Novarly Parcel · Bronx

Is South Bronx sinking?

What satellite radar actually measures across South Bronx — and what it means for your address.

-1.12 mm/yr
median ground motion
-2.86 mm/yr
fastest-sinking spot
0%
of measured spots moving ≥3 mm/yr

Across 740 measured locations in and around South Bronx, the median ground motion is -1.12 mm/yr (negative = sinking). The fastest-moving measured spot is subsiding at -2.86 mm/yr, and 0% of measured locations exceed the 3 mm/yr "notable" threshold. Rates vary block by block — check your exact address:

Screening only — not a structural guarantee. For any decision, consult a licensed geotechnical engineer.

More in Bronx:

Riverdale

Statistics computed from Ohenhen (2025) NYC–Long Island vertical land motion (Zenodo doi:10.5281/zenodo.17644691, CC-BY-4.0). Screening only — see methodology.