Etna “breathes”

During a ten-year study of Mount Etna, NASA's Jet Propulsion Laboratory filmed the expansion and contraction of the mountain surrounding the vertical and lateral lava chambers that constructed and reconstructed the volcano over the recent 220,000 years. Between 1992 and 2001, the National Aeronautics and Space Administration (NASA) and the European Space Agency (ESA) used … Continue reading Etna “breathes”