@article{fdi:010021330, title = {{E}njeux et incertitudes dans la gestion du risque volcanique : le cas de l'alerte jaune {\`a} {Q}uito en octobre 1998}, author = {{M}etzger, {P}ascale and {D}'{E}rcole, {R}. and {S}ierra, {A}lexis}, editor = {}, language = {{FRE}}, abstract = {{T}he abnormal activity of the {P}ichincha volcano, noted over period of several weeks, led to the announcement on {O}ctober 1, 1998, of the yellow alert in {Q}uito, capital of {E}cuador, a city of 1.5 million inhabitants situated at the foot of the volcano. {T}his rapid decision was based on the scientific criteria used by the {I}nstituto geofisico of {Q}uito, establishing several levels of alert. {T}he {IG} was declared the sole scientific authority on the subject situations, {T}he {M}ayor immediately took the matter in hand and broke new ground by advocating the principle that crisis situations must be managed at the municipal level. {T}he political and historical background of the crisis shows that risk management can represent an opportunity and a challenge for authorities to assert their legitimacy. {S}everal months into the crisis, additional problems arose, as a result of the difficulty of managing this type of crisis over a long period of time. ({R}{\'e}sum{\'e} d'auteur).}, keywords = {{VILLE} ; {VOLCAN} ; {GESTION} {URBAINE} ; {SURVEILLANCE} ; {RISQUE} {VOLCANIQUE} ; {GESTION} {DU} {RISQUE} ; {RISQUE} {NATUREL} ; {QUITO} ; {EQUATEUR} ; {PICHINCHA} {VOLCAN}}, booktitle = {{A}u risque des espaces publics}, journal = {{L}es {A}nnales de la {R}echerche {U}rbaine}, numero = {83/84}, pages = {176--184}, ISSN = {0180-930-{X}}, year = {1999}, URL = {https://www.documentation.ird.fr/hor/fdi:010021330}, }