This article was written by Patrick Meier and originally published at iRevolution on 27 January, 2013. Republished with permission.
The massive floods that swept through Queensland, Australia in 2010/2011 put an area almost twice the size of the United Kingdom under water. And now, a year later, Queensland braces itself for even worse flooding:
BREAKING #BIGWET #NEWMAN 2pm Jan27: #bundaberg #qld WILL flood at level higher than 2010/11. At least 300 homes will be inundated #qldfloods
— abnn – alert (@autALERT) January 27, 2013
More than 35,000 tweets with the hashtag #qldfloods were posted during the height of the flooding (January 10-16, 2011). One of the most active Twitter accounts belonged to the Queensland Police Service Media Unit: @QPSMedia. Tweets from (and to) the Unit were “overwhelmingly focussed on providing situational information and advice” (1). Moreover, tweets between @QPSMedia and followers were “remained topical and to the point, significantly involving directly affected local residents” (2). @QPSMedia also “introduced innovations such as the #Myth buster series of tweets, which aimed to intervene in the spread of rumor and disinformation” (3). 
On the evening of January 11, @QPSMedia began to post a series of tweets with #Mythbuster in direct response to rumors and misinformation circulating on Twitter. Along with official notices to evacuate, these #Mythbuster tweets were the most widely retweeted @QPSMedia messages.” They were especially successful. Here is a sample: “#mythbuster: Wivenhoe Dam is NOT about to collapse! #qldfloods”; “#mythbuster: There is currently NO fuel shortage in Brisbane. #qldfloods.”
Police: #mythbuster Callide Dam near Biloela is not unstable. Controlled releases continue #bigwet on.fb.me/10PKiVF #qld
— Queensland Online (@QLDOnline) January 26, 2013
This kind of pro-active intervention reminds me of the #fakesandy hashtag used during Hurricane Sandy and FEMA’s rumor control initiative during Hurricane Sandy. I expect to see greater use of this approach by professional emergency responders in future disasters. There’s no doubt that @QPSMedia will provide this service again with the coming floods and it appears that @QLDonline is already doing so (above tweet). Brisbane’s City Council has also launched this Crowdmap marking latest road closures, flood areas and sandbag locations. Hoping everyone in Queensland stays safe!
In the meantime, here are some relevant statistics on the crisis tweets posted during the 2010/2011 floods in Queensland:
- 50-60% of #qldfloods messages were retweets (passing along existing messages, and thereby making them more visible); 30-40% of messages contained links to further information elsewhere on the Web.
- During the crisis, a number of Twitter users dedicated themselves almost exclusively to retweeting #qldfloods messages, acting as amplifiers of emergency information and thereby increasing its reach.
- #qldfloods tweets largely managed to stay on topic and focussed predominantly on sharing directly relevant situational information, advice, news media and multimedia reports.
- Emergency services and media organisations were amongst the most visible participants in #qldfloods, especially also because of the widespread retweeting of their messages.
- More than one in every five shared links in the #qldfloods dataset was to an image hosted on one of several image-sharing services; and users overwhelmingly depended on Twitpic and other Twitter-centric image-sharing services to upload and distribute the photographs taken on their smartphones and digital cameras.
- The tenor of tweets during the latter days of the immediate crisis shifted more strongly towards organising volunteering and fundraising efforts: tweets containing situational information and advice, and news media and multimedia links were retweeted disproportionately often.Less topical tweets were far less likely to be retweeted.
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Photo: Vit Brunner