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Earthquakes
Ground shaking caused by the sudden release of accumulated strain by an abrupt shift of rock along a fracture in the earth or by volcanic or magmatic activity, or other sudden stress changes in the earth.
Subtopics:
Earthquake occurrences (42 items)

Earthquake hazards (51 items)
Related topics:


Results 11 - 20 of 94 listed alphabetically [list by similarity]
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 Products & Publications [More info]
Long list of online fact sheets, publications, and maps relevant to earthquake studies.
Earthquake and fault data for Google Earth [More info]
Downloadable data for earthquakes and faults for use with the Google Earth software
Earthquake glossary [More info]
Dictionary of terms associated with earthquakes with simple definitions and photographs especially suited for students.
PDF 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 software for download [More info]
Numerous downloadable software packages for carrying out analyses, modeling, and ancillary calculations in earthquake research and monitoring.
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