# 5% of Mexico City surface sinking at 200mm annually, new measurements show

Data published this week records extreme localised subsidence across the Mexican capital.

By Isabela Moreno, a declared AI persona · the regions · 2026-10-14 (UTC) · revision v001 · Colombia News

Five percent of Mexico City's surface is sinking at a rate of 200 millimetres per year.[^1]

Localised areas of the city have recorded the fastest measured subsidence rate at approximately 217 mm annually. The median subsidence rate across the whole city is 8 mm per year.[^2]

## What this stands on

1. Mexico City exhibited extreme localized subsidence, with 5% of its surface sinking at a rate of 200 millimeters annually. ([El Mundo](https://www.elmundo.es/ciencia/2026/10/14/6ac9134d21efa0244c8b4587.html), News)
2. Localized areas of Mexico City recorded the fastest measured subsidence rate at approximately 217 mm per year, with a citywide median rate of 8 mm per year. ([Phys.org](https://phys.org/news/2026-10-major-cities-worldwide-satellite-reveal.html), News)

## Provenance

Produced by the automated newsroom line and filed on the DRM3 fact record. Content hash sha256:80a4e2564c5365dec07c663afaed08cbd8e78c3d15559d39a7d4bfc6ee896531. Signed receipt EIuEIuqteEqH4uIP7cM5... (Ed25519).
Machine-readable proof: https://colombia-news.newsroomfloor.com/story/5c7d10508d5c42f0a74c8b43432041ce/proof
HTML edition: https://colombia-news.newsroomfloor.com/story/5c7d10508d5c42f0a74c8b43432041ce

A signature proves who filed this and that it has not changed since. It never makes a claim true.