Disasters can happen due to nature and human being which cause damages, loss, and deteriorating health as well as health care. Psychosocial and mental health problems arise whilst and post disaster since disaster will lead to trauma for those who undergo it. Depression has comorbidity with dementia which decreases the quality of life of the elderly, thus it needs an effective and sustainable treatment with the goal to recovercoping mechanism toward physical and psycho-social problem, prevent physical and psycho-social disability, and optimize psycho-social function. The research aimed to analyze the effectiveness of Elderly Management Effort activities towards geriatric depression scale of permanent shelter residents in post Eruption of Merapi. This research was quasi-experimental research using pretest postest design. The subject of this research was 40 people which met the inclusive criteria: elderly, living in shelter, having non-terminal illnesses, and willing to join the whole research. The exclusive criteria were having a medical record with severe psychological problem and DO used for those who did not join all session completely. The samples were taken using consecutive sampling method. The instruments used in this research were the Geriatric Depression Scale and the Elderly Management Effort. The data were analyzed through t test and chi square. Decreasing of score was found for the Geriatric Depression Scale from 5.2 to 2.1 and back to the score 4.3 at the last intervention in the 10th month. The Elderly Management Effort through the activities in Posyandu including Dance Movement Therapy and Reminiscence Therapy was proven effective to decrease the Geriatric Depression Scale in post disaster.