Novarly Parcel · Interactive map
Which states are sinking?
Measured ground movement across 45 million+ satellite radar measurements. Drag the slider to see cumulative movement since 2015; click a covered state for details.
sinking < 1 mm/yr1–2 mm/yr2–3 mm/yr> 3 mm/yr (median)no coverage yet
Texas
318,407 measured locations-14.2 mm
median movement 2015–2021
-128 mm
fastest measured spot, same period
44.8%
of locations moving ≥3 mm/yr
Fastest-sinking covered state by median: Delaware (-2.88 mm/yr). Rates are multi-year averages measured by InSAR over the 2015–2021 observation window; cumulative figures assume the measured average rate. Measured history, not a forecast.
Sources: Ohenhen et al. (2025) Nature Cities 28-metro VLM (CC0); Ohenhen (2025) NYC–Long Island VLM (CC-BY-4.0); Ohenhen et al. US Atlantic-coast VLM (CC0). Contains modified Copernicus Sentinel-1 data. Methodology