Does Newport News, VA need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Newport News is Category A. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Nationally, Newport News ranks above 15% of the 4,875 cities in this dataset for seismic hazard - the 15th percentile.

How Newport News compares

USGS's underlying values for Newport News: 0.049g peak ground acceleration, 0.099g at short period, 0.041g at 1 second. Within Virginia alone, Newport News ranks 55 of 63 cities by seismic hazard - the 13th percentile in-state. Newport News has a population of about 183,056.

What a retrofit costs in Newport News

A full earthquake retrofit typically runs $5,000-$10,000 nationally (around $7,000 typical), driven mainly by house size and foundation type, not by Virginia specifically. California's Earthquake Brace + Bolt grant, which covers a large share of this cost, is a California-only program and does not apply in Virginia.

What this means for insurance

A Newport News homeowner cannot buy a standalone earthquake policy in most cases - it is added to an existing homeowners policy as an endorsement, so the place to start is a regular home-insurance quote.

Where Newport News's figures come from

Newport News's Category A and every number above trace to USGS's own ASCE 7-16 Design Maps service - see the methodology guide. See the category explainer for what Category A does and doesn't tell you about Newport News.