Geologist & Director of the Global Volcanism Program, Dr. Elizabeth Cottrell, uses her knowledge of the deep Earth, from core to mantle, and surface developments to explain patterns of volcanic activity across the planet.
Smithsonian Institution National Museum of Natural History
Smithsonian geologist Liz Cottrell of the National Museum of Natural History discusses plate tectonics an shows us the tools she uses to learn more about what's buried beneath the Earth's crust.
Dr. Liz Cottrell, a geologist at the Smithsonian's National Museum of Natural History, talks about what happens inside a volcano that causes it to erupt.
Learn about the ash that comes from volcanoes with Dr. Liz Cottrell, a geologist from the Smithsonian's National Museum of Natural History.