News articles tagged with 'eruption'
Sugar-grain sized meteorites rocked the climates of early Earth and Mars
— 2 Apr 2011 11:34 | AstronomyBombardments of 'micro-meteorites' on Earth and Mars four billion years ago may have caused the planets' climates to cool dramatically, hampering their ability to support life, according…
Deep-sea volcanoes don't just produce lava flows, they also explode!
— 29 Mar 2011 16:19 | Geology and palaeontologyBetween 75 and 80 per cent of all volcanic activity on Earth takes place at deep-sea, mid-ocean ridges. Most of these volcanoes produce effusive lava flows rather than explosive eruptions,…
Solar mystery solved
— 3 Mar 2011 14:41 | AstronomyThe Sun has been in the news a lot lately because it's beginning to send out more flares and solar storms. Its recent turmoil is particularly newsworthy because the Sun was very quiet…
Before the explosion - volcano's warning tremors explained
— 24 Feb 2011 19:20 | Geology and palaeontologyNo matter their size or shape, explosive volcanoes produce tremors at similar frequencies for minutes, days or weeks before they erupt. In the Feb. 24 issue of the journal Nature, researchers…
Oscillating 'plug' of magma causes tremors that forecast volcanic eruptions: UBC research
— 24 Feb 2011 18:47 | Geology and palaeontologyUniversity of British Columbia geophysicists are offering a new explanation for seismic tremors accompanying volcanic eruptions that could advance forecasting of explosive eruptions…
Scientists find part of New Zealand's submerged 'Pink Terraces'
— 4 Feb 2011 16:46 | EnvironmentThey were called the Eighth Wonder of the World. Until the late 19th century, New Zealand's Pink and White Terraces along Lake Rotomahana on the North Island, attracted tourists from…
Researchers find smoking gun of world's biggest extinction
— 23 Jan 2011 19:47 | EnvironmentAbout 250 million years about 95 per cent of life was wiped out in the sea and 70 per cent on land. Researchers at the University of Calgary believe they have discovered evidence to…
Sneak attacks from the Sun
— 8 Dec 2010 19:05 | AstronomyOur Sun can be a menace when it sends out powerful solar blasts of radiation towards the Earth. Astronomers keenly watch the Sun to learn more about what powers these solar eruptions,…
Months of geologic unrest signalled reawakening of Icelandic volcano
— 18 Nov 2010 10:18 | Geology and palaeontologyMonths of volcanic restlessness preceded the eruptions this spring of Icelandic volcano Eyjafjallajoekull, providing insight into what roused it from centuries of slumber…
Volcanoes have shifted Asian rainfall
— 3 Nov 2010 19:40 | EnvironmentScientists have long known that large volcanic explosions can affect the weather by spewing particles that block solar energy and cool the air. Some suspect that extended 'volcanic…