volcano

Deep magma matters in volcanic eruption cycle

harminka — Fri, 10 Oct 2008 12:43:37 -0500

Although the Soufriere Hills volcano on Montserrat exhibits cycles of eruption and quiet, an international team of researchers found that magma is continuously supplied from deep in the crust but that a valve acts below a shallower magma chamber, releasing lava to the surface periodically.

World's fastest-growing mud volcano is collapsing

harminka — Wed, 28 May 2008 13:24:55 -0500

The world’s fastest-growing mud volcano is collapsing and could subside to depths of more than 140 metres with consequences for the surrounding environment, according to new research.

Chilean volcano captured blasting ash

harminka — Fri, 09 May 2008 07:24:58 -0500

Chile’s Chaiten Volcano is shown spewing ash and smoke (centre left of image) into the air for hundreds of km over Argentina’s Patagonia Plateau in this Envisat image acquired on 5 May 2008.

First evidence of under-ice volcanic eruption in Antarctica

harminka — Mon, 21 Jan 2008 13:21:49 -0600

The first evidence of a volcanic eruption from beneath Antarctica’s most rapidly changing ice sheet is reported this week in the journal Nature Geosciences. The volcano on the West Antarctic Ice Sheet erupted 2000 years ago (325BC) and remains active.

Llaima volcano’s eruptions in Chile

Nksagar — Thu, 03 Jan 2008 11:44:20 -0600

The 3,120-metre high Llaima, one of the most active among some 60 active volcanoes in Chile, has not had a major blast since 1994.

Geographical Society of Philadelphia Announces 2007-2007 Travelogue Film Series

wednights — Thu, 30 Aug 2007 13:24:37 -0500

“On [07-07-07], the New Open World Foundation announced the completion of a world poll to name the ‘new Seven Wonders of the World’…To see them all would mean traveling to Jordan, Peru, India, Mexico, China, Brazil, and Italy. A tour of ‘finalists’ would span the United States, Mali, the United Kingdom, Greece, Spain, Australia, Egypt, Germany, Russia, Japan, Turkey, France, Chile and Cambodia …That would indeed be a wonderful journey.” – Philadelphia Inquirer

Geologists witness volcanic mudflow in action in New Zealand

harminka — Sat, 14 Jul 2007 03:33:56 -0500

Volcanologist Sarah Fagents from the School of Ocean and Earth Science and Technology (SOEST) at the University of Hawaii at Manoa had an amazing opportunity to study volcanic hazards first hand, when a volcanic mudflow broke through the banks of a volcanic lake at Mount Ruapehu in New Zealand.