how earthquake form
Answers
Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. They don't just slide smoothly; the rocks catch on each other. The rocks are still pushing against each other, but not moving. After a while, the rocks break because of all the pressure that's built up. When the rocks break, the earthquake occurs. During the earthquake and afterward, the plates or blocks of rock start moving, and they continue to move until they get stuck again. The spot underground where the rock breaks is called the focus of the earthquake. The place right above the focus (on top of the ground) is called the epicenter of the earthquake.
Answer:
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Explanation:
the Earth is made up of four layers the inner solid for the outer solidcore consisting of hot molten iron, the mantle made of soft rocks and The crust that is made of a hard layer of rocks. the topmost layers The crust and the mantle I like our covering aur skin of our planet. but this skin is not in one piece. many pieces of various shapes and sizes called plates tectonic plates cover the earth. the temperature of the core is very high while the temperature of The crust is just about 30 degree Celsius. so there is a constant flow of heat from the core To The crust. this sets a convection current in the molten magma. due to this pressure is developed in the magma this pressure can cause movements in plates and the plates is moving around slowly and continuously. this plates squeeze or stretch aur suddenly slip past one another or get crushed or fractured. due to movement of these plates forces are induced on themselves when released and it moves through the earth in the form of waves. on the surface of the earth we feel it as a tremor. we call this an earthquake.
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