Implications for earthquake risk reduction in the United States from the Kocaeli, Turkey, earthquake of August 17, 1999

T. L. Holzer, A. A. Barka, D. Carver, M. Celebi, E. Cranswick, T. Dawson, J. H. Dieterich, W. L. Ellsworth, T. Fumal, J. L. Gross, R. Langridge, W. R. Lettis, M. Meremonte, C. Mueller, R. S. Olsen, O. Ozel, T. Parsons, L. T. Phan, T. Rockwell, E. SafakR. S. Stein, H. Stenner, S. Toda, S. Toprak

研究成果: Article査読

38 被引用数 (Scopus)


The moment magnitude (MW) 7.4 Kocaeli, Turkey, earthquake struck the Kocaeli province of northwestern Turkey on Tuesday, August 17, 1999, at 3:02 a.m. local time. The cause of the earthquake was the sudden breakage, or rupture, of the Earth's crust along a western branch of the 1,500-km-long North Anatolian fault system. The total length of the fault rupture was about 110 km. The region hit by the earthquake is the industrial heartland and the most densely populated section of Turkey. According to official Turkish government estimates, the earthquake caused 17,127 deaths and 43,953 injuries, and displaced more than 250,000 people. Approximately 121 tent cities were required for emergency housing. Approximately 214,000 residential units and 30,500 business units were lightly to heavily damaged. Most of the collapsed and damaged buildings were of reinforced concrete construction. Their poor performance was due primarily to the poor quality of construction and failure to enforce the local building code. Peak ground accelerations recorded close to the fault were below average for a MW 7.4 event. The earthquake's strong velocity pulse and long duration, however, were important factors in the collapse of and damage to residences. Immediately following the earthquake, the USGS was invited by the Kandilli Observatory and Earthquake Research Institute of Bogazici University in Istanbul, Turkey, to assist in its post-earthquake investigations. Teaming up with representatives from the National Institute of Standards and Technology and the U.S. Army Corps of Engineers, the reconnaissance teams documented the following implications for earthquake risk reduction in the United States.

ジャーナルUS Geological Survey Circular
出版ステータスPublished - 2000

ASJC Scopus subject areas

  • 水の科学と技術
  • 海洋工学
  • 地質学


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