Disaster
31 events, 1832 to 2025; 3 marked as turning points.
1832
Guntur famine strikes the Madras Presidency
Crop failures led to a famine that took roughly 150,000 lives in Guntur district and spread as far south as Madras.
1876
Brought on by drought, a severe famine hit the Madras Presidency and other regions of India, killing millions.

1896
Famine of 1896-1897 reaches the Madras Presidency
A famine that began in Bundelkhand in 1896 spread across India, including parts of the Madras Presidency, where grain exports continued.

1918
Influenza pandemic reaches Madras
The 1918 influenza pandemic reached Madras by the end of June 1918 and caused heavy mortality across the presidency.
1943
Six days of continuous northeast monsoon rain caused the Cooum and Adyar rivers to overflow, flooding slums across Madras.
1956
A train fell into the Marudaiyaru river near Ariyalur after a bridge collapsed in heavy rain, killing over 150 passengers.
1964
Rameswaram cyclone destroys Dhanushkodi
Pamban Island was hit by a super cyclonic storm whose surge drowned the town of Dhanushkodi and killed many people.

1977
November 1977 cyclone strikes Nagapattinam and the Cauvery delta
A very severe cyclonic storm made landfall at Nagapattinam, killing about 560 people and affecting around 10 lakh people in Tamil Nadu.
1992
Mahamaham stampede at Kumbakonam
A stampede at the Mahamaham tank in Kumbakonam during the 12-yearly festival killed 48 pilgrims.

1994
Cyclone crosses the coast near Madras
A cyclonic storm made landfall near Madras on 31 October 1994, causing about 115 million US dollars in damage and some 304 deaths.
2001
Chained to their beds, 28 inmates died when fire swept through a faith-based mental asylum at Erwadi.
2004
A fire at a school in Kumbakonam killed 94 children after a thatched roof caught fire, leading to new school safety rules.

2004 Indian Ocean tsunami strikes the Tamil Nadu coast
The tsunami after the Sumatra earthquake killed about 8,000 people in Tamil Nadu, with Nagapattinam the worst-hit district.

2005
2005 Chennai floods and relief camp stampedes
Heavy north-east monsoon rain flooded Chennai, and two stampedes at relief distribution camps killed more than 50 people.
2008
Cyclone Nisha floods the Cauvery delta
Cyclonic Storm Nisha made landfall in Tamil Nadu, bringing record rain to Orathanadu and killing at least 189 people in the state.

2011
Cyclone Thane strikes Cuddalore and Puducherry
Thane, a very severe cyclonic storm, crossed the coast between Cuddalore and Puducherry, wrecking homes, crops and trees.

2012
Sivakasi fireworks factory explosion
Forty people died and over 70 were hurt when an explosion hit the Om Sakthi fireworks factory near Sivakasi.
2014
An eleven-storey apartment block under construction collapsed at Moulivakkam in Chennai, killing 61 people, mostly construction workers.
2015
Extremely heavy north-east monsoon rains flooded Chennai, Kancheepuram, Tiruvallur and Cuddalore, killing hundreds of people.

2016
Cyclone Vardah made landfall near Chennai, uprooting thousands of trees and cutting power and communication across the city.

2017
Ennore oil spill after tanker collision
Two tankers collided off Kamarajar Port in Ennore, and the resulting oil spill spread along the north Chennai coast.
Cyclone Ockhi strikes Kanyakumari
Cyclone Ockhi caused heavy damage in Kanyakumari district and many fishermen out at sea were lost.

2018
Cyclone Gaja devastates the Cauvery delta
Cyclone Gaja crossed the coast near Vedaranyam, killing dozens and destroying coconut groves, homes and boats in the delta districts.

2020
Cyclone Nivar makes landfall near Marakkanam
Cyclone Nivar crossed the north Tamil Nadu coast near Marakkanam, flooding parts of Chennai during the COVID-19 pandemic.

2021
Helicopter crash near Coonoor kills General Bipin Rawat
An Indian Air Force Mi-17V-5 crashed in the Nilgiris, killing Chief of Defence Staff Bipin Rawat, his wife and 12 others.

2023
Cyclone Michaung floods Chennai
Very heavy rain from Cyclone Michaung flooded large parts of Chennai and neighbouring districts.

Floods in Thoothukudi and Tirunelveli
Record rainfall flooded Thoothukudi and Tirunelveli districts as the Thamirabarani river overflowed.
Ammonia leaked from a subsea pipeline of a fertiliser plant at Ennore, sending dozens of residents of fishing villages to hospital.

2024
Kallakurichi illicit liquor deaths
Methanol-laced illicit liquor killed more than 60 people in Kallakurichi district.
Cyclone Fengal brings record rain to Viluppuram
Cyclone Fengal crossed the coast near Puducherry and caused extreme rainfall, flooding and a landslide in northern Tamil Nadu.

2025
Karur crowd crush at TVK rally
A crowd crush at a Tamilaga Vettri Kazhagam campaign rally addressed by Vijay in Karur killed 41 people.