@article{fdi:010060337, title = {{C}auses and mechanisms of the 2011-2012 {E}l {H}ierro ({C}anary {I}slands) submarine eruption}, author = {{M}arti, {J}. and {P}inel, {V}irginie and {L}opez, {C}. and {G}eyer, {A}. and {A}bella, {R}. and {T}arraga, {M}. and {B}lanco, {M}.{J}. and {C}astro, {A}. and {R}odriguez, {C}.}, editor = {}, language = {{ENG}}, abstract = {{E}l {H}ierro eruption started on 10 {O}ctober 2011 after an unrest episode that initiated on 17 {J}uly 2011. {T}his is the first eruption in the {C}anary {I}slands that has been tracked in real time. {A}lthough being submarine and not directly observable, the data recorded allowed its reconstruction and to identify its causes and mechanisms. {S}eismicity, surface deformation, and petrological data indicate that a batch of basanitic magma coming from a reservoir located at a depth of about 25km below the {E}l {H}ierro {I}sland was emplaced at shallower depth creating a new reservoir about 10-12km above, where magma evolved until the initiation of the eruption. {T}he characteristics of seismicity and surface deformation suggest that the necessary space to accumulate magma at this shallower position, which coincides with the crust/mantle boundary beneath {E}l {H}ierro, was created in about 2months by elastic deformation and magma-driven fracturing of the crust. {A}fter this first intrusion episode, part of the magma started to migrate laterally toward the {SE} for nearly 20 km, always keeping the same depth and following a path apparently controlled by stress barriers created by tectonic and rheological contrasts in the upper lithosphere. {T}his lateral migration of magma ended with a submarine eruption at about 5 km offshore from the southern corner of {E}l {H}ierro {I}sland. {T}he total seismic energy released during the unrest episode was of 8.1 x 10(11) {J}, and the total uplift previous to the onset of the eruption was of 40 mm. {C}ombining geological, geophysical, and petrological data and numerical modeling, we propose a volcanological model of the causes and mechanisms of {E}l {H}ierro eruption that shows how the stress distribution in the crust beneath {E}l {H}ierro, which was influenced by rheological contrasts, tectonic stresses, and gravitational loading, controlled the movement and eruption of magma. {W}e also discuss the implications of this model in terms of eruption forecast in the {C}anary {I}slands.}, keywords = {{CANARIAS}}, booktitle = {}, journal = {{J}ournal of {G}eophysical {R}esearch. {S}olid {E}arth}, volume = {118}, numero = {3}, pages = {823--839}, ISSN = {0148-0227}, year = {2013}, DOI = {10.1002/jgrb.50087}, URL = {https://www.documentation.ird.fr/hor/fdi:010060337}, }