Hraunfossar waterfalls, also known as Lava Falls in western Iceland, was formed by rivulets streaming over a distance of about 900 metres from of a lava field which flowed from an eruption of one of the volcanoes lying under the glacier Langjökull. Today the waterfall flows from the ledges of less porous lava rock into the Hvítá river.
Kerið is one of most recognizable volcanic craters in Iceland. To give the image a little perspective, there is a person standing in the top right corner of the image. Its steep walls are approximately 55 meters (180 feet) deep. The caldera is 170 meters (560 feet) wide and 270 meters (890 feet) across. The small lake inside the caldera with a strikingly vivid aquamarine color which is due to minerals in the soil. This was once a typical cone-shaped volcano, but after an eruption some 3000 year ago, the top has collapsed into its empty magma chamber.
