• 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

    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