August 31, 2018
Down to Earth With: Volcanologist Thorvaldur Thordarson
Despite growing up in Iceland, with Earth’s most volcanically active landscape as his playground, Thorvaldur Thordarson had no idea he would grow …
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Volcanology
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7 articles · Page 1 of 1
July 3, 2018
Cracking the temperature of columnar jointing
When molten rock cools and contracts, it sometimes cracks to form geometrically shaped columns. This process, called columnar jointing, has led …
March 19, 2018
Chemical tipping point triggers eruptive transitions
During an eruption, some volcanoes vacillate unpredictably between effusive and explosive behavior. New research has identified a chemical …
December 11, 2017
Down to Earth With: Volcanologist Jess Phoenix
Field geologists usually love camping, hiking and all things outdoors. Today, Jess Phoenix is no different, but she wasn’t always that way. As a …
October 20, 2016
Down to Earth With: Volcanologist Kayla Iacovino
When Kayla Iacovino enrolled as a freshman at Arizona State University in 2005, she thought she might become an astronaut. But, after a field …
January 13, 2015
Down to Earth With: Volcanologist Stephen Sparks
From the Caribbean to Iceland to the Andes, volcanologist Stephen Sparks has spent a lifetime studying volcanoes. As a professor of geology at …
January 13, 2015
Down to Earth With: Volcanologist John Eichelberger
The 2010 eruption of Iceland’s Eyjafjallajökull showed that volcanic hazards are blind to international borders. After the eruption ended and air …