Fig. 5

a Measured co-post-seismic groundwater head fluctuation in Chou-Shui River alluvial fan during the 1999 MW = 7.5 Chi-Chi Earthquake. b Comparison of pre-co-post-seismic change in groundwater head
a Measured co-post-seismic groundwater head fluctuation in Chou-Shui River alluvial fan during the 1999 MW = 7.5 Chi-Chi Earthquake. b Comparison of pre-co-post-seismic change in groundwater head