Because scientist don't have a scale that measures tsunami very wellanswer 2. Many times the earthquake (or submarine subsidence) that caused the tsunami are quite close, and there is insufficient...
the only thing i see is that the in wthe city they only felt the ground shacking that doesn't dosent seem right to man adt can it likr give u more info about a warning something that would get the...
I think tsunami warning devices affect in alarming the people that it at least warns the people to be mentally prepared to face it or they can pack their lugages go to safe zone far from tsunami area.