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Note: The activity heat map displays normalized activity profile of Ambon Island for an average 24-hr day in Sept. 2019. Data are aggregated into hexagons, which are colored based on the count of unique devices by hour in each cell. This method highlights the most and least used locations at any moment in time. In the map above, yellow cells represent areas of high activity, or locations with the greatest number of people over the averaged 24-hr period. Source: Derived from Quadrant’s mobile location data

Tracking People’s Movement After Disasters Can Save Lives

Based on a case study in Indonesia, these charts illustrate how privacy-compliant human mobility data – such as mobile phone and GPS information – can provide rapid information to understand the impact of a disaster and how best to respond.

Madhavi Pundit, Priscille Villanueva

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