@article{fdi:010081725, title = {{R}apid collaborative knowledge building via {T}witter after significant geohazard events}, author = {{L}acassin, {R}. and {D}ev{\`e}s, {M}. and {H}icks, {S}.{P}. and {A}mpuero, {J}ean-{P}aul   and {B}ossu, {R}. and {B}ruhat, {L}. and {D}aryono and {W}ibisono, {D}.{F}. and {F}allou, {L}. and {F}ielding, {E}.{J}. and {G}abriel, {A}.{A}. and {G}urney, {J}. and {K}rippner, {J}. and {L}omax, {A}. and {M}a'rufin {S}udibyo, {M}. and {P}amumpuni, {A}. and {P}atton, {J}.{R}. and {R}obinson, {H}. and {T}ingay, {M}. and {V}alkaniotis, {S}.}, editor = {}, language = {{ENG}}, abstract = {{T}witter is an established social media platform valued by scholars as an open way to disseminate scientific information and to publicly discuss research results. {S}cientific discussions on {T}witter are viewed by the media, who can then pass on information to the wider public. {S}ocial media is used widely by geoscientists, but there is little documentation currently available regarding the benefits or limitations of this for the scientist or the public. {H}ere, we use the example of two 2018 earthquake-related events that were widely commented on by geoscientists on {T}witter: the {P}alu {M}w 7.5 earthquake and related tsunami in {I}ndonesia and the long-duration {M}ayotte island seismovolcanic crisis in the {I}ndian {O}cean. {W}e built our study on a content and contextual analysis of selected {T}witter threads about the geophysical characteristics of these events. {F}rom the analysis of these two examples, we show that {T}witter promotes a very rapid building of knowledge in the minutes to hours and days following an event via an efficient exchange of information and active discussion between the scientists themselves and the public. {W}e discuss the advantages and potential pitfalls of this relatively novel way of making scientific information accessible to scholarly peers and lay people. {W}e argue that scientific discussion on {T}witter breaks down the traditional "ivory tower" of academia, contributes to the growing trend towards open science, and may help people to understand how science is developed and, in turn, to better understand the risks related to natural/environmental hazards.}, keywords = {{INDONESIE} ; {SULAWESI} ; {MAYOTTE}}, booktitle = {}, journal = {{G}eoscience {C}ommunication}, volume = {3}, numero = {1}, pages = {129--146}, ISSN = {2569-7102}, year = {2020}, URL = {https://www.documentation.ird.fr/hor/fdi:010081725}, }