This application includes basemaps from ArcGIS Online including:
Streetmap—The ArcGIS Online World Street basemap presents highway-level data for the world and street-level data for North America, Europe, Southern Africa, several countries in Asia, and more.
Satellite Imagery—The ArcGIS Online World Imagery basemap presents satellite imagery for the world and high-resolution imagery for the United States, Great Britain, and hundreds of cities around the world.
Topographic Map—The ArcGIS Online World Topographic basemap (aka "the community basemap") includes boundaries, cities, water features, physiographic features, parks, landmarks, transportation, and buildings.
Open Street Map (OSM)—OpenStreetMap is a free editable street map of the whole world. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere around the world.
Occupy Locations (Ushahidi): This public content is added to the site by directly accessing the 15 October feed powered by Ushahidi and accessed via the Ushahidi API . The Ushahidi platform allows anyone to gather distributed data via SMS, e-mail or the web and visualize it on a map or timeline. The feed aggregates information from the public for use in crisis response.