Differences in which pf the following contributes to subduction

Geologists use  seismic waves to  locate an earthquake's epicenter.. 

Answeris associated with sunny,dry weather;

Evidence peice 1: millions of years ago existed the supercontinent pangea after millions of yearsnit broke into peices and formed smaller continents and islandsevidence peice 2: there is a massive fault line in san fransico and california that has the potential to cause massive earthquakes which supports the theory of fault linesevidence peice 3: mountains are said to be formed by earths tectonic plates crashing against each other for millions of years and eventually if forms a big point know as a mountain.evidence peice 4: the mariana trech is the deepest place (so far) discovered in the oceans of earth. it is so deep that you can literally see how earths plates are divided and or continents as well

The area of the indian subcontinent is 4.4 million km^2 whereas the usa is  9.8 million  km²