Jun 20, 2014

Volcanic beast begins to stir anew in Hawaii

Mauna Loa, the world’s largest active volcano, has rumbled back to life in Hawaii over the past 13 months with more seismic activity than at any time since its last eruption, scientists say, while calling it too soon to predict another blast. The volcano, ...

Apr 27, 2014

No Yellowstone mega-eruption coming, experts say

Yellowstone National Park is fighting viral rumors of an impending, cataclysmic eruption of a mega-volcano slumbering at the U.S. Western preserve, which is known for its geothermal features. Volcanologists said reams of geological data have given them a deep of understanding of the Yellowstone ...

Volcanoes helped species survive ice ages: study

Mar 15, 2014

Volcanoes helped species survive ice ages: study

The steam and heat from volcanoes allowed species of plants and animals to survive past ice ages, a study showed March 11, offering help for scientists dealing with climate change. An international team of researchers said their analysis helped explain a long-running mystery about ...

Volcanoes explain warming 'hiatus'

Feb 24, 2014

Volcanoes explain warming 'hiatus'

Volcanoes spewing sun-reflecting particles into the atmosphere have partly offset the effects of man’s carbon emissions over the last 15 years, a period that has become a battleground in the ongoing debate over global warming, researchers said Sunday. A so-called hiatus in warming since ...

Jan 13, 2014

Volcanic bulge called key clue to volume of ash

Bulging in land that occurs before a volcano erupts points to how much ash will be spewed into the sky, providing a useful early warning for aviation, geologists in Iceland said Sunday. The clue came from data from GPS sensors placed around the notorious ...

Fast-rising magma may warn of major eruptions

Aug 4, 2013

Fast-rising magma may warn of major eruptions

A subterranean “highway from hell” enables some volcanoes to erupt at high speed, a discovery that also throws up options for predicting the peril, according to a study published in the current issue of Nature. Volcanoes disgorge molten rock generated within the mantle, the ...