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Paleoliquefaction : ウィキペディア英語版 | Paleoliquefaction
Paleoliquefaction is the liquefaction features attributed to seismic events occurring before measurements or detailed records were kept of earthquakes. The study of these features can reveal a great deal about the seismicity of regions where large earthquakes happen infrequently. This is a subset of the broader field of paleoseismology. Paleoliquefaction studies in areas like the New Madrid Seismic Zone, and the Wabash Valley have helped scientists and engineers determine the severity of ground shaking to expect when planning for future earthquakes. ==Paleoliquefaction features== As described in the liquefaction article, this phenomenon has the effect of a soil losing its shear strength and behaving like a fluid. This liquefied soil (most often sand) flows like water, leaving several kinds of evidence behind in the geologic record.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Paleoliquefaction」の詳細全文を読む
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