Skip to main content
U.S. flag

An official website of the United States government

Advanced National Seismic System (ANSS) Participation Policy and Roles and Responsibilities

Detailed Description

This document establishes the policy of the U.S. Geological Survey’s (USGS) Earthquake Hazards Program 
(EHP) governing participation in the Advanced National Seismic System (ANSS). 
The Earthquake Hazards Reduction Act (P.L. 95–124 as amended) gives the USGS the Federal responsibility for 
providing notifications of earthquakes and its reauthorization in 2000 established the ANSS to modernize and 
expand the Nation’s seismic monitoring infrastructure to provide accurate and timely data and information 
products for seismic events, including their effects on buildings and structures, employing modern monitoring 
methods and technologies.

Sources/Usage

Public Domain.

Was this page helpful?