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Lisbon convent gives up earthquake secrets


Portuguese archaeologists digging in the cloisters of a 17th century Franciscan convent have found thousands of fire-scorched human bones indicating the "hellish time" that resulted from the great Lisbon earthquake of 1755.

AP reports that it was a chilling find: a mass grave of human bones - skulls smashed and scorched by fire, dog bites on a child's thigh bone, a forehead with an apparent bullet hole.

Three years after the discovery, by workers digging up the cloisters of a 17th-century Franciscan convent, forensic scientists and historians say they have solved the mystery.

They say the estimated 3000 dead in the grave were victims of the earthquake that devastated Lisbon in 1755, and that this is the first mass grave of its kind ever found in the Portuguese capital.

The quake, which included a tsunami and a fire that raged for six days, was one of the deadliest catastrophes ever to hit western Europe. It is thought to have killed up to 60,000 people, and it destroyed much of the wealthy and elegant capital of a Portuguese empire stretching across Asia, Africa and Latin America.

Historians had a rough picture of what happened on 1 November 1755, but detailed accounts were scarce.

Now the mass grave presents a vivid and gruesome tableau of the past.

"We had clues about what occurred. Now we have the proof," Telles Antunes says.

The thick-walled convent, parts of which survived the quake, now houses the Academy of Sciences, which distributed the remains among forensic scientists in several fields. Those sleuths, using the latest technology in a kind of CSI Lisbon, gradually reconstructed events.

The mass grave held not just human remains but animal and fish bones, bits of pottery and ceramics, clay pipes, buttons, medallions, rosaries and even a thimble. All predated the quake.

Historians knew from public records that authorities hastily buried the dead to prevent an epidemic, but they did not know where. The grave shows just how pressured they were.

"When they gathered up the bodies to cart them away, they also scooped up bits of whatever else was lying around," says Joao Luis Cardoso, a professor of archaeology at the Open University in Lisbon who oversaw the dig.

Cristiana Pereira, a forensic dentist at Lisbon University, was given 1099 teeth from the grave.

Using the same procedures employed to identify victims in mass graves in the former Yugoslavia and from the 2004 Indian Ocean tsunami, she classified 79 victims, including babies.

The largest age group was 17-35, leading her to conclude the city had a young population. The teeth also showed few signs of decay, in part, presumably, because few people could afford the sugar imported from Portuguese colonial plantations in Africa and Brazil.

"It's all helping to fill in the blanks," she said.

The remains included a black woman. Other evidence of Portugal's slave-trading past were bones from a monkey - presumably a pet - and small sea shells that constituted currency for buying slaves.

Many skulls had been crushed, probably by quake-struck masonry and timber beams.

From a glass cabinet in his office, Telles Antunes pulls out the skull of a child about three years old. A small, sharp stone still juts from the skull, indicating a fatal injury from a collapsed building.

Scientists also analysed charcoal, partly melted medallions and sand that had turned into glass - all dug out of the grave. They deduced that temperatures in the post-quake fire reached 982 degrees Celsius.

The dog-bitten thigh bone suggests animals scavenging for food. The knife marks on another human bone imply meat was scraped from it, though some experts say the evidence of cannibalism is inconclusive.

Authorities sent troops to restore order, begin the cleanup and deal with looters. Two round lead bullets were found in the mass grave, and one skull had a hole that appeared made by a bullet.

"You can begin to imagine what a hellish time it must have been," says Telles Antunes.


SOURCE
Science throws light on earthquake (Courier-Mail, 7/5/07)

LINKS (not necessarily endorsed by Church Resources)
1755 Lisbon earthquake (Wikipedia)

ARCHIVE
Caritas Pakistan earthquake reponse helping to fix broken lives (CathNews, 11/1/06)


8 May 2007