Does Mount Rainier, MD need an earthquake retrofit?

Mount Rainier carries Seismic Design Category B under USGS's ASCE 7-16 model. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Mount Rainier in the 43th percentile nationally for seismic hazard - higher than 43% of the 4,875 US cities USGS was checked against here.

How Mount Rainier compares

The raw figures: peak ground acceleration 0.068g, short-period spectral response 0.132g, 1-second spectral response 0.043g. Among 46 Maryland cities in this dataset, Mount Rainier ranks 24 for seismic hazard, the 49th percentile within the state. About 8,269 people live in Mount Rainier, Maryland.

What a retrofit costs in Mount Rainier

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for Maryland. 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 Mount Rainier address.

More on how this number was built

The methodology guide covers exactly how USGS's public design-maps API produced Mount Rainier'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.