A strong earthquake today shook residents in a mountainous region of central Japan, injuring at least two people and knocking roof tiles off homes. The Japan Meteorological Agency said the 5.6 magnitude quake struck about 7 AM local time at a shallow depth of 7 kilometers in Nagano prefecture. The epicenter was about 190 kilometers west of Tokyo. <br/>'<br/>The Fire and Disaster Management Agency reported multiple incidents of fallen roof tiles and broken glass. There was no danger of tsunami from the inland earthquake.