M. Battaglia, On pyroclastic flow emplacement, J. Geophys. Res, vol.98, pp.22269-22272, 1993.

P. Bareschino, A. Marzocchella, P. Salatino, L. Lirer, and P. Petrosino, Selffluidization of subaerial rapid granular flows, Powder Technol, vol.182, pp.323-333, 2008.

R. J. Blong, Volcanic Hazards, 1984.

M. J. Branney and P. Kokelaar, A reappraisal of ignimbrite emplacement: progressive aggradation and changes from particulate to non-particulate flow during emplacement of high-grade ignimbrite, Bull. Volcanol, vol.54, pp.504-520, 1992.

E. C. Breard, L. , and G. , Inside pyroclastic density currents-uncovering the enigmatic flow structure and transport behavior in large-scale experiments, Earth Planet. Sci. Lett, vol.458, pp.22-36, 2017.

P. D. Cole, E. S. Calder, T. H. Druitt, R. Hoblitt, R. Robertson et al., Pyroclastic flows generated by gravitational instability of the 1996-97 lava dome of Soufriere Hills Volcano, Geophys. Res. Lett, vol.25, pp.3425-3428, 1998.

P. D. Cole, E. S. Calder, R. S. Sparks, A. B. Clarke, T. H. Druitt et al., Deposits from dome-collapse and fountain-collapse pyroclastic flows at Soufriere Hills Volcano, Geol. Soc. Mem, vol.21, pp.231-262, 2002.

T. H. Druitt, Pyroclastic density currents, The physics of Explosive Volcanic Eruptions, vol.145, pp.145-182, 1998.
URL : https://hal.archives-ouvertes.fr/hal-01133621

T. H. Druitt, G. Bruni, P. Lettieri, and J. G. Yates, The fluidization behaviour of ignimbrite at high temperature and with mechanical agitation, Geophys. Res. Lett, vol.31, pp.1-5, 2004.

T. H. Druitt, G. Avard, G. Bruni, P. Lettieri, and F. Maez, Gas retention in finegrained pyroclastic flow materials at high temperatures, vol.69, pp.881-901, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00328920

J. Dufek, The fluid mechanics of pyroclastic density currents, Annu. Rev. Fluid Mech, vol.48, pp.459-485, 2016.

I. Eames and M. A. Gilbertson, The flow of aerated particles over a horizontal rigid surface, J. Fluid Mech, vol.424, pp.169-195, 2000.

G. Midi, On dense granular flows, Eur. Phys. J. E, vol.14, pp.341-365, 2004.
URL : https://hal.archives-ouvertes.fr/hal-00000959

D. Geldart, Types of gas fluidization, Powder Technol, vol.7, issue.5, pp.285-292, 1973.

L. Girolami, O. Roche, T. H. Druitt, and T. Corpetti, Particle velocity fields and depositional processes in laboratory ash flows, with implications for the sedimentation of dense pyroclastic flows, Bull. Volcanol, vol.72, issue.6, pp.747-759, 2010.
URL : https://hal.archives-ouvertes.fr/hal-00522979

R. M. Iverson, The physics of debris flows, Rev. Geophys, vol.35, pp.245-296, 1997.

R. M. Iverson and R. P. Denlinger, Flow of variably fluidized granular masses across three-dimensional terrain 1. Coulomb mixture theory, J. Geophys. Res, vol.106, pp.537-552, 2001.

D. E. Jessop, K. Kelfoun, P. Labazuy, A. Mangeney, O. Roche et al., LiDAR derived morphology of the 1993 Lascar pyroclastic flow deposits, and implication for flow dynamics and rheology, J. Volcanol. Geotherm. Res, vol.245, pp.81-97, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00787536

, Confidential manuscript submitted to Geophysical research letter ©, 2017.

C. G. Johnson, B. P. Kokelaar, R. M. Iverson, M. Logan, R. G. Lahusen et al., Grain-size segregation and levee formation in geophysical mass flows, Journal of Geophysical Research, vol.117, p.1032, 2012.

K. Kelfoun and T. H. Druitt, Numerical modeling of the emplacement of Socompa rock avalanche, J. Geophys. Res, vol.110, p.12202, 2005.

K. Kelfoun, P. Samaniego, P. Palacios, and D. Barba, Testing the suitability of frictional behaviour for pyroclastic flow simulation by comparison with a wellconstrained eruption at Tungurahua volcano (Ecuador), Bull. Volcanol, vol.71, pp.1057-1075, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00449386

K. Kelfoun, Suitability of simple rheological laws for the numerical simulation of dense pyroclastic flows and long-runout volcanic avalanches, J. Geophys. Res, vol.116, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00682509

B. P. Kokelaar, R. L. Graham, J. M. Gray, and J. W. Vallance, Fine-grained linings of leveed channels facilitate runout of granular flows, Earth Planet. Sci. Lett, vol.385, pp.172-180, 2013.

G. Lube, H. E. Huppert, R. S. Sparks, and A. Freundt, Static and flowing regions in granular collapses down channels, Phys. Fluids, vol.19, p.43301, 2007.

A. Mangeney, F. Bouchut, N. Thomas, J. P. Vilotte, and M. O. Bristeau, Numerical modeling of self-channelling granular flows and of their levée channel deposits, J. Geophys. Res, vol.112, p.2017, 2007.

N. Mangold, F. Costard, and F. Forget, Debris flows over sand dunes on Mars: Evidence for liquid water, J. Geophys. Res, vol.108, issue.E4, p.5027, 2003.

S. Montserrat, A. Tamburrino, O. Roche, Y. Niño, and C. F. Ihle, Enhanced run-out of dam-break granular flows caused by initial fluidization and initial material expansion, Granul. Matt, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01637427

D. M. Palladino and G. A. Valentine, Coarse-tail vertical and lateral grading in pyroclastic flow deposits of the Latera Volcanic Complex (Vulsini, central Italy): Origin and implications for flow dynamics, J. Volcanol. Geotherm. Res, vol.69, pp.343-364, 1995.

O. Pouliquen and Y. Forterre, Friction law for dense granular flows: application to the motion of a mass down a rough inclined plane, J. Fluid Mech, vol.453, pp.133-151, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01432227

M. J. Rhodes, Introduction to Particle Technology, p.466, 1998.

O. Roche, Depositional processes and gas pore pressure in pyroclastic flows: an experimental perspective, Bull. Volcanol, vol.74, issue.8, pp.1807-1820, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00793602

O. Roche, S. Montserrat, A. Niño, and . Tamburrino, Experimental observations of water-like behavior of initially fluidized, dam break granular flows and their relevance for the propagation of ash-rich pyroclastic flows, J. Geophys. Res, vol.113, p.12203, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00381402

O. Roche, D. C. Buesch, and G. A. Valentine, Slow-moving and far-travelled pyroclastic flows during the Peach Spring super-eruption, Nat. Comm, vol.7, p.10890, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01637183

P. D. Rowley, M. A. Kuntz, and N. S. Macleod, Pyroclastic-flow deposits, U.S. Geol. Surv. Prof. Pap, vol.1250, pp.489-512, 1991.

R. Saucedo, J. L. Macias, M. F. Sheridan, M. I. Bursik, and J. C. Komorowski, Modeling of pyroclastic flows of Colima Volcano, Mexico : implications for hazard assessment, vol.139, pp.103-115, 2005.

F. Stilmant, M. Pirotton, P. Archambeau, S. Erpicum, and B. Dewals, Can the collapse of a fly ash heap develop into an air-fluidized flow?, Geomorpho, vol.228, pp.746-755, 1961.

R. S. Sparks, Grain size variations in ignimbrite and implication for the transport of pyroclastic flows, Sedimentology, vol.23, pp.147-188, 1976.

R. S. Sparks, Gas release rates from pyroclastic flows: an assessment of fluidization in their emplacement, Bull. Volcanol, vol.41, pp.1-9, 1978.

R. S. Sparks and L. Wilson, Theoretical modelling of the generation, movement and emplacement of pyroclastic flows by column collapse, J. Geophys. Res, vol.83, pp.1727-1739, 1978.

R. S. Sparks, M. C. Gardeweg, E. S. Calder, and S. J. Matthews, Erosion by pyroclastic flows on Lascar, vol.58, pp.557-565, 1997.
DOI : 10.1007/s004450050162

R. Sulpizio, P. Dellino, D. M. Doronzo, and D. Sarocchi, Pyroclastic density currents: state of the art and perspectives, J. Volcanol. Geotherm. Res, vol.283, pp.36-65, 2014.

C. J. Wilson, The role of fluidization in the emplacement of pyroclastic flow 2. Experimental results and their interpretation, J. Volcanol. Geotherm. Res, vol.20, pp.55-78, 1984.

O. Yilmaz, R. C. Nolen-hoeksema, and A. Nur, Pore pressure profiles in fractured and compliant rocks, Geophys, vol.42, pp.693-714, 1994.
DOI : 10.1111/j.1365-2478.1994.tb00236.x