hazard
seismic
earthquake
design-data
read-only
paid
x402
category:hazard

Seismic design data (USGS NEHRP 2020)

Returns USGS NEHRP-2020 values at a US address (Ss, S1, PGA, SDS, SD1, site class, risk category, and seismic design category where USGS has finite values), for engineering agents. Returns the same records as locus_seismic_design. Use this when your client can only call paid x402 routes. Use locus_seismic_design instead when you can call Locus free tools (REST tools/call or MCP).

post/api/locus-seismic-design

Request

  • Base URL: https://api.locus.report
  • URL: https://api.locus.report/api/locus-seismic-design
  • Auth: one of:
    • API key in header PAYMENT-SIGNATURE
    • API key in header Authorization

Request body

addressstring

Optional US street address or place; NC uses AddressNC first, other areas use the national geocoder fallback when latitude/longitude are not provided.

latitudenumber

Optional decimal latitude; provide with longitude to skip address geocoding.

longitudenumber

Optional decimal longitude; provide with latitude to skip address geocoding.

Response

Atomic read result. A substantive result is paid; an empty/out-of-coverage result carries charged:false (x402 settlement suppressed).

object required

Changes

No recorded changes to this operation across all 1 revision of this API.