French-Japanese Seminar on Earthquakes and Tsunamis 13 – 14 November 2012 Embassy of France in Japan, Tokyo Seminar Room - 1F
Tuesday 13 November 2012 08:00
Opening of the registration desk
08:35 – 08:40
Opening Remarks Dr. Florence RIVIERE-BOURHIS (Counselor for Science and Technology, Embassy of France in Japan)
08:40 – 09:10
Impact of the 2011 Tohoku-oki earthquake on Japanese Island arc Pr. Naoshi HIRATA Earthquake Research Institute (ERI), University of Tokyo
Session 1: Great East Japan Earthquake Moderator: Pr. Kenji SATAKE Earthquake Research Institute (ERI), University of Tokyo
09:10 – 09:30
Rupture process of the 2011 Tohoku-oki earthquake and absolute elastic strain release Pr. Yuji YAGI Faculty of Life and Environmental Sciences, University of Tsukuba
09:30 – 09:50
A second version of the unified source model for the 2011 Tohoku earthquake Pr. Kazuki KOKETSU Earthquake Research Institute (ERI), University of Tokyo
09:50 – 10:10
Great diversity of segmentation associated with megathrust earthquakes: Along-dip double segmentation of the 2011 Tohoku earthquake Pr. Kiyoshi YOMOGIDA Earth and Planetary Dynamics, Hokkaido University
10:10 – 10:30
The Tohoku mega earthquake of 11 March 2011: interaction between rupture dynamics and the accretionary prism Pr. Raul MADARIAGA and Sébastien HOK Ecole Normale Supérieure, Paris
10:30 – 11:00
Coffee break
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Session 1 (cont’d): Great East Japan Earthquake Moderator: Pr. Kenji SATAKE Earthquake Research Institute (ERI), University of Tokyo
11:00 – 11:20
Imaging the Tohoku earthquake rupture from land, ocean and space measurements Dr. Anthony SLADEN GEOAZUR
11:20 – 11:40
Fast calculation of centroid moment tensor of very large earthquakes Pr. Luis RIVERA EOST Strasbourg
11:40 – 12:00
Source study through different geophysical measurements Dr. Jocelyn GUILBERT CEA-DASE
12:00 – 12:20
Time-reversal imaging of Japan-Tohoku earthquake data Pr. Jean-Paul MONTAGNER Institut de Physique du Globe de Paris (IPGP)
12:20 – 12:40
Broadband imaging of great subduction earthquakes: Insights from the 2011 Tohoku-ori (Japan) and the 2010 off-shore Maule (Chile) earthquake ruptures, and implications for seismic hazard Pr. Jean-Pierre VILOTTE Institut de Physique du Globe de Paris (IPGP)
12:40 – 12:50
Group photo
12:50 – 14:00
Lunch break
Session 2: Variations of accelerations measured during the event Moderator: Dr. Hiroyasu KAWAI Marine Information Field, Port and Airport Research Institute (PARI)
14:00 – 14:20
Crustal seismic velocity changes and deformation associated with the giant 2011 Tohoku earthquake Dr. Florent BRENGUIER Institut des Sciences de la Terre (ISTERRE), Grenoble
14:20 – 14:40
Impact of local nonlinear soils behavior on strong ground motions during the great Tohoku earthquake Dr. Florent DE MARTIN Bureau de recherche géologique et minière (BRGM)
14:40 – 15:00
Estimated and Observed Seismic Intensity in the 2011 off the Pacific Coast of Tohoku Earthquake (The System of Earthquake Early Warning and Seismic Intensity Observation in Japan)
Mr. Masaki NAKAMURA Earthquake and Tsunami Observations Division, Seismological and Volcanological Department, Japan Meteorological Agency (JMA)
15:00 – 15:20
Response of the Matsumoto valley to the 2011 Tohoku earthquake and source influence on the site effect variability Dr. Bruno HERNANDEZ CEA-DASE
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15:20 – 15:40
Coffee break
Session 3: Continuous GPS measurements for earth surface deformation Moderator: Dr. Toshiya FUJIWARA Institute for Research on Earth Evolution, JAMSTEC
15:40 – 16:00
Crustal deformation map for the 2011 off the Pacific coast of Tohoku earthquake, detected by InSAR analysis combined with GEONET data Dr. Tomokazu KOBAYASHI Geospatial Information Authority of Japan (GSI)
16:00 – 16:20
Slip distribution of the 2011 off the Pacific coast of Tohoku earthquake inferred from geodetic data Dr. Takeo ITO Graduate School of Environmental Studies, Nagoya University
16:20 – 16:40
Tilt records prior to the 2011 off the Pacific coast of Tohoku Earthquake Pr. Hitoshi HIROSE Graduate School of Science, Kobe University
16:40 – 17:00
Stress evolution along the subduction interface prior to the Tohoku earthquake: an analysis of a decade of GPS measurements Dr. Jean-Mathieu NOCQUET GEOAZUR
17:00 – 17:20
Coffee break
Session 4: Ionospheric precursor detected by continuous GPS Moderator: Pr. Luis RIVERA EOST Strasbourg
17:20 – 17:40
Ionospheric electron anomalies preceding the 2011 Tohoku-Oki and other large earthquakes Pr. Kosuke HEKI Department of Natural History Sciences, Hokkaido University
17:40 – 18:00
The ionospheric signature of the seismic rupture and tsunami of the Giant Tohoku earthquake: a new step toward remote sensing seismology? Dr. Philippe LOGNONNÉ Institut de Physique du Globe de Paris (IPGP)
18:15 – 20:15
Reception at the Residence of France
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Wednesday 14 November 2012 08:30
Opening of the registration desk
Session 5: Off the coast and offshore tsunami measurements (tsunamimeters, GPS) Moderator: Mr. Osamu KAMIGAICHI Administration Division, Seismological and Volcanological Department, Japan Meteorological Agency (JMA)
09:00 – 09:20
Significant tsunami observed at ocean-bottom pressure gauges during the 2011 off the Pacific coast of Tohoku Earthquake Dr. Takuto MAEDA Earthquake Research Institute (ERI), University of Tokyo
09:20 – 09:40
Tsunami source area of the 2011 off the Pacific coast of Tohoku Earthquake determined from tsunami arrival times at offshore observation stations and its real-time detectability Dr. Yutaka HAYASHI Seismology and Volcanology Research Department, Meteorological Research Institute (MRI), JMA
09:40 – 10:00
The 2011 Tohoku-Oki earthquake: Displacement Reaching the Trench Axis Dr. Toshiya FUJIWARA Institute for Research on Earth Evolution, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
10:00 – 10:20
The 2011 off the Pacific coast tsunami record on the GPS buoys and tide gauges in NOWPHAS network Dr. Hiroyasu KAWAI Marine Information Field, Port and Airport Research Institute (PARI)
10:20 – 10:40
Tohoku deep-sea tsunami records study through numerical modeling Dr. Hélène HÉBERT CEA-DASE
10:40 – 11:00
Measurements and impacts of the tsunami in French Polynesia Dr. Dominique REYMOND CEA-DASE
11:00 – 11:30
Coffee break
Session 6: Kanto, Tokai,Hoei Moderator: Pr. Raul MADARIAGA Ecole Normale Supérieure, Paris
11:30 – 11:50
A revised tsunami source model for the 1707 Hoei earthquake and simulation of tsunami inundation of Ryujin Lake, Kyushu, Japan Pr. Takashi FURUMURA Earthquake Research Institute (ERI), University of Tokyo
11:50 – 12:10
Interplate coupling in the Kanto region inferred from GPS strain data inversion Dr. Akemi NODA Kozo Keikaku Engineering Inc.
12:10 – 12:30
Highly resolved slip distributions of the 1944 Tonankai and the 1946 Nankai earthquakes inferred from tsunami waveforms: Possible slip on a splay fault Dr. Toshitaka BABA Earthquakes and Tsunami Research Project for Disaster Prevention, Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
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12:30 – 14:00
Lunch break
Session 7: Warning System Moderator: Dr. René CRUSEM CEA-DASE
14:00 – 14:20
Tsunami Warning disseminated by JMA and its improvements Mr. Osamu KAMIGAICHI Administration Division, Seismological and Volcanological Department, Japan Meteorological Agency (JMA)
14:20 – 14:40
Real-time tsunami forecast of near-field earthquakes using offshore tsunami data Dr. Hiroaki TSUSHIMA Seismology and Volcanology Research Department, Meteorological Research Institute (MRI), JMA
14:40 – 15:00
Estimation of earthquake magnitude for tsunami warning through the use of GNSS measurement Mr. Basara MIYAHARA Geodetic Observation Center, Geospatial Information Authority of Japan (GSI)
15:00 – 15:30
Coffee break
Session 8: Paleo-earthquakes and paleo-tsunamis Moderator: Pr. Jean-Paul MONTAGNER Institut de Physique du Globe de Paris (IPGP)
15:30 – 15:50
New insights of tsunami hazard from the 2011 Tohoku-Oki event Dr. Kazuhisa GOTO Hazard and Risk Evaluation Research Division, International Research Institute of Disaster Science (IRIDeS), Tohoku University
15:50 – 16:10
Geological investigations of unusually large tsunami deposits in the coastal lowlands along the southern Kuril Trench Dr. Futoshi NANAYAMA Geological Survey of Japan, AIST
16:10 – 16:30
Recurrence and long-term forecast of large earthquakes based on instrumental, historic and paleoseismological data Pr. Kenji SATAKE Earthquake Research Institute (ERI), University of Tokyo
16:30 – 16.50
Role of funding agencies Dr. Pierre-Yves BARD Agence Nationale de la Recherche
16:50 – 17:00
Closing Remarks Dr. Bruno FEIGNIER CEA-DASE
17:00
Seminar adjourned
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