Emry_et_al-Spring2019 Published November 8, 2019 at 640 × 480 in Spotlight | Complex upper mantle structure beneath the East African Rift System ← Previous Next → AfricaArray seismic stations in Dodoma, Tanzania. The photo was taken looking down into the 4-m deep vault at the Geological Survey in Dodoma, Tanzania. Photo credit: Andy Nyblade.