'Unlike anything we have studied': Gaza's destruction in numbers

As well as killing more than 34,000 Palestinians, and causing catastrophic levels of hunger and injury, the seven-month war between Israel and Hamas has also caused massive material destruction in Gaza.

"The rate of damage being registered is unlike anything we have studied before. It is much faster and more extensive than anything we have mapped," said Corey Scher, a PhD candidate at the City University of New York, who has been researching satellite imagery of Gaza.

As Israel launches an offensive on Rafah, the last population centre in Gaza yet to be entered by its ground troops, AFP looks at the territory's shattered landscape seven months into the war sparked by Hamas' October 7 attack.

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Gaza is one of the most densely populated places on the planet where, before the war, 2.3 million people had been living on a 365 sq km strip of land.

According to satellite analyses by Scher and Jamon Van Den Hoek, an associate professor of geography at Oregon State University, 56.9 percent of Gaza buildings were damaged or destroyed as of April 21.

"The fastest rates of destruction were in the first two to three months of the bombardment", Scher told AFP.

In Gaza City, home to some 600,000 people before the war, the situation is dire: almost three-quarters (74.3 percent) of its buildings have been damaged or destroyed.

During the war, Gaza's hospitals have been repeatedly attacked by Israel, which accuses Hamas of using them for military purposes, a charge the group denies.

In the first six weeks of the war sparked by the Hamas attack, which killed more than 1,170 people according to an AFP tally of Israeli official figures, "60 per cent of healthcare facilities ... were indicated as damaged or destroyed," Scher said.

The territory's largest hospital, Al-Shifa in Gaza City, was targeted in two offensives by the Israeli army, the first in November, the second in March.

The World Health Organization said the second operation reduced the hospital to an "empty shell" strewn with human remains.

Five hospitals have been completely destroyed, according to figures compiled by AFP from the OpenStreetMap project, the Hamas health ministry and the United Nations Satellite Centre (UNOSAT). Fewer than one in three hospitals – 28 per cent – are partially functioning, according to the UN.

The territory's largely UN-run schools, where many civilians have sought refuge from the fighting, have also paid a heavy price.

As of April 25, UNICEF counted 408 schools damaged, representing at least 72.5 per cent of its count of 563 facilities.

Of those, 53 school buildings have been completely destroyed and 274 others have been damaged by direct fire.