Definition of coseismal in English:


Line breaks: co|seis¦mal
Pronunciation: /kəʊˈsʌɪzm(ə)l


  • Relating to or denoting points on the earth’s surface affected by an earthquake simultaneously.
    More example sentences
    • The purpose of the coseismal curves based upon these records is in general two - fold.
    • Several of Bull's research sites are within Sequoia and Kings Canyon National Parks since they are close enough to the San Andreas Fault for coseismal rock falls.
    • The field oscillation measurements allow to discover coseismal, near seismic and pre-seismic electromagnetism.


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  • A line on a map connecting coseismal points.
    More example sentences
    • The rupture has declared itself in an unmistakable rift observable at the surface, and coseismals are therefore unnecessary for the determination if this important factor.


mid 19th century: from co- 'jointly' + seismal (from Greek seismos 'earthquake', from seien 'to shake').

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