Deadliest Volcano Eruptions The eruption of Mount Vesuvius in 79 AD buried the Roman cities of Pompeii and Herculaneum under volcanic ash. True False None The 1815 eruption of Mount Tambora in Indonesia caused a global temperature drop and led to what was known as the "Year Without a Summer." True False None The 1883 eruption of Krakatoa produced the loudest sound ever recorded and was heard over 3,000 miles away. True False None The 1980 eruption of Mount St. Helens in the United States was the deadliest volcanic eruption in world history. True False None The eruption of Nevado del Ruiz in 1985 caused a deadly lahar (volcanic mudflow) that wiped out the Colombian town of Armero. True False None Time's up Most Popular Most Popular