Earthquakes are random events. The rocks under stress give in a random fashion, some times you get a 1 on the richter scale, sometimes you get an 8.9.
It is always easy to give a conspiracy theory the cause. This means someone is to blame, which is attractive when pain and suffering is involved. It is hard for humans to accept that all of this is due to random events under the earth.
Have not watched the links. Let me get out the tin foil...