| 释义 |
seismicity|saɪzˈmɪsɪtɪ|
[f. seismic a. + -ity. In Fr. sismicité (De Montessus de Ballore).]
The frequency per unit area of earthquakes of a particular country; the number representing this.
1902Milne 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.]. 1904C. E. Dutton Earthquakes xiv. 243 This statement..greatly facilitates the way toward a numerical measure of seismicity. |