Tsunami Devastation - Sumatra. The Problem 28 placemarks show three different areas on the northern tip of Sumatra before and after the devastating tsunami. Click each placemark and fly over the region to see the extent of the tsunami damage. Based on these images, where is the safest place to be along tsunami-prone coastal areas?buildings (water will go around buildings)high ground (preferably inland from the coast)flat coastal areas (water can drain away better)beachfront homes on stilts (wate