Dr Tom Pfeiffer steps gingerly across the Kilauea lava flow. It is hard to tell which direction to go in, and in the harsh volcanic landscape, even harder to judge distances. The terrain is tough as hell, undulating underfoot and too hot to proceed in places. Then there is the lava to think about. In a flash, the base of the fresh cone above the lava skylight collapses, giving way to a huge surge of molten rock that rapidly begins flooding the entire area.
Continue reading...Thursday, April 9, 2009
The volcanic vents known as fumaroles have serious associations, often lying on active volcanoes in times of comparative quiet between eruptions. These smouldering fissures in the earth are visible emitting hot steam and volcanic gasses in places as far and wide as Italy, Indonesia, Hawaii, Yellowstone and Iceland. With their fizzing, more than faintly menacing behaviour, it’s easy to see why fumaroles are shrouded in myth and legend.
Continue reading...Monday, March 30, 2009
What looks like a light show in a crater is actually a lava lake. Long-lasting lava lakes are extremely rare because they require active volcanoes with eruptions that produce enough active lava. Currently, there are only five lava lakes in the world: Erta Ale in Ethiopia, Nyiragongo in the Democratic Republic of Congo, Kilauea in Haiwaii, Mount Erebus in Antarctica and Villarrica in Chile. Let’s take a closer look at these natural wonders…
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Monday, April 27, 2009
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