Aerial view of part of Clark Air Base showing buildings and vegetation damaged by tephra (ash) fall from the June 15 eruption of Pinatubo. The photo was taken on June 24, 1991.
A DC-10 weighted down with ash from the Pinatubo eruption. Photo taken on June 17, 1991.
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Jeanna served as editor-in-chief of Live Science. Previously, she was an assistant editor at Scholastic's Science World magazine. Jeanna has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland, and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species. She also received an ocean sciences journalism fellowship from Woods Hole Oceanographic Institution.