Earthquakesthe most deadly natural

Earthquakes
the most deadly natural hazards

Earthquakes. Being the most deadly natural hazards. Strike without any prior warning, leaving catastrophe in their wake with terrible loss of human lives as well as economic loss.

Technically, an earthquakes (also known as tremor, quake or temblor) is a kind of vibration through earth's crust. These powerful movements trigger a rapid release of energy that creates seismic waves that travel through the earth. Earthquakes are usually brief, but may repeat over a long period of time(earth science 2001).

Earthquakes are classified as large and small. Large earthquakes usually begin with slight tremors but rapidly take form of violent shock. The vibrations from a large earthquake last for few days known as aftershocks. Small earthquakes are usually slight tremors and do not cause much damage. Large earthquakes are known to take down buildings and cause death and injury (richter 1935). According to some statictics, there may be an average of 500,000 earthquakes every year but only about 100,000 can be felt and about 100 or so can cause damage each year.

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Zemljotresi
najsmrtonosnijih prirodnih opasnosti Earthquakes. Biti najsmrtonosnijih prirodnih opasnosti. Štrajk bez ikakvog prethodnog upozorenja, ostavljajući katastrofa u osvit sa strašnim gubitkom ljudskih života, kao i ekonomski gubitak. Tehnički, kao zemljotresi (također poznat kao tremor, potresa ili potresa) je vrsta vibracije kroz zemljine kore. Ove moćne pokrete pokrenuti brzo oslobađanje energije koja stvara seizmičkih valova koji putuju kroz zemlju. Zemljotresi su obično kratko, ali može ponoviti u dužem vremenskom periodu (Earth Science 2001). Zemljotresi su klasifikovani kao velike i male. Veliki zemljotresi obično počinju sa blagim drhtanje, ali brzo uzeti oblik nasilnog udara. Vibracije od velikog zemljotresa trajati nekoliko dana poznata kao potresa. Mali zemljotresi su obično blagi tremor i ne izazivaju puno štete. Veliki zemljotresi se zna da skinu zgrade i izazvati smrt i ozljede (Richter 1935). Prema nekim statictics, može biti u prosjeku od 500.000 potresa svake godine, ali se može osjetiti samo oko 100.000 i oko 100 ili tako može dovesti do oštećenja svake godine.