Prehistoric volcanic eruption leaves intercontinental footprint

Prehistoric volcanic eruption leaves intercontinental footprint

A new study led by University of Alberta researchers has shown that a volcanic eruption 1 200 years ago scattered ash from Alaska to Europe – a discovery that will help researchers understand how future eruptions could affect the world.Britta Jensen and Duane Froese in

Ecuador’s Tungurahua volcano unleashes violent explosion

Ecuador’s Tungurahua volcano unleashes violent explosion

The Tungurahua volcano continues with constant emissions of ash that started on April 20. Since early this morning, at approximately 01:00 (local time), the volcano exhibited an increase in the amplitude of internal vibrations as well as a slight variation in the t