Our data from these surveys showed that older children and children who had traumatic experiences were more susceptible to PTSD and depression than those who were younger and those who didn’t have such experiences. Not only the traumatic experiences but also child’s perception was a powerful predictor of mental health problems. Children who felt that they received delayed evacuation had higher (rate of) depression 4.5 times more than children who had no such perception. Mental health team should concerned both children who indeed had traumatic experiences and children who perceived threat or delayed evacuation during or after the disaster. Meanwhile, children who have been with parents during tsunami had less prevalence of PTSD than those who got separated from parents. It meant that being with parents while they were facing with disaster was protective factor. Having seen dead body was associated with PTSD in both assessments at 2 months and 9 months post- tsunami. But the severity of mental problems (posttraumatic stress disorder and depression) and features of objective tsunami- related experiences were not as replicated in a “dose-of-exposure” pattern that was congruent with the rates of death and destruction across areas as mentioned elsewhere18.