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by noorafun
Last updated 7 years ago

Earth Sciences

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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.

Hazards to People1. The effects of groundshaking are the biggest danger, because that is what causes buildings to fall and harm people. 2. Ground displacement can ruin structures3. Earthquakes can cause flooding and fire

Scientists assign a magnitude rating to earthquakes based on the strength and duration of their seismic waves. A quake measuring 3 to 5 is considered minor or light; 5 to 7 is moderate to strong; 7 to 8 is major; and 8 or more is great

Vulnerable regionsAccording to a list of the countries most prone to earthquakes these are the top 10:10. Indonesia9. Turkey8. Mexico7. El Salvador6. Pakistan5. Philippines4. Equador3. India2. Nepal1. Japan

Examples of hurricanes1. Haiti (January 12, 2010)Magnitude 7.0. According to official estimates, 222,570 people killed. According to official estimates, 300,000 were also injured, 1.3 million displaced, 97,294 houses destroyed and 188,383 damaged in the Port-au-Prince area and in much of southern Haiti.2. Kanto, Japan (Sept. 1, 1923)7.9 magnitude, 142,800 deaths. The temblor and subsequent firestorms burned about 381,000; 694,000 houses were partially or completely destroyed. Often known as the Great Tokyo Earthquake, nearly 6 feet of permanent uplift was observed and horizontal displacements of as much as 15 feet were measured.


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How to Prepare for an has a lot of helpful tips on how to prepare for all types of things, these are just a few for earthquakes:1. If you live in Earthquake-prone areas be prepared by securing all furniture and appliances to the ground or the wall2. Locate safe spots in each room under a sturdy table or against an inside wall. Reinforce this information by moving to these places during each drill.3. Build an emergency kit ahead of time, the website has instructions and suggestions about how to do so


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