Compléter EarthquakesVersion en ligne They result from the sudden release of energy in the Earth's crust that creates seismic waves. par Fillemon Tuwilika Shaningwa 1 services and research commuters stopped violently seismically broad big resident frightening power deep experienced near Reuters reports that on the Shinkansen high speed train line between Tokyo Osaka were briefly halted by a cuts . Some trains in Tokyo also for safety checks , causing crowds of to form around some of the city's busier stations . Michiko Orita , a of the island of Hahajima , the epicentre , told NHK : " It shook . Our Buddhist altar swayed sideways wildly . " I have not anything like that , so it was so . " Naoki Hirata , of the University of Tokyo's earthquake centre , said : " This was a very quake . . . the shaking was felt over a area . . . fortunately , because it was , there is little danger of a tsunami . " Japan is one of the world's most active nations .