This article explores social media use during Japan's 2011 earthquake. In the era of social media, this earthquake provides an opportunity for analysing the role of communication during a crisis. To explain how social media use transforms the locus of crisis communication, we collected sufficient data on tweets in Japan from the Twitter public timeline during the earthquake and examined the Japanese government's Twitter account and its URLs. The results indicate that crisis communication on Twitter was led by peer-to-peer communication and relied on peer-generated information. In addition, the government's traditional leadership role in exercising tight control over crises and facilitating disaster communication was not clearly apparent on Twitter. By examining the shift in the locus of crisis communication through social media, this study provides new insights into the current use of social media.
2014),"The internet, its governance, and the multi-stakeholder model", info, Vol. 16 Iss 2 pp. 16-46 http://dx.If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/ authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -This study aims to examine the impact of news frames associated with traditional media and with Twitter discourse on social issues.Design/methodology/approach -Using semantic network analysis, it identifies the role of new alternative channels as well as discussing ways of understanding and consuming news content in the changing media environment. Additionally, it focuses on the dominant Twitter communicators who rank high in betweenness centrality.Findings -The results confirmed that traditional news media tend to superficially describe main events and media strikes without comment. They tended to consciously or unconsciously favor media corporations by engendering anxiety and conflict or by restraining reports on the rationales of the strike. Twitter discourse, on the contrary, positively represents the striker's arguments and frequently reveals support of the strike.Research limitations/implications -The data set of this study was specialized, not generalized. However, the findings extend literature relating to the role of journalism and alternative channel. For example, this study indicated that the change of media environment has reinforced partiality of news, including both traditional and alternative channels.Practical implications -The findings imply that the advent of new media does not purely represent a laymen's voice and rather tends to strengthen the partiality of media, including both traditional and new media, beyond selective exposure on content of the receiver.Originality/value -By clarifying the influence of alternative channels, this study suggests the counterpart of traditional journalism in the near future.
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