Introduction
Created by an act of Congress in 1879, USGS has evolved over the ensuing 125 years, matching its talent and knowledge to the progress of science and technology. USGS is responsible for the monitoring of natural disasters like landslide, earthquake, and volcano, which is regarded as the most authoritative research institution of landslide disaster. Also assessing and supervising nature resource all the time and providing extensive,high-quality, seasonable scientifical information for public.
