This is the homepage of the Earthquake Hazards Program (EHP) of the United States Geological Survey (USGS). This page points to information on earthquakes in Northern California, the United States, and the world. Topics include reports on recent large earthquakes, real-time earthquake maps, real-time shaking maps, real-time seismograms, earthquake network reports and updates, recent and significant ... Full description.

This site describes the research activities of the Earthquake Hazards Program (EHP) of the United States Geological Survey (USGS). The activities include: borehole geophysics and rock mechanics, crustal deformation, earthquake information, earthquake geology and paleoseismology, hazards, seismology and earth structure, and strong motion seismology, site response, and ground motion. Other links include: ... Full description.

This page points to a number of reports and maps on earthquake hazards, prediction, and preparedness. The page is mainly about Northern California including the San Francisco Bay area, but also including some items on Southern California and Alaska, as well as general articles on the topics. Map types include seismic hazards maps, shaking hazards maps, and shaking intensity maps. Related programs ... Full description.

This site offers adults, teachers, and kids access to basic earthquake information, including Frequently Asked Questions, glossaries, simple exercises with science fair materials, news, short reports, preparedness information, and the Ask-a-Geologist service. Links are provided to selected organizations, professional and nonprofessional. Full description.

This glossary of earthquake terms features illustrations which accompany the definitions, where possible, to provide examples and additional reinforcement. Links to related terms are embedded in the text. Full description.

This guide instructs educators on the classroom use of earthquake data from the United States Geological Survey (USGS) Earthquake Hazards Program. The data consist of locations, magnitudes, and times of earthquakes around the world. It is used by emergency response organizations and by scientists seeking to determine how earthquakes effect an area and whether seismic data can be used to predict future ... Full description.

This site offers access to information on worldwide earthquake activity, earthquake science, and earthquake hazard reduction. Materials presented here include maps and information on recent activity in the United States or worldwide, news and highlights, and a link where users can report ground motion from an earthquake. For teachers, there is a set of quick links to photos, a slideshow, and USGS ... Full description.

This portal provides access to products and publications of the United States Geological Survey (USGS) Earthquake Hazards Program (EHP). Links are provided to fact sheets arranged by region in the U.S and by global and national areas. There are also links to general information such as bibliographies and publications on general geology, plate tectonics, and tsunamis. A section on information services ... Full description.

This portal provides information on the seismicity and plate tectonics of the active boundary between the North American plate and the northeast corner of the Caribbean plate, and the research program being conducted there by the United States Geological Survey (USGS). There are links to maps and remote imagery of the plate boundary and the Caribbean Trench, and to publications and news articles on ... Full description.

The information at this site will help students while they are interpreting the results of building contest and shake table testing. The U.S. Geological Survey (USGS) national seismic-hazard map is shown and explained, the four broad interrelated objectives of the USGS Earthquake Hazards Program are stated, the National Earthquake Hazards Reduction Program (NEHRP) is explained, and its accomplishments ... Full description.