2011 Sendai Earthquake And Tsunami, Tōhoku Region, Pacific Ocean

The share prices of the biggest reinsurance companies Munich Re and Swiss Reinsurance Company fell following the earthquake on speculation that they may face losses "somewhere in the $10 billion range" even after certain costs were absorbed by Japan’s primary insurers and the government.
Peter Bradford, a former member of the United States' Nuclear Regulatory Commission, said that the impact on the nuclear power plant was "obviously a significant setback for the so-called nuclear renaissance. The image of a nuclear power plant blowing up before your eyes on a television screen is a first."
Warren Buffett also canceled a trip to Fukushima for a planned opening ceremony of a Tungaloy Corporation's plant.