The Alaska Volcano Observatory has seen an increase in volcanic gas emissions from Mount Spurr during flyovers in the last ...
Guillermo Vieiro was 44 when he died in 1985 while descending Argentina's Tupungato lava dome, one of the highest peaks in ...
Azul Vieiro, a daughter of late mountaineer Guillermo Vieiro, poses for a photograph with her father’s backpack in Mendoza, ...
Lava domes are rounded, steep-sided mounds built by magma that is highly resistant to flow, usually either dacite or rhyolite. Such magmas are typically too viscous to move far from the vent ...
Two daughters of an Argentine mountaineer who died on an icy peak 40 years ago, have retrieved his backpack from the spot -- ...
Guillermo Vieiro was 44 when he died in 1985 while descending Argentina's Tupungato lava dome, one of the highest peaks in the Americas. Then last year, his backpack was spotted on a slope by ...