Fig. 3: Failure due to seismic action: (a) slab unseating in Japan, 1964 (© The Japanese Geotechnical Society); (b) slab unseating in the US, 1989 (Credit: U.S. Geological Survey/photo by C.E. Meyer)

Fig. 3: Failure due to seismic action: (a) slab unseating in Japan, 1964 (© The Japanese Geotechnical Society); (b) slab unseating in the US, 1989 (Credit: U.S. Geological Survey/photo by C.E. Meyer)