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.
Find out what's happening in the world as it unfolds. Photos: The countries where people live longest. Japan â Japan has the longest-living population in the world, with the average 60-year-old going on to live until age 86. Experts say this is due to good diets, active lifestyles and supportive family structure.