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Photo by Ellen Knappe

Photo by Noel Bartlow

Photo by William Hoover

Thank you to all contestants who have participated in the fourth
edition of the GeoPRISMS Photo Contest at the 2018 AGU Fall
Meeting. Learn more about the contest and all participants at:
http://geoprisms.org/geoprisms-photo-contest/

Congratulations to James Muirhead,

winner of the GeoPRISMS Photo Contest

at the 2018 AGU Fall Meeting

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
about eleven years before. 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

Spring 2019 Issue No. 42 GeoPRISMS Newsletter • 5