In the east, it becomes a narrower coast bounded in the north by Mount Fuji,
until it comes to the Izu Peninsula, a popular resort area pointing south into the Pacific.
OpenStreetMap users volunteered their time to create a crisis map of Izu Oshima island,
a small island to the south of Tokyo where more than a dozen of people were killed by mudslides triggered by this week's deadly Typhoon Wipha.