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Tuesday, February 11, 2025

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A potent winter storm is thumping 1,500 miles of the US. Two more are right behind it; Amid scientists' warnings, Trump admin. sued over medical research cuts; Mississippi communities find local solutions to rural education challenges; CT groups rally against gas pipeline expansion.

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President Donald Trump approves 25% tariffs on steel and aluminum. Democrats who oppose dismantling the agency have been denied access to the Department of Education. And some places buck policy trends on sex education and immigration.

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Medical debt, which tops $90 billion has an outsized impact on rural communities, a new photography book shares the story of 5,000 schools built for Black students between 1912 and 1937, and anti-hunger advocates champion SNAP.

FL coastline sinking: New study questions safety, future of construction

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Friday, December 20, 2024   

When the Champlain Towers South collapsed in Surfside in 2021 taking 98 lives, it sent shock waves across South Florida. The tragedy has left lingering questions about the safety of coastal high-rises and whether the ground beneath them is as solid as once thought.

A new study by scientists from the University of Miami uncovered a troubling pattern: 35 buildings along the coastline from Miami Beach to Sunny Isles Beach are sinking, some at rates of up to eight centimeters in the past seven years.

Farzaneh Aziz Zanjani, a postdoctoral researcher at Washington University in St. Louis and the study's lead author, called the findings significant.

"We saw a correlation between the start of the subsidence and the nearby construction activities and we also found some correlation between the geology," Aziz Zanjani explained. "As we move from Sunny Isles to Miami Beach, the amount of subsidence is less."

Using satellite-based technology, the team tracked subtle ground movements which are otherwise invisible. Sunny Isles Beach, known for its luxury high-rises, showed the most dramatic rates of subsidence. The researchers believe the southern Florida geology with softer sandy layers within the limestone may be a factor.

For longtime residents, the study is unsettling. The idea some buildings may be sinking in a region already grappling with rising seas and stronger storms adds concerns about the future. Aziz Zanjani cautioned against jumping to conclusions.

"It doesn't necessarily mean that these buildings are unsafe," Aziz Zanjani pointed out. "This is beyond the scope of the study we had. It just shows that there is something happening under these buildings and it's related to geology and a lot more factors that we don't understand, and we need to do more research."

The research was motivated by the Surfside collapse but scientists found no evidence subsidence contributed to the tragedy. Still, Aziz Zanjani emphasized the study highlights the need for transparency and better monitoring of structural stability across the region. Aziz Zanjani's paper is open-access to the public.


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