seis·​mic·​i·​ty | \ sīz-ˈmi-sə-tē How to pronounce seismicity (audio) , sīs- \

Definition of seismicity

: the relative frequency and distribution of earthquakes

Examples of seismicity in a Sentence

Recent Examples on the Web The size, shape, and capabilities of the landers could be anything from simple cameras to a full suite of instruments to measure gravity, composition, or even seismicity. Smithsonian Magazine, "Astronomers Prepare a Mission Concept to Explore the Ice Giant Planets," 8 Jan. 2020 If the rainwater did fracture layers of rock, starting at the surface and reaching rocks near the magma, this should have produced a downwardly propagating wave of seismicity. Robin George Andrews, New York Times, "Did Heavy Rain Make Hawaii’s Kilauea Volcano Erupt?," 22 Apr. 2020 Over the last five years, the agency has received 657 disposal well applications in areas of historic seismicity. Houston Chronicle, "New study blames some Permian Basin earthquakes on fracking," 15 Oct. 2019 While there was no loss of life, and seismicity helped volcanologists identify potential fissure formation areas, 700 homes were destroyed, according to the New York Times. Lila Thulin, Smithsonian, "Riveting Footage Captures the Destruction of Last Year’s Volcanic Eruptions in Hawaii and Guatemala," 6 Sep. 2019 Just like historic seismicity, plate locking is more common in the northern and southern parts of Cascadia. The Conversation,, "Earthquake risk along NW coast is not the same for all areas," 8 July 2019 That means Californians should also appreciate the link between groundwater and seismicity, Wetzler says. Michael Price, Science | AAAS, "Sea of Galilee earthquakes triggered by excessive water pumping," 26 July 2019 However, in central Cascadia, underlying most of Oregon, there is very little seismicity. The Conversation,, "Earthquake risk along NW coast is not the same for all areas," 8 July 2019 Remember, that’s where researchers have already observed increased activity: the seismicity, locking, and tremor. The Conversation,, "Earthquake risk along NW coast is not the same for all areas," 8 July 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seismicity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of seismicity

1902, in the meaning defined above

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The first known use of seismicity was in 1902

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Cite this Entry

“Seismicity.” Dictionary, Merriam-Webster, Accessed 22 Jan. 2021.

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