Posted by Anup Baral May 04, 2015 : When two parts of the earth's surface move suddenly in relation to each other along a fault line, due to tectonic forces, an earthquake occurs. A tremendous amount of energy is released in the form of tremors and vibrations, such earthquakes are called 'Tectonic Earthquakes' Teenager pulled alive from Nepal rubble after five days: ‘It’s a miracle’ The startling new numbers came hours after a U.N. official said that customs inspections at Kathmandu airport are holding up vital relief supplies for survivors in Nepal.