First the Kashmir floods and then cyclone Hudhud in Visakhapatnam; India recently witnessed the fury of nature. But this is nothing. According to a recent research, Kolkata can see even bigger natural calamity, where about 1.8 crore lives can get affected. And it’s not just India alone, Swiss Re, an insurance company, has come up with list of cities that can witness a large scale natural disaster. Let’s look at them. Rank: 10 Country: Iran No of people at risk: 15.6 million Image: A general view of the shrine of Imam Khomeini. Photograph: Morteza Nikoubazl/Reuters Rank: 9 Country: US No of people at risk: 16.4 million Image: Universal Studios in Los Angeles. Photograph: Phil McCarten/Reuters Rank: 8 Country: China No of people at risk: 16.7 million Image: A Chinese man wearing a colourful traditional attire near a tourist shopping district in Shanghai . Photograph: Claro Cortes/Reuters Rank: 7 Country: India No of people at risk: 17.9 million Image: A Hindu devotee prays on the bank of the Ganges river against the backdrop of Howrah Bridge. Photograph: Jayanta Shaw/Reuters Rank: 6 Country: Japan No of people at risk: 22.9 million Image: Nagakute area in Nagoya. Photograph: Reuters Rank: 5 Country: Indonesia No of people at risk: 27.7 million Image: An aerial view of Indonesia's capital city of Jakarta. Photograph: Reuters Rank: 4 Country: Japan No of people at risk: 32.1 million Image: Osaka Castle. Photograph: GFDL/Wikimedia Commons Rank: 3 Country: China No of people at risk: 34.5 million Image: The pearl river. Photograph: Daniel Berthold/Wikimedia Commons Rank: 2 Country: Philippines No of people at risk: 34.6 million Image: Performers at the Aliwan festival take part in a parade in Manila. Photograph: Cheryl Ravelo/Reuters Rank: 1 Country: Japan No of people at risk: 57.1 million Image: Tokyo skyline. Photograph: Yuriko Nakao/Reuters