Get the Multi-period response spectrum for a site for use with ASCE 7-22.Free to use. Data source is USGS (NEHRP 2020 Database) and OpenStreetMaps. Authors do not assume any responsibility or liability for its accuracy. Use of the output of this program does not imply approval by the governing building code bodies responsible for building code approval and interpretation for the building site described by latitude/longitude location.
Written by HXB
Accepts both late long pair or an address.