Introduction: Tsunami cause many disadvantages such as the emergence of trauma and stress on society. Victims included in the category of vulnerable groups experiencing depression after the tsunami, namely the elderly. Resilience is a psychological ability that must be possessed by the elderly to survive in the face of change when their environment continues to change. This study aims to determine the resilience of post-tsunami elderly.Method: This study used a qualitative research design with a phenomenological approach with in-depth interview method for 10 participants. Data analysis in this study uses the Collaizzi nine-step techniqueResult: The results of this study found sixteen themes, namely: 1) When a Tsunami Comes, 2) Actions When a Tsunami, 3) Feelings When a Tsunami Occurs, 4) Losses Due to Tsunami, 5) Feelings at Evacuation Posts, 6) How to Adjust, 7 ) How to Build Confidence, 8) Sources of Inspiration, 9) Efforts to Eliminate Trauma, 10) Positive Thinking, 11) Giving Support, 12) Daily Activities, 13) Lessons Learned from Tsunami, 14) Staying in the Surrounding Environment, 15 ) Staying Energetic, 16) Helping ResidentsConclusion: Post-tsunami elderly need support from families and communities to have good resilience and activities to eliminate trauma. It is hoped that this research can be the basis for further research on post-disaster resilience of the elderly.