On February 20, 2010, torrential rain inundated the Portuguese island of Madeira. Water, rocks, and mud gushed down the slopes of the steep-sided island and though the streets of Funchal and other cities on the island’s populated southern coast.
This detailed image, taken by the Advanced Land Imager on NASA’s EO-1 satellite on March 7, 2007, illustrates how the steep mountains and deep ravines contributed to a flooding disaster in February 2010.