact important geological processes take place, such as the formation of mountain belts, earthquakes, and volcanoes. Therefore, the movement of the plates causes most earthquakes that happen around the globe. The Elastic Rebound Theory was very helpful in explaining to me the way that energy is stored in a fault and released during an earthquake. When you stretch out a rubber band and let it go, it goes back to its original shape, just like what happens around the area of the fault before and after an earthquake. Earthquakes can crack buildings, homes, roads, bridges, and pretty much anything in its path if it is strong enough. Magnitudes are rated from 1.0 to 8 or even higher, with 1 which may not even be felt, to an 8 that can completely destroy a city. My whole outlook on earthquakes and how they work and function is completely different. I never knew how much went into detecting and recording earthquakes and

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