Social media and natural disasters
Sympathy and emotional support
Needs and donations
Affected individuals: injured, dead, or missing
Caution and advice
Infrastructure and utilities
Other useful information
News media
Eyewitnesses
NGOs
Government sources
For-profit business
General public
FIGURE 16
18%
8%
16%
5%
8%
45%
48%
7%
5%
8%
1%
31%
14%
4%
28%
8%
5%
41%
60%
3%
4%
2%
0%
31%
18%
12%
13%
17%
5%
35%
36%
10%
5%
4%
3%
42%
12%
38%
22%
12%
8%
7%
18%
39%
13%
3%
3%
24%
24%
13%
17%
24%
4%
17%
40%
14%
6%
9%
2%
30%
15%
24%
9%
11%
22%
19%
28%
24%
9%
13%
9%
18%
17%
4%
8%
22%
8%
41%
40%
10%
5%
12%
1%
32%
52%
4%
16%
4%
7%
17%
24%
7%
3%
2%
0%
65%
9%
17%
23%
8%
19%
25%
54%
7%
7%
9%
3%
21%
19%
30%
5%
31%
4%
12%
23%
22%
17%
9%
2%
26%
10%
7%
14%
25%
14%
31%
44%
16%
4%
7%
2%
27%
29%
16%
14%
14%
6%
22%
31%
3%
4%
4%
1%
57%
19%
44%
12%
9%
2%
13%
25%
1%
10%
2%
4%
58%
Colorado wildfires, USA
2012
Guatemala earthquake Northen Italy earthquakes Manila floods, Philippines Typhoon Pablo, Philippines
Alberta floods, Canada New South Wales wildfires, Australia
2013
Bohol earthquake, Philippines Colorado floods, USA Manila floods, Philippines Queensland floods, Australia Sardinia floods, Italy Super Typhoon Yolanda, Philippines
Information provided in tweets
Authors of tweets in natural disasters
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