…Since longitudinal waves travel faster than transverse waves, P waves arrive first. Among S waves, the component that vibrates parallel to the earth's surface is called SH waves, and the others are called SV waves. Both P waves and S waves travel three-dimensionally in all directions from the epicenter and are called body waves. … *Some of the terminology that refers to "SV waves" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…縦波の伝わる速度の方が横波より速いので,P波が先に到着するのである。S波のうち,地表面に平行に振動する成分をSH波,他をSV波と呼ぶ。P波,S波ともに震源から四方八方へ三次元的に伝わり,実体波と呼ばれる。… ※「SV 波」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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