Boils with flows of grey coloured silty sand / sandy silt liquefied material.

The Earthquake Engineering Research Institute (EERI) is a national, nonprofit, technical society of engineers, geoscientists, architects, planners, public officials, and social scientists. EERI members include researchers, practicing professionals, educators, government officials, and building code regulators. The objective of EERI is to reduce earthquake risk by advancing the science and practice of earthquake engineering; improving understanding of the impact of earthquakes on the physical, social, economic, political, and cultural environment; and advocating comprehensive and realistic measures for reducing the harmful effects of earthquakes.

Earthquake Engineering Research Institute
499 14th Street, Suite 220, Oakland, CA 94612-1934 USA
phone: 510-451-0905 | fax: 510-451-5411 | email: eeri@eeri.org