This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?

The highest volcano in the world is Cerro Ojos del Salado. It is a stratovolcano in South America’s Central Volcanic Zone, reaching an impressive 6893 meters above sea level (or at least above ...

The most common origin of pillow lavas is a mid-oceanic spreading centre. That has also been suggested for the Barberton rocks. But it has been questioned. The eruptions began 3.54 Gyr ago and lasted ...

The centre of South Africa is an amazing place. The long drive from Cape Town in-land is exciting for the first two hours, while the road climbs up through the mountains, past vineyards and valleys ...

People mellow with age. (At least, most of us do.) The emotions of youth become less all-important and less demanding of our attention. Young people feel that every perceived slight needs addressin… ...