Figure 1: (a) The chat-like input interface of Soteria, (b) The input interface for geotagging and GIS object creation, (c) Crisis map visualization with multimodal information embedded over the GIS object (an image and an audio shown in the figure), (d) A typical setup scenario of Soteria-the apps running over the smartphones seamlessly synchronize the data among themselves, sometimes with the help of an Internet Dropbox (shown in the inset)