is the second deadly tsunami to strike indonesia this year people are asking why the country's tsunami early warning system failed why coastal areas weren't evacuated indonesia's president djoko would dodo had no answers given that. i've ordered an inspection of all the tsunami detection equipment and the replacement of broken ones. so what i think. in the new budget i will order the replacement of old or broken equipment that can no longer be used but is about. tsunamis a usually triggered by earthquakes experts say this one seems to have been caused by the eruption of the ana krakatoa volcano in the sun distrait just fifty kilometers away from the coast of java even properly functioning systems wouldn't have worked the giant wave came out of the night snatching so many lives.