Add Yahoo as a preferred source to see more of our stories on Google. The nation's biggest cities are sinking, according to data from a new study. Known scientifically as land "subsidence," the most ...

The nation's biggest cities are sinking, according to data from a new study. And one of them is in Ohio. Known scientifically as land "subsidence," the most common cause of the sinking is "massive ...

Subsidence, often called an "invisible threat," can damage infrastructure and increase flood risks. While some cities show slight uplift, it's negligible and doesn't negate the overall sinking trend.

Subsidence, often called an "invisible threat," can damage infrastructure and increase flood risks. While some cities show slight uplift, it's negligible and doesn't negate the overall sinking trend.