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Workshop ERI-IPGP

25/09/2015

IPGP - Îlot Cuvier

09:00

Séminaire de sismologie, de géosciences marines et de géophysique d'exploration

Amphithéâtre

Geodynamics, earthquakes and volcanic eruptions

ERI-IPGP

http://www.ipgp.fr/fr/evenements/workshop-eri-ipgp Geodynamics, earthquakes and volcanic eruptions Mercredi 23 Septembre 2015 - Vendredi 25 Septembre 2015 Amphithéâtre de l'IPGP 1, rue Jussieu, 75005 Paris Program Wednesday, September 23: Session 1: Earthquakes and Tsunami 8:30 - 9:00 Reception 9:00 - 9:20 Introduction and welcome talks (ERI & IPGP) Claude JAUPART- Kenji SATAKE(?) 9:20 - 9:40 Kenji SATAKE: Historical and geological evidence of recurrent earthquakes and tsunamis in subduction zones 9:40 - 10:00 Jennifer WEIL- ACCARDO & Nathalie FEUILLET: Secular relative sea-level changes recorded by coral microatolls: implications for Lesser Antilles megathrust seismic behaviour 10:00 - 10:20 Takashi FURUMURA: Slab guided high-frequency wave and development of anomalously large intensity during deep events 10:20 - 10:45 Poster session: short introduction (Poster will be hanged up during the whole workshop) 11:50 - 11:10 Coffee Break 11:10 - 11:30 Giovanni OCCHIPINTI: Tohoku-Oki 2011: what we learn about Tsunami detection by ionospheric sounding 11:30 - 11:50 Clément NARTEAU: Dependence on stress for the statistics of granular avalanches and earthquakes 11:50 - 12:10 Takeshi IIDAKA: Stress field in the Tohoku region estimated from shear-wave splitting analysis 12:10 - 12:40 Martin VALLEE: Seismo-geodetic inversion of the rupture process of the Gorkha earthquake (Nepal, 2015/04/25, Mw=7.9) 12:40 - 14:00 Lunch 14:00 - 14:20 Claudio SATRIANO - Natalia POIATA: Imaging seismic sources through multi-scale seismic antenna analysis 14:20 - 14:40 Junishi FUKUDA: Space-time imaging of slow slip events near the Boso peninsula, central Japan 14:40 - 15:00 William FRANK & N. SHAPIRO: Exploring the slow-slip cycle in Guerrero through low- frequency earthquakes 15:00 - 15:20 Harsha BHAT: Incorporating realistic physics in modeling earthquakes 15:20 - 15:40 Tea/Coffee Break 15:50 - 16:10 Pascal BERNARD & Frederic BOUDIN : Detection and characterization of slow slip events during the precursory phase of the M=8.2, Iquique 2014 earthquake. 16:10 - 16:30 Jean-Pierre VILOTTE: Detection and characterization of low-magnitude seismicity during the precursory phase of the M=8.2, Iquique 2014 earthquake. 16:30 - 16:50 Makiko OTANI: A fast computation method and its application to earthquake modeling 16:50 - 17:10 Anne MANGENEY: Observation and simulation of Landquakes 17:10 - 17:30 General Discussion of session 1 18:30-21:00 Dinner Buffet at IPGP - IPGP Orchestra Thursday, September 24: Session 2: Volcanology 9:00 - 9:20 Minoru TAKEO: long-period seismic signals and volcanic gas at Asama volcano 9:20 - 9:40 Patrick ALLARD: Gaseous precursors of volcanic eruptions: state-of-the-art and perspectives 9:40 - 10:00 Mie ICHIHARA: A linear relation between powers of seismic and infrasonic eruption tremor and magma discharge rates 10:00 - 10:20 Steve TAIT, Edouard KAMINSKI Guillaume CARAZZO: Dynamics of Volcanic Umbrella Clouds 10:20 - 11:00 Coffee Break 11:00 - 11:20 Anne le FRIANT & Georges BOUDON: Submarine record of volcanic island construction and collapse in the Lesser Antilles: First scientific drilling of submarine volcanic island landslides by IODP Expedition 340 11:20 - 11:40 Yosuke AOKI: Lithosphere-atmosphere-ionosphere coupling excited by an explosive eruption 11:40 - 12:00 Florent BRENGUIER: The high susceptibility of volcanic regions of Japan to seismic shaking 12:00 - 12:20 Satish SINGH: Trans-Atlantic Imaging of the Lithosphere-Asthenosphere Boundary: A Dream Comes True 12:20 - 12:50 General discussion of session 2 13:00 - 14:00 Lunch Session 3: Global and Planetary Seismology 14:00 - 14:20 Hitoshi KAWAKATSU: Lithosphere/asthenosphere system of "normal" oceanic mantle 14:20 - 14:40 Barbara ROMANOWICZ: Numerical wavefield computations and global seismic tomography: insights on mantle plumes 14:40 - 15:00 Nozomu TAKEUCHI: Seismic Tomography by Statistical Approach 15:00 - 15:20 Nobuaki FUJI: Towards waveform inversion with small boxes 15:20 - 15:40 Tea/Coffee Break 15:40 - 16:00 Eleonore STUTZMANN: The composition of broadband seismic noise 16:00 - 16:20 Kiwamu NISHIDA: Microseisms: Teleseismic body-wave microseisms from a distant storm 16:20 - 16:40 Jean-Paul MONTAGNER: Prompt gravity signal associated with earthquakes detected by superconducting gravimeter. 16:40 - 17:00 Akito ARAYA: Broadband seismic and geodetic observation using long-baseline laser strainmeters 17:00 - 17:20 Philippe LOGNONNE: The InSight Mars seismometer and Geophysical Observatory. 18:10 - 18:30 General discussion of session 3 20:00-22:00 Dinner Restaurant Friday, September 25: Day 3 10:00 - 10:30 Coffee Break 10:30 - 13:00 Meeting of Working Groups 13:00 - 14:00 Lunch 14:00 - 16:00 Plenary session: General Discussion and Conclusions Saturday, September 26: optional day Exchange meeting between students from ERI and IPGP List of Posters: Yukihiro NAKATANI: Automated detection method for interplate aftershocks of the 2011 Tohoku earthquake using ocean bottom seismometer network Loic VIENS: Toward complete extraction of basin-scale Green's functions from the ambient seismic field recorded by MeSO-net stations Osamu SANDAMBATA: Step-wise temporal change in the frequency-amplitude distribution of volcanic long period tremors at Aso volcano Yifei WU: A high resolution normal mode solution of Japan Sea" about numerical tsunami normal mode calculation Yu TAKAGI: Theoretical computation of internal co-seismic deformation in a spherical earth Yo KANNO: Sawtooth wave-like pressure change and cyclic out-gassing observed in laboratory experiment Florent ADEN-ANTONIOW: ? Agnès CHOUNET: Kevin JUHEL: Taichi KAWAMURA: Enigmatic Deep Moonquakes: Their Source Mechanism and implication for the lunar thermal mode Milena MARJANOVIC: Satish MAURYA: Hélène MIALLOT: Yasuhiro NISHIKAWA: Virgile RAKOTO: Maria SAADE: Céline VIDAL: Degassing budget of the 1257 A.D. plinian eruption of Samalas (Lombok, Indonesia) Shihao YUAN: Contacts: Jean-Paul Montagner Nobuaki Fuji Giovanni Occhipinti Patrick Allard