A torn landscape on Gelai volcano in the Natron basin, Tanzania. In this sector of the East African Rift System, magmatic-tectonic interactions culminate in volcanism, earthquakes, and release of large carbon dioxide volumes. This image, taken in May 2018, illustrates such interactions, where Professor Tobias Fischer investigates a fissure resulting from dike-induced faulting occurring ~11 years prior. Small volcanic cones (<100 m high) of the Naibor Soito field are observed in the mid ground. The much larger Kerimasi (left) and Oldoinyo Lengai (right) composite volcanoes are in the background, with the latter erupting explosively during this volcanic-tectonic crisis in 2007-2008. Photo credit: James Muirhead