Search - Archive ouverte HAL Access content directly

Filter your results

31 Results
Image document

Repeating low frequency icequakes in the Mont-Blanc massif triggered by snowfalls

Agnès Helmstetter
2022
Preprints, Working Papers, ... hal-03754592v2
Image document

Towards a standard typology of endogenous landslide seismic sources

Floriane Provost , Jean-Philippe Malet , Clément Hibert , Agnès Helmstetter , Mathilde Radiguet et al.
Earth Surface Dynamics, 2018, 6 (4), pp.1059-1088. ⟨10.5194/esurf-6-1059-2018⟩
Journal articles hal-02284415v1
Image document

Fluid‐Induced Swarms and Coseismic Stress Transfer: A Dual Process Highlighted in the Aftershock Sequence of the 7 April 2014 Earthquake (Ml 4.8, Ubaye, France)

Louis de Barros , Marion Baques , Maxime Godano , Agnès Helmstetter , Anne Deschamps et al.
Journal of Geophysical Research : Solid Earth, 2019, 124 (4), pp.3918-3932. ⟨10.1029/2018JB017226⟩
Journal articles hal-02200605v1
Image document

Afterslip and aftershocks in the rate-and-state friction law

Agnès Helmstetter , Bruce E. Shaw
Journal of Geophysical Research, 2009, 114 (B01308), 1 à 24 p. ⟨10.1029/2007JB005077⟩
Journal articles insu-00373065v1
Image document

Earthquake risk in reinforced concrete buildings during aftershock sequences based on period elongation and operational earthquake forecasting

Konstantinos Trevlopoulos , Philippe Guéguen , Agnès Helmstetter , Fabrice Cotton
Structural Safety, 2020, 84, ⟨10.1016/j.strusafe.2020.101922⟩
Journal articles hal-03025682v1
Image document

Seismic monitoring in the Gugla rock glacier (Switzerland): ambient noise correlation, microseismicity and modeling

Antoine Guillemot , Agnes Helmstetter , Éric Larose , Laurent Baillet , Stephane Garambois et al.
Geophysical Journal International, 2020, 221 (3), pp.1719-1735. ⟨10.1093/gji/ggaa097⟩
Journal articles hal-03026049v1
Image document

Mainshocks are aftershocks of conditional foreshocks: how to foreshock statistical properties emerge from aftersock laws.

Agnès Helmstetter , D. Sornette , Jean-Robert Grasso
Journal of Geophysical Research : Solid Earth, 2003, 108 (B1), pp.2046. ⟨10.1029/2002JB001991⟩
Journal articles hal-00109914v1
Image document

Modal sensitivity of rock glaciers to elastic changes from spectral seismic noise monitoring and modeling

Antoine Guillemot , Laurent Baillet , Stephane Garambois , Xavier Bodin , Agnès Helmstetter et al.
The Cryosphere, In press, ⟨10.5194/tc-15-501-2021⟩
Journal articles hal-03026417v1

Le point sur les auscultations (nivellement, extensométrie, GPS, sismicité) autour de l'effondrement minier de Mas Caché (Chartreuse méridionale).

Gilles Ménard , Didier Hantz , Agnès Helmstetter , D. Hervé , Pascal Lacroix et al.
Journées Aléa Gravitaire, 2013, Grenoble, France
Conference papers hal-00981998v1
Image document

Unprecedented seismic swarm in the Maurienne valley (2017–2019) observed by the SISmalp Alpine seismic network: operational monitoring and management

Philippe Gueguen , Gaël Janex , Jérôme Nomade , Mickaël Langlais , Agnès Helmstetter et al.
Comptes Rendus. Géoscience, 2022, Seismicity in France, 353 (S1), pp.517-534. ⟨10.5802/crgeos.70>⟩
Journal articles hal-03633666v1
Image document

Rupture et instabilités : sismicité et mouvements de terrain

Agnès Helmstetter
Géophysique [physics.geo-ph]. Université Joseph-Fourier - Grenoble I, 2002. Français. ⟨NNT : ⟩
Theses tel-00010935v1
Image document

Statistical analysis of rockfall volume distributions: implications for rockfall dynamics.

C. Dussauge , Jean-Robert Grasso , Agnès Helmstetter
Journal of Geophysical Research : Solid Earth, 2003, 108 (B6), pp.2286. ⟨10.1029/2001JB000650⟩
Journal articles hal-00109913v1

The small rock avalanche of January 9, 2016 from the calcareous NW pillar of the iconic Mont Granier (1933 m a.s.l., French Alps).

Ludovic Ravanel , David Amitrano , Philip Deline , Xavi Gallach , Agnès Helmstetter et al.
EGU 2016, Apr 2016, Vienne, Austria. 2016
Poster communications hal-01757994v1
Image document

Seismic monitoring of soft-rock landslides: the Super-Sauze and Valoria case studies

Alice Tonnellier , Agnès Helmstetter , Jean-Philippe Malet , Jean Schmittbuhl , Alessandro Corsini et al.
Geophysical Journal International, 2013, 193 (3), pp.1515-1536. ⟨10.1093/gji/ggt039⟩
Journal articles hal-02323462v1

High-Resolution Long-Term and Short-Term Earthquake Forecasts for California

Maximilian J. Werner , Agnès Helmstetter , David D. Jackson , Yan Y. Kagan
Bulletin of the Seismological Society of America, 2011, 101 (4), pp.1630-1648. ⟨10.1785/0120090340⟩
Journal articles insu-00681812v1

Towards mechanical modeling of rock glaciers from modal analysis of passive seismic data

Antoine Guillemot , Laurent Baillet , Stéphane Garambois , Xavier Bodin , Éric Larose et al.
EGU 2020, May 2020, Vienne, Austria. ⟨10.5194/egusphere-egu2020-13874⟩
Conference papers hal-03083937v1
Image document

Sea Ice Thickness and Elastic Properties From the Analysis of Multimodal Guided Wave Propagation Measured With a Passive Seismic Array

Ludovic Moreau , Pierre Boué , Agathe Serripierri , Jérôme Weiss , Daniel Hollis et al.
Journal of Geophysical Research. Oceans, 2020, 125 (4), ⟨10.1029/2019JC015709⟩
Journal articles hal-03014333v1

Rockfall localization attempts using small seismic array

Clara Lévy , Agnes Helmstetter , David Amitrano , Fabrice Guyoton , Gaëlle Leroy et al.
Journées Aléas Gravitaires (JAG), Catherine Bertrand, Université de Bourgogne Franche-Comté, Jean-Philippe Malet, Université de Strasbourg, Michel Jaboyedoff, Université de Lausanne, Oct 2017, Besançon, France
Conference papers hal-01591317v1

Multi-method diachronic approach of the rockfalls and landslides at Mont Granier (1933 m a.s.l., Chartreuse Massif, French Alps).

Fabien Hoblea , David Amitrano , Laurent Astrade , Suzanne Barnave , André Buffle et al.
EGU 2018, Apr 2018, Vienne, Austria. 2018
Poster communications hal-01757095v1
Image document

Seismic monitoring of Séchilienne rockslide (French Alps): Analysis of seismic signals and their correlation with rainfalls

Agnès Helmstetter , Stéphane Garambois
Journal of Geophysical Research, 2010, 115, pp.03016. ⟨10.1029/2009JF001532⟩
Journal articles insu-00565086v1

Modal sensitivity of rock glaciers to elastic changes from spectral seismic noise monitoring and modeling

Antoine Guillemot , Laurent Baillet , Stéphane Garambois , Xavier Bodin , Agnès Helmstetter et al.
2020
Preprints, Working Papers, ... hal-03001326v1
Image document

Rayleigh waves in seismic signals of rockfalls

Clara Lévy , Agnès Helmstetter , David Amitrano , Gaëlle Le Roy , Fabrice Guyoton et al.
4th RSS Rock Slope Stability Symposium, Nov 2018, Chambéry, France
Conference papers hal-01815453v1

Location of Seismic Signals Associated with Microearthquakes and Rockfalls on the Séchilienne Landslide, French Alps

Pascal Lacroix , Agnès Helmstetter
Bulletin of the Seismological Society of America, 2011, 101 (1), pp.341-353. ⟨10.1785/0120100110⟩
Journal articles insu-00680820v1
Image document

Basal icequakes recorded beneath an Alpine glacier (Glacier d 'Argentiere, MontBlanc, France): evidence for stick-slip motion

Agnès Helmstetter , Barbara Nicolas , Pierre Comon , Michel Gay
Journal of Geophysical Research: Earth Surface, 2015, 120 (3), pp.379-401. ⟨10.1002/2014JF003288⟩
Journal articles hal-01118884v1

Seismic characterization of clay-block ruptures in the Harmalière landslide (French Western Alps)

Sylvain Fiolleau , Denis Jongmans , Grégory Bièvre , Guillaume Chambon , Agnès Helmstetter et al.
EGU General Assembly, Apr 2018, Vienna, Austria
Poster communications hal-02001823v1
Image document

Adaptively smoothed seismicity earthquake forecasts for Italy

Maximilian J. Werner , Agnès Helmstetter , David D. Jackson , Yan Y. Kagan , Stefan Wiemer et al.
Annals of Geophysics, 2010, 53, Pas de N° de page. ⟨10.4401/ag-4839⟩
Journal articles insu-00565379v1
Image document

Tensor decomposition exploiting diversity of propagation velocities; application to localization of icequake events

Francesca Raimondi , Pierre Comon , Olivier J.J. Michel , Souleymen Sahnoun , Agnes Helmstetter et al.
Signal Processing, 2016, 118, pp.75 - 88. ⟨10.1016/j.sigpro.2015.06.015⟩
Journal articles hal-01118401v2
Image document

Intermediate-depth icequakes and harmonic tremor in an Alpine glacier (glacier d 'Argentiere,France): evidence for hydraulic fracturing

Agnes Helmstetter , Luc Moreau , Barbara Nicolas , Pierre Comon , Michel Gay et al.
Journal of Geophysical Research: Earth Surface, 2015, 120 (3), pp.402-416. ⟨10.1002/2014JF003289⟩
Journal articles hal-01118889v1
Image document

Slider block friction model for landslides: Application to Vaiont and La Clapiere landslides

Agnès Helmstetter , D. Sornette , J.R. Grasso , Jørgen Vitting Andersen , S. Gluzman et al.
Journal of Geophysical Research : Solid Earth, 2004, 109 (B2), pp.B02409. ⟨10.1029/2002JB002160⟩
Journal articles hal-00109500v1
Image document

Changes in effective stress during the 2003-2004 Ubaye seismic swarm, France

Guillaume Daniel , Elodie Prono , Francois Renard , François Thouvenot , S. Hainzl et al.
Journal of Geophysical Research : Solid Earth, 2011, 116, pp.B01309. ⟨10.1029/2010JB007551⟩
Journal articles insu-00679798v1