Not exact matches
After a week of rumbling, Iceland's Bárðarbunga volcano
began erupting yesterday, say scientists at the Icelandic Meteorological Office (IMO) in Reykjavik — although the
eruption remained entirely under the thick ice covering the volcano.
«Our results suggest an
eruption at the
beginning of Yellowstone's most recent volcanic cycle was triggered within 10 months
after reheating of a mostly crystallized magma reservoir following a 220,000 - year period of volcanic quiescence,» says Till.
Not until 201 million years ago did dinosaurs
begin to dominate worldwide, say Olsen and Irmis —
after a mass extinction, caused by volcanic
eruptions, wiped out many of their cold - blooded reptile and amphibian competitors.
The puffs occurred approximately once every three hours;
after about 12 hours, a much larger
eruption of material
began, apparently eased out by the smaller - scale explosions.
The effects of pollution, unhealthy diets, excessive use of alcohol and smoking, stress, ageing, acne and skin infections and
eruptions all leave their mark on the skin and
after years of abuse, all these
begin to show their effects on the skin with discolorations, blemishes and scars leaving a sallow and flaccid skin.
One of the difficulties in predicting the likelihood and timing of an
eruption on Agung is that monitoring of the volcano
began only
after the 1963
eruption.
But the expected acceleration due to climate change is likely hidden in the satellite record because of a happenstance of timing: The record
began soon
after the Pinatubo
eruption, which temporarily cooled the planet, causing sea levels to drop.»