seismicityn.

/sʌɪzˈmɪsɪti/

Etymology: < seismic adj. + -ity suffix. In French sismicité (De Montessus de Ballore).

The frequency per unit area of earthquakes of a particular country; the number representing this.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > convulsion > [noun] > earthquake > occurrence or frequency

earthquaking1883

seismicity1902

1902 Milne in Encycl. Brit. XXVII. 603/1 If we pick out the well-marked earthquake districts of the world, and give to each of them a seismicity or earthquake frequency per unit area of one-third of that of Japan, the conclusion arrived at is [etc.].

1904 C. E. Dutton Earthquakes xiv. 243 This statement..greatly facilitates the way toward a numerical measure of seismicity.

This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2018).

单词	seismicity
释义	seismicityn. /sʌɪzˈmɪsɪti/ Etymology: < seismic adj. + -ity suffix. In French sismicité (De Montessus de Ballore). The frequency per unit area of earthquakes of a particular country; the number representing this. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [noun] > earthquake > occurrence or frequency earthquaking1883 seismicity1902 1902 Milne in Encycl. Brit. XXVII. 603/1 If we pick out the well-marked earthquake districts of the world, and give to each of them a seismicity or earthquake frequency per unit area of one-third of that of Japan, the conclusion arrived at is [etc.]. 1904 C. E. Dutton Earthquakes xiv. 243 This statement..greatly facilitates the way toward a numerical measure of seismicity. This entry has not yet been fully updated (first published 1911; most recently modified version published online September 2018). < n.1902
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