Hawai 2009

Zacharie Duputel

Seismologist, Chargé de Recherche - CNRS

 

Centre National de la Recherche Scientifique

 

Institut de Physique du Globe de Strasbourg

 

Université de Strasbourg

 

unistra   unistra   EOST   unistra

me

Latest News

April 2017
Check out our talks/posters at EGU 2017:

C. Morales, Z. Duputel, L. Rivera and H. Kanamori. Effects of 3D Earth structure on W-phase CMT parameters Poster in session EGU2017-14679, Wed, 26 Apr, 17:30–19:00, Hall X3, X3.21.

B. Gombert, Z. Duputel, R. Jolivet, L. Rivera, M. Simons, J. Jiang, C. Liang and E. Fielding A Bayesian analysis of the 2016 Pedernales (Ecuador) earthquake Poster in session EGU2017-12363, Tue, 25 Apr, 17:30–19:00, Hall X3, X3.16.

E. Klein, Z. Duputel, F. Masson, H. Yavasoglu and P. Agram. Aseismic slip and seismogenic coupling in the Marmara Sea: What can we learn from onland Geodesy? Oral in session EGU2017-8730, Thu, 27 Apr, 10:45–11:00, Room 1.61.

B. Gombert, Z. Duputel, R. Jolivet, L. Rivera and M. Simons. Revisiting the 1992 Landers earthquake: a Bayesian exploration of co-seismic slip and off-fault damage. Oral in session EGU2017-150, Fri, 28 Apr, 16:30–16:45, Room 0.31.


March 2017
Our paper on the assessment of geodetic coupling on the Main Marmara Fault has been has been accepted for publication in GRL. See Publications.


February 2017
Our paper on the 2016 Kaikoura earthquake (New Zealand) has been accepted for publication in Physics of the Earth and Planetary Interiors. See Publications.


January 2017
"Sismologie" - an App about seismology for tablet computers is now available in the App store and Google play. See http://sismologie.unistra.fr.


December 2016
I'm not going to AGU 2016 but my students/postdocs are! Check out the posters:

B. Gombert, Z. Duputel, R. Jolivet, C. Doubre, L.A. Rivera, M. Simons. A bayesian exploration of the 1992 Landers earthquake. Session T13A-2671, 1:40-6:00PM, Monday, Dec. 12 (Moscone South)

E. Klein, F. Masson, Z. Duputel, H. Yavasoglu, P. S. Agram. Need for denser geodetic network to get real constrain on the fault behavior along the Main Marmara Sea segments of the NAF, toward an optimized GPS network. Session G23A-1013, 1:40-6:00PM, Tuesday, Dec. 13 (Moscone South)

V. Ferrazzini, Z. Duputel, O. Lengliné. Hidden Structures and Magmatic Pathway Evidenced by Small Earthquakes on Piton de la Fournaise Volcano (La Réunion) Session V53A-3064, 1:40-6:00PM, Friday, Dec. 16 (Moscone South)


August 2016
Our paper on the 2015 Gorkha (Nepal) earthquake has been published in Tectonophysics. See Publications.


June 2016
Our paper on the 2015 Peru deep earthquake doublet has been published in Science Advances. See Publications.


April 2016
Our paper on the detection of a deep magmatic recharge at Piton de la Fournaise volcano using small earthquakes has been accepted for publication in GRL. See Publications.


March 2016
Our paper on the Main Himalayan Thrust (MHT) fault has been accepted for publication in GRL. We conducted a joint analysis of receiver functions and 3D CMT solutions for the 2015 Gorkha sequence to explore the geometry of the MHT. See Publications.


September 2015
Our paper on the 2014 Iquique earthquake has been accepted for publication in GRL. We used a Bayesian approach with a reliable error model to derive a probabilistic spatio-temporal image of this earthquake. See Publications.


May 2015
Through our recent IDEX project, 40 GPUs were newly installed in the Strasbourg HPC cluster. These graphics processors will be used to address large ill-posed inverse problems in Geophysics - specifically the kinematics and dynamics of large earthquakes and the imaging of the Earth's interior.


April 2015
W-phase source inversion results for the 2015 Nepal earthquake are available online:

- Mw=7.9 mainshock (2015/04/25)

- Mw=7.2 aftershock (2015/05/12)


January 2015
Our paper on the distribution of aseismic slip along the creeping section of the San Andreas fault has just been accepted for publication at GRL. See Publications and Becky Oskin paper at LiveScience.com.


November 2014
I will be at the AGU Fall Meeting.
Presentations:

M. Simons, Z. Duputel, E. Fielding, J. Genrich, J. Jiang, R. Jolivet, H. Kanamori, A. Moore, F. Ortega Culaciati, B. Riel, L. Rivera, N. Cotte, J. Klotz, E. Norabuena, A. Socquet, M. Valderas Bermejo, Pre-, Co-, and Post-Seismic Fault Slip in the Northern Chile Seismic Gap Associated with the April 1, 2014 (Mw 8.2) Pisagua Earthquake Oral session S34B-06, 5:15PM, Wednesday, Dec. 17, 303 (Moscone South)

Z. Duputel, J. Jiang, R. Jolivet, M. Simons, L. Rivera, B. Riel, S. Minson, H. Zhang, N. Cotte, J. Klotz, A. Moore, E. Norabuena, S. Owen, S. Samsonov, A. Socquet, Toward rapid determination of the source finiteness of large earthquakes, Oral session S34B-07, 5:30PM, Wednesday, Dec. 17, 303 (Moscone South)

J.J Leveque, C. Zaroli, B. Schuberth, Z. Duputel, G. Nolet, Global S-Wave Tomography Using Receiver Pairs: An Alternative to Get Rid of Earthquake Mislocation Poster session S43B-04, 1:40PM, Thursday, Dec. 18, Poster Hall (Moscone South)

Sessions:

S51C: Bayesian Methods in Solid Earth Geophysics: Sources to Structure, Oral session, 8:00AM, Friday, Dec. 19, 305 (Moscone South)

S53A: Bayesian Methods in Solid Earth Geophysics: Sources to Structure, Poster session, 1:40PM, Friday, Dec. 19, Poster Hall (Moscone South)


July 2014
Our paper on reducing the effect of earthquake mislocation in seismic tomography has been accepted for publication in GJI. See the publications page.


January 2014
Our papers on the 2013 Mw7.7 Balochistan earthquake have been accepted for publication is EPSL and BSSA. See the publications page.


December 2013
Our paper on accounting for prediction uncertainty when inferring subsurface fault slip has been accepted for publication in GJI. See the publications page.


May 2013
Our paper on using centroid time-delays to characterize source durations and identify earthquakes with unique characteristics has been accepted for publication in EPSL. See the publications page.


April 2013
Our paper on the December 7, 2012 Japan Trench intraplate doublet (Mw 7.2, 7.1) has been accepted for publication in PEPI. See the publications page.


March 2013
Our paper on extracting seismic core phases with array interferometry has been accepted for publication in GRL. See the publications page.


December 2012
My research at AGU fall meeting 2012:

Z. Duputel, H. Kanamori, V.C. Tsai, L. Rivera, L. Meng, J.-P. Ampuero and J. Stock, The Sumatra great earthquake sequence of 11 April 2012: Evidence of rupture onto multiple subfaults, Oral session S43H-03, 2:10PM, Thursday, Dec. 6, 307 (Moscone South)

L. Rivera; Z. Duputel; H. Kanamori, Toward rapid determination of the source finiteness of large earthquakes, Oral session S43H-03, 1:55PM, Thursday, Dec. 6, 307 (Moscone South)

L. Meng; J. P. Ampuero; J. M. Stock; Z. Duputel; Y. Luo; V. C. Tsai, An earthquake in a maze: compressional rupture branching during the 11 April 2012 M8.6 off-Sumatra earthquake, Oral session S13B-04, 2:25PM, Monday, Dec. 3, 307 (Moscone South)


November 2012
My Ph.D. work received the 2012 special Google Award as part of the "Le Monde" Prize for University Research. More details about this award are available here.


July 2012
Our papers on the 2012 Sumatra earthquake sequence have been accepted for publication in EPSL and Science. See the publications page.


April 2012
Our paper on Error estimations for seismic source inversions has now been accepted in GJI. See the publications page.


March 2012
My work received the "Prix de Thèse 2012" from the University of Strasbourg (award for outstanding doctoral thesis research). My thesis manuscript is available online here.


Feb 2012
Our paper on W-phase fast source inversion for moderate to large earhquakes has now been accepted in GJI. See the publications page.


Jan 2012
I moved to Caltech for a post-doctoral position in the Seismological Laboratory!


December 2011
Research related to W phase at AGU fall meeting 2011:

L. Rivera, H. Kanamori and Z. Duputel., W phase source inversion using the high-rate regional GPS data of the 2011 Tohoku-oki earthquake, Oral session G33C, 2.25 PM, Wednesday Dec. 7, Room 3024 (Moscone West).

Z. Duputel, L. Rivera, Y. Fukahata and H. Kanamori., Uncertainty estimations for seismic source inversions, Poster session S43C, 1.40 PM, Thursday Dec. 8, Halls A-C (Moscone South).


November 2011
PhD defense. Thesis committee:

   M. Campillo Université Joseph Fourier Rapporteur
   P. Bernard Institut de Physique du Globe de ParisRapporteur
   J.J. Lévêque   Université de StrasbourgRapporteur
   H. Hebert Laboratoire de Détection et de GéophysiqueExaminateur
   M. Simons California Institute of Technology Examinateur
   H. Kanamori California Institute of Technology Invited
   L. Rivera Université de Strasbourg Thesis advisor

May 2011
Our paper on accounting for prediction uncertainty when inferring subsurface fault slip has now been accepted in GJI. See the publications page.


Mar 2011
2011 Tohoku-oki earthquake: W-phase source inversion results are available online at http://eost.u-strasbg.fr/wphase/events/tohoku_oki_2011.


Oct 2010
I'm in Mexico City at the Geophisical institute of UNAM to install a real time implementation of the W-phase algorithm at a regional scale.


Apr 2010
The W-phase source inversion algorithm proved successful real-time operation for the recent Chilean event (Mw8.8). W-Phase solutions coming from different agencies have been presented at the 2010 SSA Annual Meeting.


Jan 2010
Happy New Year!!! Our paper on Near-surface Rayleigh waves has now been accepted in Geophysics. See the publications page.


Dec 2009
I'm in Hawai'i (Oahu) to install a real time implementation of W-phase inversion at the Pacific Tsunami Warning Center (PTWC). The PTWC is the tsunami warning center for Pacific, Indian Ocean, Caribbean Sea, South China Sea, western and eastern coasts of US mainland and Canada.


Dec 2009
New results coming from Mt Ruapehu, New Zealand are now published (see publications page).


Dec 2008
Our paper on the real-time monitoring of velocity changes at the Piton de la Fournaise volcano, La Réunion, is now published in JVGR (a reprint is available from my publications page).


Contact

 

Address:

IPGS - EOST
5 rue René Descarte
F-67084 Strasbourg cedex
France

 

Telephone:

+33 (0)3 68 85 00 39

 

Email:

zacharie.duputel[]unistra.fr












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