Mass-Wasting is defined as the down slope movement of rock and regolith near the Earth's surface mainly due to the force of gravity. Mass-wasting is an important part of the erosional process, as it moves material from...

This portal provides access to maps, data, and other information on the distribution and frequency of natural hazards in the United States. The material is arranged into seven categories: earthquakes, floods, hurricanes,...

The University of Washington Digital Collections unit continues to produce numerous fine digital collections, spanning a variety of disciplines, and this latest offering is no exception. This particular collection is...

The National Geophysical Data Center (NGDC), provides a series of data sets and slides related to natural disasters. These include: earthquake, tsunami, volcano and wildfire data sets. The web page also includes a link...

Building on more than 15 years of experience from the Parkfield Earthquake Experiment, the National Science Foundation (NSF) and the USGS started in June 2004 to drill a deep hole in order to install instruments directly...