Occurrence of earthquake, Biology

Assignment Help:

Among the different natural hazards, earthquakes happen to be the most feared and dangerous because of their sudden impact and the devastation they cause in a matter of few seconds. Earthquake occurs mainly due to fracturing of the rocks in the earth's crust. Large and small internal forces e.g. contraction, expansion, uplifting, depression, folding and faulting bring earth movements.

The most occurring earthquake in the world are tectonic earthquakes which originate at depth not more than tens of kilometers. An earthquake is called shallow focus earthquake if it occurs at a depth of less than 70 km. if the range of focal depth is from 70 to 300 km them it is known as mid focus or intermediate depth earthquake. At greater depth ranging from 300 km to 700 km deep focus earthquakes occur.

Earthquakes also occur in volcanic regions due to tectonic fault as well as by the movement of magna in volcanoes. This type of earthquake gives an early warning of volcanic eruption, sometimes a series of earthquakes occur in a sort of earthquake storm, where the earthquakes strike a fault in clusters, each triggered by the stress distribution of the previous earthquake.

 

 


Related Discussions:- Occurrence of earthquake

Applications of computers in medical and nursing, Applications of Computers...

Applications of Computers in Medical and Nursing Establishment As computers are heavily used for storing and retrieving data the application can be administrative, clinica

What is an antigen, What is an antigen? Antigen is any substance, parti...

What is an antigen? Antigen is any substance, particle or infectious agent known as foreign to the body. The contact of the antigen with the body promotes a defense reaction ag

What is symbiotic nitrogen fixation, a) What is symbiotic nitrogen fixatio...

a) What is symbiotic nitrogen fixation? b) Name the two protein components required for this process. Define their role.

Nutrition support for myocardial infarction, Q. Nutrition Support for myoca...

Q. Nutrition Support for myocardial infarction patient? The nutrient requirements of a MI patient vary from time of getting hospitalized in an emergency to the time of getting

Tagmatization, sample assignment on tagmatizatio

sample assignment on tagmatizatio

What is the difference between facilitated and diffusion, Q. What is the di...

Q. What is the difference between facilitated and simple diffusion? Facilitated by which kind of molecule does the term "facilitated" mean? Simple diffusion is the direct passa

How does the federal government regulate plant-incorporated, How does the f...

How does the federal government regulate plant-incorporated protectants and ensure their safe use in foods? EPA regulates the manufacture, sale and use of pesticides, containin

Explain about the saponins, Explain about the Saponins? These are a div...

Explain about the Saponins? These are a diverse group of compounds commonly found in legumes like soybean, lentils, chickpeas, peanuts and alfalfa sprouts. They are also presen

What is its function of cardia, Q. What is the route of the ingested food f...

Q. What is the route of the ingested food from swallowing until the duodenum? Until reaching the duodenum the food enters the mouth, passes the pharynx, passes the stomach and

Where in the leaves is photosynthetic tissue often located, Where in the le...

Where in the leaves is photosynthetic tissue often located? The major photosynthetic tissue is the photosynthetic parenchyma (also known as chlorenchyma, do not confuse with co

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd