Post-seismic permeability change in a shallow fractured aquifer following a ML 5.1 earthquake (Fourbanne karst aquifer, Jura outermost thrust unit, eastern France) -: art. no. L18406

被引：35

作者：

Charmoille, A

Fabbri, O

Mudry, J

Guglielmi, Y

Bertrand, C

机构：

[1] Univ Franche Comte, EA 2642, Lab Geosci, F-25030 Besancon, France

[2] UNSA, CNRS, UMR 6526, F-06560 Valbonne, France

来源：

GEOPHYSICAL RESEARCH LETTERS | 2005年 / 32卷 / 18期

关键词：

D O I：

10.1029/2005GL023859

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Following a M-L 5.1 earthquake in eastern France, a post-seismic 12-day long electrical conductivity increase was recorded in the water discharging from a karst aquifer located 3 km from the epicentre. We attribute this to a permeability enhancement which allowed long-residence time water from low-permeability fractures located in the saturated zone to be expelled. The permeability enhancement shows that shallow aquifers can be significantly deformed for several days by moderate magnitude earthquakes.

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页码：1 / 5

页数：5

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