http://www.sciencemag.org/news/2021/02/fleets-radar-satellites-are-measuring-movements-earth-never

The surface of Ethiopia’s Corbetti volcano has been rising nearly 7 centimeters per year, a sign of underground activity. In this image, red shows the most cumulative inflation.

East Africa has been called the cradle of humanity. But the geologically active region has also given birth to dozens of volcanoes. Few have been monitored for warnings of a potential eruption, and until recently, most were believed to be dormant. Then, Juliet Biggs decided to take a closer look—or rather, a farther look.