Wednesday, November 17, 2010

Earthquake Disaster

Earthquake is the most terrified natural phenomenon in the human life. The major events of the earthquakes from the human viewpoint are realized on review of some major catastrophes. Discharge of energy waves called seismic waves in the crust of earth, leads to the creation of a natural disaster called earthquake. Richter scale is used to symbolize magnitude and intensity of earthquakes. The origin point of seismic waves is called epicenter of earthquake. If epicenter is located near the sea then it can lead to Tsunami waves. Earthquakes are commonly results of natural phenomena like geological stress, volcanic eruptions, landslides etc.
Earthquakes can cause fires by damaging electrical power or gas lines. In the occasion of water mains rupturing and a loss of pressure, it may also become complicated to stop the spread of a fire once it has ongoing. Tsunamis are long-wavelength, long-period sea waves produced by the unexpected or abrupt movement of large volumes of water. Tsunamis can also travel thousands of kilometers across Open Ocean and wreak demolition on far shores hours after the earthquake that generated them. Floods occur usually when the quantity of water within a body of water, such as a river or lake, exceeds the total capacity of the formation, and as a result some of the water flows or sits outside of the normal perimeter of the body.
Precautions:
1)Stock up heavy items or glassware in lower cabinets so they do not turn into hazardous projectiles.
2)Protect large appliances such as refrigerators, water heaters, air conditioners and other bulky items with straps, bolts and other stabilizing methods.
3)Immediately seek a safe location such as in a doorway.
4)Establish an emergency meeting place should your family get separated.
5)Maintain fire extinguishers purposefully located on each floor.
6)Stay cool and support yourself to keep your balance, sitting if possible

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