Novarly Parcel · Staten Island

Is St. George sinking?

What satellite radar actually measures across St. George — and what it means for your address.

-1.51 mm/yr
median ground motion
-4.68 mm/yr
fastest-sinking spot
2.7%
of measured spots moving ≥3 mm/yr

Across 334 measured locations in and around St. George, the median ground motion is -1.51 mm/yr (negative = sinking). The fastest-moving measured spot is subsiding at -4.68 mm/yr, and 2.7% 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 Staten Island:

Midland BeachGreat Kills

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.