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That is, one in every hour. It has also been verified that all the earthquakes originate within 50-100 km of the earths crust. The earthquake waves radiate in all directions from the centre of origin. Although earthquakes.
The intensity of vibration is more at the epicentre because the tremors move vertically to it. Its intensity is less when the vibrations spread in horizontal direction outside the epicentre. The vibrations may be mild or strong.
The other causes of earthquakes may be due to the various reasons depending upon their intensity. The following are the major causes: i. Superficial movements. ii. Volcanic eruption. iii. Faulting and folding. iv. Earthquakes due to other.
These vibrations can be compared with the series of concentric waves of water generated by a stone when thrown into a still pond. The earthquake waves are of three types: ADVERTISEMENTS : (а) Primary waves (P These.
The point on the surface vertically above it is known as the epicentre. The intensity of tremor is at the maximum near this epicentre. It is known from Seismograph that the vibrations spread in all directions from.
Essay Contents: Essay on Introduction to Earthquake Essay on the Causes of Earthquake. Essay on the Distribution of Earthquakes. Essay on the Prediction of Earthquakes. Essay on the Facts about Earthquakes. Essay on the Classification of Earthquakes.