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Metadata
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ID
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N-II-07-JP
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Abstract
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United States Geological Survey, Menlo Park,
California,Purdue University,Oregon State
University,University of California at Los Angeles,Kobe
University,Pacific Gas and Electric Company,Kyoto
University,University of Tokyo,Nagoya Institute of
Technology,Tokyo Institute of Technology,California
Department of Transportation,Earthquake Engineering Research
Institute,Geo-Engineering Earthquake Reconnaissance. Chief
Scientists: Rob Kayen, Co-Leader, U.S. Geological Survey,
Santiago Pujol, Co-Leader, Purdue University. Geotechnical
and Photo data (terrestrial lidar scanner) of field activity
N-II-07-JP in Niigata, Japan from 07/19/2007 to 07/24/2007
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Organization
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United States Geological Survey, Menlo Park, California
Purdue University
Oregon State University
University of California at Los Angeles
Kobe University
Pacific Gas and Electric Company
Kyoto University
University of Tokyo
Nagoya Institute of Technology
Tokyo Institute of Technology
California Department of Transportation
Earthquake Engineering Research Institute
Geo-Engineering Earthquake Reconnaissance
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Chief Scientist
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Rob Kayen
Santiago Pujol
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Activity Type
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Geotechnical and Photo
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Platform
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Land
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Area of Operation
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Niigata, Japan
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Location map
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Bounding Coordinates
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37.53702
138.43828 138.77613
37.32223
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Dates
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07/19/2007 (JD 200) to 07/24/2007 (JD 205)
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Analog Materials
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No analog holdings.
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Index maps
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Information Specialist
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Crew
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Rob Kayen
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Co-Leader, U.S. Geological Survey
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Santiago Pujol
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Co-Leader, Purdue University
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Brian Collins
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U.S. Geological Survey
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Scott Ashford
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Oregon State University
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Steve Dickenson
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Oregon State University
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Yohsuke Kawamata
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Oregon State University
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Scott J. Brandenburg
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University of California at Los Angeles
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Yasuo Tanaka
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Kobe University
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Hidetaka Koumoto
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Kobe University
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Norm Abrahamson
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Pacific Gas and Electric Company
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Ben Tsai
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Pacific Gas and Electric Company
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Laurie Johnson
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Kyoto University
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Yousok Kim
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University of Tokyo
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Toshimi Kabeyasawa
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University of Tokyo
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Nanako Marubashi
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Nagoya Institute of Technology
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Kahji Tokimatsu
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Tokyo Institute of Technology
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Peter Yanev
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Mark Yashinsky
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California Dept. of Transportation
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Equipment Used
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terrestrial lidar scanner
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Purpose
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Geotechnical reconnaissance of earthquake damage is
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performed following major earthquakes worldwide in order to document
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and assess how large earthquakes affect the land and build
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infrastructure.
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Summary
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The primary M6.6 tremor of the Niigata Chuetsu Oki (offshore)
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earthquake occurred at 10:13 a.m local time on July 16, 2007,
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http://earthquake.usgs.gov/eqcenter/eqinthenews/2007/us2007ewac/#details
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and was
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followed by a sequence of aftershocks that were felt during the entire
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time of the reconnaissance effort.
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The event had a shallow focal depth of 10 km and struck in the Japan
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Sea offshore Kariwa.
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The quake affected an approximately 100 km-wide
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area along the coastal areas of southwestern Niigata prefecture.
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The
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event triggered ground failures as far inland as the Unouma Hills, in
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central Niigata, the source area of the 2004 Niigata Chuetsu
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earthquake.
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The primary event produced tsunami run-ups along the
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shoreline of southern Niigata that reached maximum heights of about
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20 centimeters.
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Notes
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The reconnaissance was a combined effort of the Earthquake
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Engineering Research Institute (EERI) - Learning From Earthquakes,
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and the Geo-Engineering Earthquake Reconnaissance (GEER) activity of
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National Science Foundation (NSF).
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EERI and GEER dispatched the first reconnaissance team to
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Niigata, Japan, within three days of the earthquake.
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The EERI-GEER
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team was led by Robert Kayen of the United States Geological Survey
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(USGS) and composed of Scott Ashford, Steve Dickenson, and Yohsuke
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Kawamata from the Department of Civil Engineering at the Oregon State
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University; Brian Collins at the USGS; and Scott Brandenburg of the
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University of California at Los Angeles.
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EERI supported the
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reconnaissance of structural engineer Santiago Pujol (co-leader) of
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Purdue University.
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The EERI team also included
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Laurie Johnson (Kyoto University),
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Yousok Kim (University of Tokyo),
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Toshimi Kabeyasawa (University of Tokyo),
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Nanako Marubashi (Nagoya Institute of Technology),
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Kahji Tokimatsu (Tokyo Institute of Technology),
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Peter Yanev, and
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Mark Yashinsky (California Dept. of Transportation).
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The EERI-GEER team was joined by international
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GEER members Prof. Yasuo Tanaka and graduate student Hidetaka Koumoto
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of Kobe University.
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Norm Abrahamson synthesized the seismological
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information about the event.
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Photographs in Virtual Globes
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metadata: [ |
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TARGET="dynamic">http://walrus.wr.usgs.gov/infobank/n/nii07jp/cam/n-ii-07-jp.photo.html].
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Publications
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Web-based report is available on line at:
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http://www.eeri.org
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Web-based report is available on line at:
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http://gees.usc.edu/GEER/.
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Keyen, Robert, Collins, Brian, Abrahamson, Norm, Ashford, Scott,
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Brandenberg, Scott J., Cluff, Lloyd, Dickenson, Stephen, Johnson, Laurie,
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Tanaka, Yasuo, Tokimatsu, Kohji, Kabeyasawa, Toshimi, Kawamata, Yohsuke,
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Koumoto, Hidetaka, Marubashi, Nanako, Pujol, Santiago, Steele, Clint, Sun,
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Joseph I., Tsai, Ben, Yanev, Peter, Yashinsky, Mark, and Yousok, Kim, 2007.
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Investigation of the M6.6 Niigata-Chuetsu Oki, Japan, earthquake of July
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16, 2007: U.S. Geological Survey Open-File Report 2007-1365, 230 p.
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[http://pubs.usgs.gov/of/2007/1365/
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Kayen, Rob, 2008, USGS Researchers Lead International Team Investigating
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Damange Caused by Offshore Earthquake Near World's Largest Nuclear Power Plant
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in Japan, USGS Sound Waves Monthly Newsletter, Jan./Feb. 2008, available on
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line at:
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http://soundwaves.usgs.gov/2008/01/
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Got Help?
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For N-II-07-JP, we would appreciate any information on -- analog materials, contract, days at sea, dive count, funding, information to be derived, kms of navigation, national plan, NGDC Info, owner, ports, project, project number, scanned materials, seismic description, station count, station description, submersible, tabulated info.
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