Novarly Parcel · Long Island

Is Long Beach sinking?

What satellite radar actually measures across Long Beach — and what it means for your address.

-0.94 mm/yr
median ground motion
-3.54 mm/yr
fastest-sinking spot
0.3%
of measured spots moving ≥3 mm/yr

Across 762 measured locations in and around Long Beach, the median ground motion is -0.94 mm/yr (negative = sinking). The fastest-moving measured spot is subsiding at -3.54 mm/yr, and 0.3% 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 Long Island:

HempsteadBabylonIslipHuntingtonFreeportMassapequa

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.