Doklady Earth Sciences

, Volume 476, Issue 1, pp 978–981 | Cite as

Bounding relationships between parameters of earthquakes and seismogenic clastic dikes (based on worldwide data)

Geology
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Abstract

This paper presents the first boundary equations describing the relationship between earthquake parameters (magnitude M S and macroseismic intensity I P at the observation point on the MSK-64 scale) and clastic dikes (having maximal thickness m cd , visible height h cd , and the index of manifestation intensity of dikes in the cross section I cd ). As was expected, the maximal size of dikes grows with an increase in the earthquake magnitude and macroseismic intensity. Analysis of the dependences showed that it is better to use all three parameters for estimation of the minimal threshold M S or I P from clastic dikes, and, in the absence of data on seismogenic rupture, the maximal calculated value should be used. Some limitations in application and the advantages of the equations obtained are discussed with respect to characterizing earthquakes of the pre-instrumental period.

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  1. 1.Institute of the Earth’s Crust, Siberian BranchRussian Academy of SciencesIrkutskRussia

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