social media report from asu humanity road
TRANSCRIPT
Typhoon Haiyan
Analysis Prepared for Humanity Road by ASU
Overview
• Category 5 “Super Typhoon”
• Made Landfall in Philippines on November 7,
2013
• Over 4000 fatalities confirmed so far
• Data used in this report was collected using
TweetTracker* from ASU. *http://tweettracker.fulton.asu.edu/
Dataset Statistics Property Value
No. Tweets 609,453
Avg. Tweet Length (characters) 83.97
No. Retweets 192,339 (31.6%)
No. Geotagged Tweets 303,301 (49.8%)
No. Unique Users 172,600
No. URLs 50,161
No. Unique Hashtags 25,123
No. Unique Mentioned Users 64,576
First Tweet Thu Nov 07 09:00:43 MST 2013
Last Tweet Sat Nov 09 10:13:38 MST 2013
Overall Trend Analysis General Trend of all tweets discussing the Typhoon.
Red vertical line indicates start of storm.
“Tacloban” Trend
“Unicef” Trend
Client Analysis
• Studied the software users employ to tweet.
• Compared mobile and non-mobile clients.
Mobile Client Trend
Keyword Analysis
• Word cloud of top words used in disaster.
• Larger words occur more often in the time period.
Tag cloud of entire dataset.
Tag cloud from the hour of landfall.
Geographic Analysis • Analyze location of geolocated tweets.
• Gives an understanding of where tweets are coming from.
24 Hours After Landfall 48 Hours After Landfall Landfall
Authors Fred Morstatter
Shamanth Kumar
Mark Karlsrud
Daniel Howe
Grant Marshall
Data Mining and Machine Learning Lab at ASU