1987年 Whittier Narrows 地震による都市型震害とその分析

Abstract

Seismic damage in Los Angeles and its east suburban region caused by the 1987Whittier Narrows Earthquake is reported. After describing the general picture ofthe earthquake and the damage caused by it, the main body of the paper puts em-phasis on the nature of the earthquake that took place in the midst of a metropoli-tan urban region. Details of damage to lifeline systems are described, includingwater supply systems, gas supply systems, and electric power systems. On the basisof the dispatch record as the Los Angeles County Fire Department, the seismicdamage is analyzed from the point of view of physical process of damage andhuman response.