http://www.shakealert.org/http://earthquake.usgs.gov/research/earlywarning/http://remotegun.com/earthquake-early-warning-system/index.htmlhttp://www.cisn.org/http://en.wikipedia.org/wiki/Earthquake_Early_Warning_(Japan)http://en.wikipedia.org/wiki/Japan_Meteorological_Agencyhttps://www.asme.org/engineering-topics/articles/construction-and-building/made-in-japan-earthquake-proof-homeshttp://web-japan.org/kidsweb/explore/schools/q6.htmlhttp://www.jica.go.jp/pakistan/english/activities/activity12.htmlhttp://www.technologyreview.com/view/423279/how-japans-earthquake-and-tsunami-warning-systems-work/http://e-learning.unapcict.org/HTML/course_list.phphttp://www.realestate-tokyo.com/news/earthquake-resistance-of-buildings-in-japan/https://www.asme.org/engineering-topics/articles/construction-and-building/made-in-japan-earthquake-proof-homeshttp://www.japantimes.co.jp/news/2007/04/24/reference/getting-a-handle-on-earthquakes/https://www.iris.edu/hq//files/publications/brochures_onepagers/doc/EN_OnePager3.pdfhttp://www.telegraph.co.uk/news/worldnews/asia/japan/8375788/Japan-earthquake-what-causes-them.htmlhttp://www.popularmechanics.com/science/environment/a11822/why-japans-massive-earthquake-surprised-scientists-5382984/http://www.mofa.go.jp/https://books.google.co.id/books?id=OYgpC56M-jcC&pg=PA132&lpg=PA132&dq=earthquake+rehabilitation+and+reconstruction+jma&source=bl&ots=NCQ2Loh65-&sig=lmyEHo0dy9jwBlBxoSwj93_WoaE&hl=en&sa=X&ei=vt8lVaDTDZWRuATp5YDQDw&ved=0CC8Q6AEwAg#v=onepage&q=earthquake%20rehabilitation%20and%20reconstruction%20jma&f=falsehttp://en.wikipedia.org/wiki/Earthquake_Reconstruction_and_Rehabilitation_Authority