Study Confirms All 28 Largest US Cities Are Sinking
- A 2025 satellite radar study found that all 28 most populous US cities with over 600,000 residents are experiencing varying degrees of land subsidence.
- Researchers attribute subsidence primarily to massive groundwater extraction and human activities like oil and gas pumping, with climate-induced droughts likely worsening the trend.
- Notable cities include Houston, the fastest-sinking city where over 40% of land sinks faster than 5 millimeters annually, and multiple Texas cities showing rapid subsidence rates around 4 to 10 millimeters per year.
- Leonard Ohenhen, the lead author of the study, cautioned that ongoing land sinking could create forces on buildings and infrastructure that exceed their designed safety thresholds, with nearly 29,000 structures situated in areas experiencing significant ground movement.
- The study urges policymakers to adopt groundwater management and resilient infrastructure planning to mitigate subsidence-related damages and address growing urban risks effectively.
123 Articles
123 Articles
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All 28 of the Biggest U.S. Cities Are Sinking—But These 10 Places Are Drowning Fastest
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Major US Cities Are Sinking, Satellite Data Shows
New York. credit: wikimedia commons / dllu CC BY 4.0 New satellite data reveals that large portions of the United States’ biggest cities are slowly sinking, putting millions at risk. The findings show that 34 million people live in areas where the ground is gradually moving downward. Researchers examined vertical land movement in 28 of the country’s most populous cities, each with more than 600,000 residents. Using high-resolution data from the …
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