Geotechnical Reconnaissance of the Effects of the January 17, 1995, Hyogoken-Nanbu Earthquake, Japan

Geotechnical Reconnaissance of the Effects of the January 17, 1995, Hyogoken-Nanbu Earthquake, Japan

Author: Koichi Akai

Publisher: DIANE Publishing

Published: 1997

Total Pages: 168

ISBN-13: 0788125389

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The Jan. 17, 1995, Hyogoken-Nanbu Earthquake was one of the worst disasters to hit Japan in almost half a century. It has been compared in its impact to the great Kanto (Tokyo) Earthquake of 1923. The Kobe-Osaka region held many similarities in its geologic and tectonic setting to many areas along the West Coast, and possibly, other areas of the U.S. A geotechnical reconnaissance to identify the relevant problems and issues was organized. This report provides a timely, first-hand overview of the type and extent of the geotechnical aspects of the damage.


The January 17, 1995 Hyogoken-Nanbu (Kobe) Earthquake

The January 17, 1995 Hyogoken-Nanbu (Kobe) Earthquake

Author: Riley M. Chung

Publisher:

Published: 1996

Total Pages: 0

ISBN-13:

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The January 17, 1995 Hyogoken-Nanbu earthquake of magnitude 7.2 in JMA scale (Mw = 6.9), which struck Kobe, Japan and its surrounding area was the most severe earthquake to affect that region this century. The earthquake resulted in more than 6,000 deaths and over 30,000 injuries. Fires following the earthquake incinerated the equivalent of 70 U.S. city blocks. They together destroyed over l50,000 buildings and left about 300,000 people homeless. The economic loss as a result of this earthquake is estimated to reach $2 00 billion. An investigation was conducted under the auspices of the Panel on Wind and Seismic Effects of the U.S.-Japan Program in Natural Resources to observe, document, and summarize important lessons from this earthquake that can be used to mitigate the potentially tragic impact of future earthquakes on modern urbanized communities. An 18- member team was in Japan from February 12 to February 18, 1995 to study seismology, geology, and geotechnical effects; as well as- the performance of buildings, lifelines, and fire safety systems. This document summarizes the information collected during as well as following this investigation. Key findings of the investigation include needs for research and for improvements in practices to achieve earthquake loss reduction in the United States.


Seismic Behaviour of Ground and Geotechnical Structures: Special Volume of TC 4

Seismic Behaviour of Ground and Geotechnical Structures: Special Volume of TC 4

Author: Pedro S. Seco e Pinto

Publisher: CRC Press

Published: 2021-05-30

Total Pages: 414

ISBN-13: 1000443620

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Containing papers from the Special Technical Session on Earthquake Geotechnical Engineering, this volume includes coverage of: zonation maps; liquefaction; side effects; ground motions; slope instability; seismic behaviour of slopes; dikes and dams; and warning systems.


The Hyōgo-ken Nanbu Earthquake

The Hyōgo-ken Nanbu Earthquake

Author: Earthquake Engineering Research Institute

Publisher:

Published: 1995

Total Pages: 132

ISBN-13:

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The most devastating earthquake to hit Japan since the 1923 Tokyo earthquake occurred at 5:46 A.M. local time on January 17, 1995. As this report went to press, over 5,000 people were reported killed, more than 26,000 people were injured, and over 300,000 people were left homeless. At the time of the earthquake, about 40 American engineers, scientists, and government officials were in Osaka, 30 km east of Kobe, for a joint U.S.-Japan Workshop on Urban Earthquake Hazard Reduction, co-sponsored by the Earthquake Engineering Research Institute (EERI) and the Japan Institute of Social Safety Science (ISSS), and funded by National Science Foundation (NSF). The workshop participants immediately undertook preliminary post earthquake reconnaissance efforts ... This report summarizes preliminary information gathered by the workshop participants in the first week after the earthquake. The damage caused by the magnitude 6.8 Hyogo-Ken Nanbu earthquake (Great Hanshin Earthquake Disaster) is so extensive that field investigations and cooperative studies with other organizations will continue for some time--


Geodetic And Geophysical Effects Associated With Seismic And Volcanic Hazards

Geodetic And Geophysical Effects Associated With Seismic And Volcanic Hazards

Author: José Fernandez

Publisher: Springer

Published: 2012-12-06

Total Pages: 324

ISBN-13: 3034878974

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Although geodetic monitoring techniques have been widely used in areas of seismic or volcanic activity, the difficulty inherent to their discrete nature means that they must be deployed carefully to ensure the best possible detection or sensitivity of these points (see e. g. , BALDI and UNGUENDOLI, 1987; JOHNSON and WYATT, 1994; SEGALL and MATTHEWS, 1997; Yu et al. , 2000). In many cases, a more global monitoring method, is required yet at the same time one that offers the highest level of sensitivity which enables detection of the phenomenon. Interferometry radar (InSAR) techniques have been shown to play an important role in seismic and volcanic monitoring because they cover large areas (100 x 100 km) and can be easily systematized in monitoring (see e. g. , MASSONNET and FEIGL, 1998; BDRGMANN et al. , 2000; MASSONNET and SIGMUNDSON, 2000; HANSSEN, 2001). The limitations inherent to the GPS and InSAR techniques (mainly observations at discrete surface points in the case of GPS and existence of non-coherent areas and the fact that, at present, the three displacement components cannot be obtained in SAR interferometry) can be overcome by using them together or other techniques (e. g. , PUGLISI and COLTELLI, 2001; RODRiGUEZ-VELASCO et al. , 2002; FERNANDEZ et al. , 2003).