Dynamics of Liquefaction During the 1987 Superstition Hills, California, Earthquake
- 7 April 1989
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 244 (4900) , 56-59
- https://doi.org/10.1126/science.244.4900.56
Abstract
Simultaneous measurements of seismically induced pore-water pressure changes and surface and subsurface accelerations at a site undergoing liquefaction caused by the Superstition Hills, California, earthquake (24 November 1987; M = 6.6) reveal that total pore pressures approached lithostatic conditions, but, unexpectedly, after most of the strong motion ceased. Excess pore pressures were generated once horizontal acceleration exceeded a threshold value.Keywords
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