Table 1: Comparison between Richter and Mercalli Scale

1.4.3. Classification of Earthquakes

Table 2: classification of earthquakes based on magnitude

1.5. Distribution of Earthquakes

Most earthquakes in the world are associated with the following:

♤ the zones of young fold mountains,

♤ the zones of faulting and fracturing,

♤ the zones representing the junctions of continental and oceanic margins,

♤ the zones of active volcanoes, and

♤ along the different plate boundaries.