EARTHQUAKE ANALYSIS AND INFRA STRUCTURES

INTRODUCTION OF EARTHQUAKE ANALYSIS AND INFRA STRUCTURES:

A study carried out by UNESCO in 1999 shows that among all the natural phenomena, it is earthquake which has been the biggest killer of human lives and has incurred destruction of properties amounting to billions of dollars.

EARTHQUAKE ANALYSIS AND INFRA STRUCTURES

Why do earthquakes occur in nature?

The topic has certainly fascinated human beings from Neanderthal age to modern times when geophysicists armed with state-of-the-art signal processing instruments have spent hours at observatories, trying to unravel its characteristics.EARTHQUAKE ANALYSIS AND INFRA STRUCTURES

It is no wonder thus that the origin of earthquakes has treaded an interesting path in its evolution from being perceived an act of God having mythological origin to tectonic theory as adapted at present.EARTHQUAKE ANALYSIS AND INFRA STRUCTURES

Tectonic processes are continuous. The most glaring examples of modern tectonics are seismic events or earthquakes. These occur at an annual rate of up to 10 thousands. Most earth tremors are very hard to detect and can only be recorded by sensitive instruments called seismographs.EARTHQUAKE ANALYSIS AND INFRA STRUCTURES

It may be assumed that earthquakes are caused by major and sudden discontinuities of the crust, ruptures, and faults as well as displacements of the crust. They are associated with the physicochemical processes that are at work in earth’s bowels and with changes in thermodynamic conditions in inner reaches of the earth.

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