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.
For men the average life expectancy is 75.5 years. For women the average life expectancy is 80.8 years. This is equivalent to an overall average of 78.2 years. This averag â¦ e varies on racial and economic grounds.