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单词 Strong ground motion
释义

Strong ground motion

英语百科

Strong ground motion

ShakeMap for 2001 M6.8 Olympia, WA earthquake

"Peak ground velocity" redirects here.

Seismologists usually define strong ground motion as the strong earthquake shaking that occurs close to (less than about 50 km from) a causative fault. The strength of the shaking involved in strong ground motion usually overwhelms a seismometer, forcing the use of accelerographs (or strong ground motion accelerometers) for recording. The science of strong ground motion also deals with the variations of fault rupture, both in total displacement, energy released, and rupture velocity.

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更新时间:2025/6/19 0:48:23