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← Civic Data

Ground Subsidence

Sentinel-1 InSAR · Track 63 · 2017–2026 · CORS-calibrated
Absolute vertical velocity (mm/yr). Negative = sinking. Anchored to NOAA CORS station SHRV (−3.0 mm/yr absolute).
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Median subsidence —
Mean subsidence —
Parcels —

Vertical velocity (mm/yr)

0 to −5 — Stable
−5 to −15 — Moderate
< −15 — Significant
Neighborhoods — Acquisitions 47 Parcels covered —