Global Volcanism Program | Image GVP-05071
The Reykjanes volcanic system at the SW tip of the Reykjanes Peninsula, where the Mid-Atlantic Ridge rises above sea level, comprises a broad area of postglacial crater rows and small shield volcanoes. Snow-covered Sandfellshæd shield volcano (lower center), capped by a small crater, rises only 74 m above the Atlantic Ocean to the south. Most of the volcanic system is covered by Holocene lava flows. Eruptions have occurred in historical time during the 13th century at several locations on the NE-SW-trending fissure system.
Photo by Helgi Torfason (courtesy of Richie Williams, U S Geological Survey, published in Gudmundsson, 1986).