Community participation during evacuation is rarely an individual and isolated process and the outcomes are systemic. From an information design perspective, addressing issues in cognitive recall and emergency psychology, this collaborative project examines evacuation messaging and applications of design principles in visual communication for tsunami evacuation outreach. The niche of this project is the inclusion of a 4-year cognitive recall study that included over 300 participants as the driving influence in how the messaging was designed, developed, and distributed. The outcome of this collaboration will feed into an open-source tool for community decision-makers and emergency management to create effective tsunami evacuation information. With the mobile app, the user is enabled to gather relevant information of inundation zones and inherent danger in a personalized, timely and local context. The app educate its user about inundation zones resulting from a tsunami.