Biological and physical processes
All continuing activities, functions, and phenomena associated with organisms and non-living matter.
Earthquake hazard in the New Madrid seismic zone remains a concern [ More info] GPS measurements made since 1996 seem to show this earthquake-prone area slowing down. Is it time to relax? Scientists who studied these data in detail say no, and this fact sheet explains why.
Earthquake hazard maps [ More info] National seismic hazards maps, global seismic hazards map, predictive intensity maps, shaking hazards maps and probabilities for California, and a variety of fact sheets on earthquakes.
Earthquake Hazards 101 [ More info] Provides links to explanatory materials for the layperson, including information on concepts behind earthquake maps, the use of probability, what the maps mean, how they are made, and answers to frequently asked questions.
Earthquake Hazards Program [ More info] Information on earthquake activity, earthquake science, and earthquake hazard reduction with links to news reports, products and services, educational resources for teachers, glossary, and current U.S. earthquake activity map.
Earthquake Hazards Program - Central and Eastern U.S. [ More info] Information on earthquakes in central and eastern United States with links to earthquake monitoring, published products, recent earthquake information, discussion group, and current projects.
Earthquake Hazards Program external research support [ More info] Abstracts, program announcements and descriptions of projects funded by the external research program.
Earthquake hazards software for download [ More info] Numerous downloadable software packages for carrying out analyses, modeling, and ancillary calculations in earthquake research and monitoring.
Earthquake information by topic [ More info] Information on earthquakes by topic including faults, tsunami, seismic waves, and plate tectonics.
Earthquake notification services [ More info] Sign up for USGS real-time earthquake notification services.
Earthquake preparedness information [ More info] Links to web sites, publications, and fact sheets on earthquake preparedness.
Alphabetical Index of Topics
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