Does Little Ferry, NJ need an earthquake retrofit?
Under the seismic model IBC and ASCE 7 use for new construction, Little Ferry is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Rank it against the rest of the country and Little Ferry sits at the 66th percentile for seismic hazard among 4,875 US cities.
Where Little Ferry sits in New Jersey
The raw figures: peak ground acceleration 0.183g, short-period spectral response 0.295g, 1-second spectral response 0.061g. Among 194 New Jersey cities in this dataset, Little Ferry ranks 31 for seismic hazard, the 84th percentile within the state. About 11,137 people live in Little Ferry, New Jersey.
What a retrofit costs in Little Ferry
Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for New Jersey. A typical retrofit still runs $5,000-$10,000 nationally, about $7,000 for a common single-family job.
What this means for insurance
Outside California, earthquake coverage is typically sold as an endorsement added to a standard homeowners policy, not a separate product - worth asking about directly when getting a home-insurance quote for a Little Ferry address.
More on how this number was built
The methodology guide covers exactly how USGS's public design-maps API produced Little Ferry's numbers. The guide to what a Seismic Design Category actually means covers why a category is never a substitute for an engineer's assessment of one specific house.