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Nisha. pearthquakes


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Nisha. pearthquakes

  1. 1. Submitted by Nisha. P. Social Science Reg. No.: 13367012 J B M C T C , Kayamkulam
  2. 2. The processes that take place in the interior of the earth causes in the storage of energy in some portions in the earth. Earthquakes occur on those instances when these energy is being released.
  3. 3. The point of origin of the earthquakes is known as focus and the point just above the focus on the surface of the earth is known as epicenter.
  4. 4. The energy being released from the focus propagates as waves. These cause tremors on the surface of the earth and cause destructions.
  5. 5. The instrument used to measure the magnitude of the earthquake is called a seismograph. The intensity of the earthquake is measured based on the Richter Scale.
  6. 6. The earthquake that occurred on 26th January 2001 at Bhuj in Gujarat (Richter Scale 7.7) caused a less of almost 13,000 lives and great devastation in the surrounding area.
  7. 7. This earthquakes is described as the worst that has happened in the Indian subcontinent. The severe quake lasted 85 seconds, but the tremors were felt for some more minutes.
  8. 8. The greatest destructions was seen on the western side of Kutch and the Batchua town was completely destroyed.
  9. 9. The collapse of much storied building in Ahmadabad and Surat led to the loss of many lives.