Articles tagged "mt. saint helens"

mt_st_helens_eruption_2004 2008

Mount St. Helens 2004-2008 eruption: A volcano reawakens

Mount St. Helens reawakened in late September 2004. Small magnitude earthquakes beneath the 1980-1986 lava dome increased in frequency and size, and a growing welt formed on the southeast margin of the previous lava dome and nearby portions of Crater Glacier.On October

October 01, 2014


Elevated seismicity continues at Mount Rainier and near Mount Saint Helens volcanoes - Washington Cascades, US

ER reports that elevated seismicity continues at Mount Rainier (station STAR) and near Mount Saint Helens (station SHW) volcanoes in the Washington Cascades, US. Event depths at Mount Saint Helens average around 13 km and form a radial pattern in

August 04, 2013