Natural and Man Made Disasters — Flashcards

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A disaster is a sudden, accidental event of great magnitude that causes considerable damage to life and property. It can affect homes, roads, livelihoods, and the environment.

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Disasters are classified into three groups: natural disasters, man-made disasters, and hybrid disasters. Natural disasters happen due to natural forces, man-made disasters happen due to human actions …

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The main natural disasters are earthquakes, tsunami, and flash floods. Other natural disasters include volcanic eruptions, cyclones, floods, droughts, and tornadoes.

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An earthquake is a vibration of the earth’s surface caused by the release of energy in the earth’s crust. It usually happens along fault lines and can cause severe damage to buildings and life.

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The Richter scale is a scale used to measure the intensity or energy released by an earthquake. It is named after American seismologist Charles Francis Richter.

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A tsunami is one of the most disastrous effects of an earthquake. It is a series of large waves formed mainly by movement of the sea bed during an earthquake. Tsunami is a Japanese word meaning harbou…

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The last tsunami in India occurred on 26 December 2004, also called Boxing Day. Nearly 2,27,000 people died in 12 countries, and India lost about 10,000 people.

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The 2011 Tohoku earthquake had a magnitude of 9.0 and its epicentre was near Oshika Peninsula. Nearly 15,883 people died and 2,537 were reported missing. It also triggered a tsunami that caused a nucl…