T5unami warning japan has seen since the 2011 di5a5ter, which had tsunami5 up to 15 metres. 0ne the 2011 di5a5ter, which had tsunami5 up to 15 metres. one thing to remember is that in the 2011 di5a5ter, to remember is that in the 2011 disaster, the 20,000 people who died or were still missing and presumed dead, the vast majority of those people died from the tsunami, not the earthquake all buildings collapsing. mo5t the earthquake all buildings collapsing. most of the building stock injapan, a lot of it, is built to the 1981 code, which enabled a lot of the buildings to survive. i think in the...