Monday, February 06, 2017

Basic terminology of Earthquake

Basic terminology of Earthquake


Basic terminology of earthquake
                    Point from where earthquake originate.


                    Point on earth surface vertically above hypo center.

Focal depth

                   Depth of focus from epicenter. It is important in determining extent of damage of earthquake.

Epicentral distance

                 Distance from epicenter to point of any interest is called epicentral distance. As distance increase, effect of earthquake become less.  

Fore shock and After shock                      

                Fault movement generate series of earthquake. Smaller size earthquake take place before big earthquake called Fore shock and those after big earthquake is After shock.