Tagged: Volcanoes

The temperamental past of Auckland’s Volcanoes - News

Jean Balchin Jul 18, 2017

Two recent studies have found that Auckland’s volcanoes had a rather stormy and temperamental past. At one stage, several large eruptions happened within 4,000 years, whereas at other times there were thousands of years of silence. The two studies were published this month in the Journal of Volcanology and Geothermal Research … Read More

Volcanoes under the ice: melting Antarctic ice could fight climate change - Guest Work

Guest Work Jun 16, 2017

By Silvia Frisia, University of Newcastle  Iron is not commonly famous for its role as a micronutrient for tiny organisms dwelling in the cold waters of polar oceans. But iron feeds plankton, which in turn hold carbon dioxide in their bodies. When they die, the creatures sink to the bottom of the sea, safely storing that carbon. How exactly … Read More

Peeking inside a volcanic avalanche - News

John Kerr Sep 06, 2016

New research has offered a glimpse into the inner workings of one of the most dangerous results of volcanic eruptions – pyroclastic flows. “They are basically mixtures of hot volcanic particles and gas that race down the flank of a volcano to destroy everything its path,” says Dr Gert Lube from Massey University, describing these volcanic juggernauts. He and his … Read More

A better understanding of Auckland volcanoes - News

Sarah-Jane O'Connor Dec 14, 2015

Tracking the source of volcanic ash has given a New Zealand researcher a better understanding of Auckland volcanoes and when they erupted. Jenni Hopkins reconstructed the volcanic history of Auckland as part of her PhD research at Victoria University in the hope of better understanding the risk posed by new eruptions in our biggest city. Auckland’s volcanic field … Read More

To Destroy, or Preserve? That is the Question on the Effects of Volcanism in Archaeology - Digging the Dirt

Brigid Gallagher Aug 16, 2012

In front of me a volcano is erupting.  This is a slight exaggeration…but from my window last Friday, I could see a long low trail of ash from White Island spread above the horizon, and small billows of white changing form where another burst of steam spews forth. I have been fighting the urge to go and buy a stronger set … Read More