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Mount Vesuvius Today two million people live in the immediate vicinity of Mount Vesuvius. This mountain has erupted more than 50 times since the eruption in 79 A.D., when it buried Pompeii and its sister city, Herculaneum. After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence. In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. It was during the restoration after this eruption that workers discovered the ruins of Pompeii, buried and forgotten for nearly 1600 years. It would take another 300 years for the excavations to reveal the story of Pompeii and Herculaneum. For excellent coverage of Pompeii, Vesuvius, and the continuing narrative of tragic human involvement with nature, readers may want to locate a copy of Planet Earth: Volcano by Time-Life Books. The picture to the left shows Mount Vesuvius as seen from the recently excavated ruins of Pompeii. Vesuvius is about 5 miles away. Try to imagine huge, billowing, gray-black clouds like those at Mount St. Helens rushing toward you at a hundred miles an hour. That is probably what the ancient Romans (whose body casts are shown below) saw just before they were entombed by hot ash. Photo: Courtesy of Dr. James Botti. The picture to the right is a satellite radar image of Mount Vesuvius and its surroundings. Vesuvius is the purplish cone near the center of the image with a prominent summit crater and radiating greenish lava flows. This is not a true color image. Vesuvius stands in the middle of a much larger and older eroded cone called Mount Somma, about half of which is still visible around the east side of Vesuvius. The rectangular docks of the port of Naples are visible against the dark water to the upper left of Vesuvius. The purplish areas with radiating lines above and below Vesuvius are other modern cities. The locations of Pompeii and Herculaneum may be approximated using the map shown below. This cropped image was taken by the SAR-C/X instrument aboard the Shuttle in 1994. The rest of this image and others taken by the SAR may be viewed by clicking here. Pliny the Younger The following excerpts are from an account written by Pliny the Younger to the Roman historian Tactitus shortly after the 79 A.D. Mount Vesuvius eruption. While it is common for us to think of this date as ancient, students may learn a great deal about volcanoes from this first-person account. In terms of the age of a volcano, Pliny the Younger's writings are really very recent. He wrote to record the events surrounding the death of his uncle, Pliny the Elder.
On August 24 of 79 A.D., the area around Mount Vesuvius shook with a huge earthquake. The mountain's top split open and a monstrous cloud raced upward. The inhabitants of Pompeii were showered with ash, stones, and pumice. A river of mud was beginning to bury the city of Herculaneum. The uncle of Pliny the Younger, known as Pliny the Elder, was a commander of a fleet of war ships at Misenum (see map). He decided to use his ships to rescue people close to the volcano. The nephew describes the huge cloud towering over the area (Radice, 1969):
Pliny the Elder's ship approached the shore near Pompeii.
But they could not land because the shore was blocked by volcanic debris, so they sailed south and landed at Stabiae. Hoping to quiet the frightened people, the uncle asked to be carried to the bath house. Afterward he lay down and ate. Next, hoping to quiet the inhabitants, he went to bed. The volcano did not do likewise, however.
Finally, the uncle decided to leave. The level of ash and pumice-stone had risen to the point that a hasty departure seemed the best option.
Later, Pliny the Younger and his mother leave Misenam to escape from the approaching volcanic conflagration. They travel across country to avoid being trampled by the crowds of people on the road.
People in 79 A.D., like Harry Truman in 1980, may have thought they "knew the mountain." Photo: Courtesy of Dr. J.A. Botti. Excavaters found that much of what Pompeii looked like in 79 A.D. had been preserved by the ash that had fallen. A bakery oven contained loaves of bread nearly 2000 years old! Victims of Vesuvius were immortalized when their decomposed bodies left cavities in the hardened ash. The cavities were filled with plaster to recreate victims much as they looked at the time of their death. Photo: Courtesy of Dr. J.A. Botti. For more information about Pompeii, you can visit the Pompeii Forum Project or TravelProducts.com's thorough resources page on Mount Vesuvius.
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