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seismicity

[sahyz-mis-i-tee, sahys-]
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noun, plural seis·mic·i·ties.
  1. the frequency, intensity, and distribution of earthquakes in a given area.
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Origin of seismicity

First recorded in 1900–05; seismic + -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for seismicity

seismicity

noun
  1. seismic activity; the phenomenon of earthquake activity or the occurrence of artificially produced earth tremors
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

seismicity in Science

seismicity

[sīz-mĭsĭ-tē]
  1. The frequency or magnitude of earthquake activity in a given area. Global seismicity maps show that the regions where seismicity is the highest correspond with the edges of the tectonic plates.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.