Someone living in an area that is prone to one or other of these natural disasters will be well aware of the fact, so the most important factor is to be prepared. The tsunami that hit northeastern Japan following the 11 March earthquake was 15 metres high some areas and it travelled 10 km inland. Tsunamis are not uncommon in Japan and usually there is a limited amount of warning before they hit. Most tornadoes are about 250 feet across, have wind speeds of up to 110 mph and blow themselves out after a few miles, but in extreme cases they can be 2 miles across, attain speeds of more than 300 mph and stay on the ground for considerable distances.
Although they can occur almost anywhere, the vast majority occur in the US, where the average is about 1,200 a year.
Almost everywhere you look you find references to climate change associate with natural disasters.
It is clear that the world is getting warmer, probably due to a natural process, but it is reasonable to assume that this process is being speeded up by mankind's release into the atmosphere of large amounts of greenhouse gas.

It is easy to blame every natural disaster on global warming, but meteorology is not an exact science and while in some cases this blame might be quite justified, in many cases these natural disaster occur for purely natural reasons. Early in 1953 there was a major natural disaster when serious floods hit countries bordering the North Sea.
These occur with the minimum amount of warning and include earthquakes, volcanic eruptions and tsunamis. These are usually the consequence of extreme weather events, or are supplementary to other natural disasters. Following an Icelandic volcanic eruption in 2010, when large clouds of volcanic dust were released into the atmosphere, concern about possible damage to aero engines severely disrupted air traffic in Europe and North America.
Although this was America's costliest natural disaster, the deadliest natural disaster in US history was the Galveston Hurricane of 1900 that killed between 6,000 and 12,000 people in Galveston. In 2010 similar fires in Russia killed 62 people and destroyed about 23,000 square kilometres, an area more than half the size of The Netherlands.

There will usually be some degree of advanced warning, but since weather is unpredictable, nothing can be done to stop these disasters from developing once the weather system develops.
As a result of this natural disaster the number of people dead or missing is put at around 30,000 and the Japanese economy has suffered a major blow.
Again, in areas prone to this sort of disaster, some provision can be made to limit damage and loss of life.

Us dept homeland security ice
Natural disasters and food safety


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