BBC NEWS | Science & Environment | Q&A Nankai Trough expeditionPage last updated at 09:59 GMT, Saturday, 30 May 2009 10:59 UK A pioneering project off the coast of Japan aims to go further into an earthquake zone than ever before. BBC environment correspondent Richard Black is the first journalist to visit the research ship Chikyu while it is drilling for rock cores from the quake-generating Nankai Trough to explore what causes tremors. You sent us your quest
