Geology

General

Earthquake Hazards Program
Portal to USGS earthquake information.

Geological Survey of Canada
Includes a section of downloadable digital publications.

Global Volcanism Program
Database of volcanoes including reports of eruptions from around the world. From the Smithsonian Institution.

US Geological Survey (USGS) Publications Warehouse
Provides access to over 130,000 publications written by USGS scientists over the century-plus history of the bureau.

USGS Science Topics
Easy access to USGS resources.

Virtual Geologic Field Trip Guides: United States and Canada
Assembled by the Walter Geology Library of the University of Texas at Austin.

New Hampshire Earthquake Information
Information from the USGS Earthquake Hazards Program.

New Hampshire Geological Survey (NHGS)
Site includes publications, grants/loans, resources, and FAQ.