Role of Social Media in Disaster
Management
Dr. G.P.Ganapathy
Professor and Director
Centre for Disaster Mitigation and Management,
Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India
Email: seismogans@yahoo.com, gpganpathy@vit.ac.in
VIT – Recognised as Institution of Eminence (IoE) by Government of India
Satellite
Raw Data
Interpreted Image
Social Media Internet
Quick response during earthquakes
26 April 2015
Nepal Earthquake
2015 Nepal Earthquake
• Year: 2015
• 9000 people Killed
and 22000 injured
The April 2015 Nepal earthquake (also known as the Gorkha earthquake) killed nearly 9,000 people and injured nearly
22,000. It occurred at 11:56 Nepal Standard Time on 25 April, with a magnitude of 7.8Mw or 8.1Ms and a maximum Mercalli
Intensity of IX (Violent). Its epicenter was east of Gorkha District at Barpak, Gorkha, and its hypocenter was at a depth of
approximately 8.2 km (5.1 mi).It was the worst natural disaster to strike Nepal since the 1934 Nepal–Bihar earthquake. The
ground motion recorded in Kathmandu valley was of low frequency which, along with its occurrence at an hour where
many people in rural areas were working outdoors, decreased the loss of property and human life. (Source : Wikipedia)
USGS Current Earthquake List
Damaged heritage structure
Rescue under Debris
Victim under Debris
Rescued Baby
Tough Rescuing
Relief
Aerial view of Collapsed Village
Collapsed Wooden Structures
Collapsed Ceiling out of Plane Wall
failure
Collapsed building road blockage
Collapsed Monument
Collapsed brick structure
Collapsed Road Blockage
Tilting of building due to Liquefaction
Buddha under debris
Buckled Soft Storeys
Soft Storey
Failure
Landslides Triggered by the Quake
Destroyed Tourist Spot
Crown Come down
Shelters
Infant baby
Rich become Poor
Destroyed remote villages
People waiting for Relief Food
Waiting for relief in rain
Army in remote villages
Rapid Damage Mapping
Banks Near Kathmandu
Rapid Damage Mapping
Rapid Damage Mapping
27th April 2015 Hanuman
Dhoka Area
27 April 2015 Dharahara
Tower
27 April 2015 Kathmandu
27 April 2015 Halchowk Stadium
27 April 2015 Shelter
Social Media Listening for Kerala Floods 2018
Data Sources : Twitter | Period : 16th and 17th August
Key Influencers Top Mentions Top Hashtags
Jitesh Pillai (@jiteshpillaai ) CMO Kerala (@CMOKerala) #KeralaFloods
Nirmala Sitharaman (@nsitharaman) PMO Kerala (@PMOIndia)
#KeralaFloodRelief
Nirmala Sitharaman (@nsitharaman)
Shashi Tharoor (@ShashiTharoor) #KeralaSOS
Tinu Cherian (@tinucherian) ADG PI Indian Army (@adgpi) #KeralaFloods2018
Shiv Aroor (@ShivAroor) Dhanya Rajendran #KeralaFlood
(@dhanyarajendran)
Virender Sehwag (@virendersehwag) #StandWithKerala
Indian Navy (@indiannavy)
Source : LatentView Analytics
2018 Kerala Flood
Modeled Vs Actual Scenario
Where we failed?
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Disaster Alert
Real time Warning
Earthquake Alert
Earthquake!
Latest Quakes
Hurricane Hound
Tsunami Alert
Transferring Traditional and
indigenous knowledge
HORYU-JI TEMPLE IN JAPAN Earthquake Resistant
Traditional Architecture in Japan
The architectural style of the five-story pagoda
was introduced with Buddhism from India via
China around the mid 6th century. During the
years since then, about 1,300 years, many five-
story pagodas encountered several huge scale
earthquakes. There exist, however, no
historical documents that report any toppling
incidents of five-story pagodas except some
damages in the ornamental element called
kurin in Japanese in the top structure.
Rainfall and Drought Warning
The baobab is one of the most important plants used as indigenous
early warning indicators of rainfall and drought
Flood Warning
One of the early warning of coming floods is the height of nests of the emahlokohloko
bird in Swaziland. When floods are likely to occur the nesting is very high up the trees
next to the river and when floods are unlikely the nests are low down
Flood Protection
In the early 19th century (Edo period), flood
mitigation activities were mandated through
the practice of “goninggumi”, a system of
mutual assistance, cooperation and Waju protects the community
monitoring consisting of five families in a from floods (Japan)
given community.
Mangrove forest for Tsunami Protection
Some use strips of mangrove forest to absorb the force of tidal surges and
tsunamis, others apply genetic diversity in crops to avoid total crop failure, and
some communities move between habitats as hazards strike
Gingee Fort
Thanjavur
1000 Years Old Temple
Rameshwaram
Kallanai
Destination - Disaster Risk Free India
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