Plume

By Sara E. Pratt, NASA Earth Observatory June 10, 2022May 29, 2022Bezymianny, a stratovolcano in Russia’s Far East, ejected a towering plume that streaked the snow with dark ash.A stratovolcano, also known as a composite volcano, is a tall, conical volcano built up by many layers (strata) of hardened lava, tephra, pumice, and volcanic ash. Unlike shield volcanoes, stratovolcanoes have a steep slope and occasional explosive eruptions.They are among the most common types of volcanoes, in contrast to the less common shield…