When pressure builds up, or tectonic plates shift, or where the crust is thin, volcanoes can erupt. There are 1,511 known volcanoes, 500 of which are active. Every now and then, a new one forms, as happened in 1943 in Paricutin, Mexico.
The average life expectancy for Japanese men is 80.5 years of age, while for women, life expectancy was calculated at 86.83 years of age, Fuji TV reported Friday.
This is comparable to the population of the prefecture and of Japan as a whole. In the prefecture, 22.1% of the population is over 65 and 14.4% of the population is less than 15 years old. Throughout Japan, only 21% are over the age of 65 and 13.6% are younger than 15. The average age of city residents is 43.37.