Center for Catholic Education. Michael Graham, S.J., Xavier's President, has committed the University to engaging students intellectually, morally, and spiritually - with rigor and compassion - toward lives of solidarity, service, and success. This is Xavier's Catholic and Jesuit identity and heritage.
On Saturday, Japan's Mount Ontake volcano erupted without warning, surprising several hundred nearby hikers. Plumes of volcanic gas and ash overtook the fleeing hikers and buried nearby lodges and outbuildings. Though most of the people on Mount Ontake that day were able to escape.
The atmospheric effects of volcanic eruptions were confirmed by the 1991 eruption of Mount Pinatubo, in the Philippines. PinatuboÂ¿s eruption cloud reached over 40 kilometers into the atmosphere and ejected about 17 million tons of SO.here is no doubt that volcanic eruptions add CO 2 to the atmosphere, but compared to the quantity produced by human activities, their impact is virtually trivial: volcanic eruptions produce about 110 million tons of CO 2 each year, whereas human activities contribute almost 10,000 times that quantity.