The recent earthquake in Haiti is probably the worst natural disaster seen in recent years. Such circumstances provide some of the most important applications of GIS. The charity MapAction has already deployed people to the area to supplement the other organisations contributing to the aid. One of the most powerful tools in this context are satellite images that provide a quick and effective means of assessing damage. Digital Globe have released a number of free images of Port au Prince in Haiti. When compared to Google Maps imagery from before the earthquake the devastation can be clearly seen.
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