Answers to a wide variety of questions (FAQs) about earthquakes, such as dictionary of terms, earthquake activity and probabilities, common myths, faults, plate tectonics, and earthquake measurement techniques.
Information on world earthquake activity with links to facts and lists on large earthquakes, earthquake e-mail notification, hazards and preparedness, educational links, news and highlights and other seismic information.
Describes activities of USGS scientists to increase public awareness of volcano hazards with links to publication and videos for public information on understanding and preparing for volcanic hazards.
A valve failed in a research well, causing an uncontrolled eruption of steam and hot water. Video program shows technical problems encountered in controlling and capping the well.
Annotated list of resources about the great earthquake of 1906, which caused significant devastation in and around San Francisco, California, compiled for the 100th anniversary of the disaster.
U.S. Department of the Interior |
U.S. Geological Survey