NOT UNSHAKEABLE – Modern Cities Can be Reshaped by Silent Natural Forces

New research has confirmed that New York City is slowly sinking under its own weight, and the ocean is rising to meet it.

A study published in the journal Earth’s Future reveals that the city is subsiding by 1-2 millimetres each year on average, with certain neighbourhoods sinking at nearly twice that rate. Scientists say that the immense weight of millions of tons of concrete, steel, and glass presses the land downward while the surrounding waters continue to rise. Local sea levels have already climbed more than 20 centimetres since 1950, and the combination of sinking ground and higher tides is creating a dangerous convergence.

The risk is not theoretical. Stronger hurricanes push more water into the city. Storm surges reach farther inland. Streets flood more often. Infrastructure designed for a previous century now faces forces it was never built to withstand. Repeated exposure to saltwater can corrode steel, weaken foundations, and undermine the safety of buildings that support more than 8 million residents.

Scientists warn that these pressures will only intensify. Each millimetre of subsidence increases the impact of every wave, every storm, every unusually high tide. The question is no longer whether the city is changing but how quickly it must adapt.

New York has always risen from challenge after challenge. Now the challenge is literally beneath its feet.

(Note: The geological term for land sinking under heavy structures is called settlement, and it is one of the reasons engineers must constantly monitor cities built on soft ground or reclaimed land.)

If a city as strong as New York can slowly sink without anyone noticing, what other silent forces might be reshaping the places we think are unshakeable?

Sources: Earth’s Future; USGS; NOAA (as cited in FB/Educated Minds, 28 November 2025)