The air we breath: the sulfur smell of volcanoes

“The sun became dark and its darkness lasted for one and a half years… Each day it shone for about four hours and still this light was only a feeble shadow… the fruits did not ripen and the wine tasted like sour grapes.” Michael the Syrian, about a 6th century eruption It smells. Sulfur is…

Réunion Island

This is a rerun of a post that appeared in December, 2013: the date explains the unseasonal greeting at the start. It was written by Fran. Reunion sits near the head of a chain of volcanic islands in the Indian Ocean, ending (or beginning) at the Deccan traps. Hot spot volcano candy at its best.)…

Dawn over Ceres: the lonely volcano

Ceres is different. It was the first asteroid to be discovered and is by some distance the largest. Ceres contains a quarter of all the mass on the entire asteroid belt. (That sounds more impressive than it is: the mass is just over 1% of that of the Moon.) But it does not look like…

Hawaii and the story of the Pacific Ocean

The expanse of water seems to go on forever. The Pacific ocean covers a third of the Earth surface, more than all the continents combined. The east-west width between Indonesia and Colombia is almost 20,000 km. There is 700 million cubic kilometer of water down there! 45 different countries own part of it. The averaged…