|
LIQUEFACTION This happens
when loose, moist soil or sand is shaken so hard that individual grains
separate, turning the earth into a soft, fluid that can swallow entire
buildings. The soil will turn into a
liquid. And ground motions in regions of
soft sediment are drastically affected compared to surrounding areas, so that
much greater earthquake damage results, such as that in the Marina District
of San Francisco following the 1906 and Loma Prieta
(1989) earthquakes. The port zone of Kobe, |