http://earthquakes.findthedata.com/l/2883/Japan-Tokyo-Yokohama
http://www.smithsonianmag.com/history/the-great-japan-earthquake-of-1923-1764539/?no-ist=&page=1
http://www.japan-guide.com/a/earthquake2/
http://www.greatkantoearthquake.com/
http://www.smithsonianmag.com/history/the-great-japan-earthquake-of-1923-1764539/?no-ist=&page=1
http://www.japan-guide.com/a/earthquake2/
http://www.greatkantoearthquake.com/