GLOSSARY of earthquake & tectonics terminology


  • Earthquake Related Glossary
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What does that word mean?

This vocabulary list was created to clarify unfamiliar words found in the animations, videos, demos, lessons, software, and more in these pages. They cover topics that range from simple faults, to seismic waves, to focal mechanisms found in the IRIS web pages. 

Hot links will take you to resources that define a term, or that are related to the term used.

Definitions are drawn chiefly from USGS; NASAand FEMA.

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