This report summarizes the Volcano Hazards Program of the United States Geological Survey (USGS). Topics include its goals and activities, some key accomplishments, and a plan for future operations. There are also...

This map shows debris flow hazard areas in the United States, including locations of known debris flows and predictions of where future flows might occur. It shows the locations of debris flows in two different ways, as...

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 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...

In this activity, students plot daily earthquake locations on a world map. They will understand that earthquakes are not randomly distributed around the Earth, but occur at plate interfaces, and learn to identify the...