The Surfside, Florida, building that partially collapsed on Thursday had for years been sinking into the sand it was built on a researcher at Florida International University said Thursday.

In Miami, these buildings sit on limestone layered with sand. The ground is likely sinking because of how the grains of sand shift under the weight of the buildings, as well as the vibrations that ...

The Surfside, Florida, building that partially collapsed on Thursday had for years been sinking into the sand it was built on a researcher at Florida International University said Thursday.

The Surfside, Florida, building that partially collapsed on Thursday had for years been sinking into the sand it was built on a researcher at Florida International University said Thursday.