From all of Us to all of You: A happy Christmas and a Volcanic New Year! Victoria Island Our story begins and ends in the far north of Canada. The sea between northwestern Canada and northwestern Greenland is filled by a series of ancient islands. In winter the sea is deeply frozen, and the islands…
The Wrangell Mountains are Alaska’s most secretive volcanoes. We have looked at what they are (post I) and how they may have formed (post II). This area of Alaska has suffered the brunt of the most recent continental collision on Earth, and the Wrangell Mountains are an immense scar from this monumental accident. But there…
Nkosi sikelel’ iAfrika Nkosi sikelela, thina lusapho lwayo Setshaba sa, South Afrika Imagine. Around you is a sea of sand, stretching out far beyond the horizon. Mirages reflect the cloudless sky, and suggest water where only sand rules. But strangely, a mile ahead a river pushes through the mirages, flowing slowly, a blue ribbon amidst…
Volcanoes affect life. That is as true for volcanoholics as it is for other life forms. As Bjarki pointed out, the puffins on Bogoslof are not going to be impressed, when returning to their nesting holes to find them all gone, blown up to bits or filled with ash and lava. They will be affected…
Every child likes rivers. The constantly changing surface, the movement, and of course the water are irresistible. From floating sticks to building dams, they offer entertainment and learning. But rivers are also important to geology. Rivers feel the lay of the land, accurately showing the tilt. They cut away the surface and reveal the rocks…