Activity at Pavlof Volcano May 14, 2013 | Alaska Volcano Observatory "Seismic activity at Pavlof Volcano increased this morning commensurate with the presence of an intense... Activity at Popocatepetl Volcano March 12, 2013 | NASA Earth Observatory "Mexico’s Popocatépetl Volcano released a plume in early March 2013. On March 8, Volcano Discovery... Ash Explosion at Cleveland Volcano June 20, 2012 | Alaska Volcano Observatory An ash explosion at Cleveland Volcano on Wednesday sent a cloud of volcanic ash up... Volcano Notification Service from USGS October 10, 2012 | USGS FROM USGS: VNS is a free service that sends email notifications about the status... Activity at Mexico’s Popocatépetl April 18, 2012 | Eruptions Blog Erik Klemetti is following the current activity at Mexico's Popocatépetl Volcano. It is producing... Orange Alert – Cleveland Volcano February 7, 2013 | Alaska Volcano Observatory "The development of a lava dome in the summit crater indicates that sudden explosions of... Cleveland Volcano Heard on Infrasound May 7, 2013 | Live Science The Alaska Volcano Observatory does not have seismic monitoring on Chuginadak Island where Mount Cleveland... The Most Powerful Volcanic Eruption of the 20th Century June 6, 2012 | Geology.com 100 Years Ago (June 6th 2012): "People in Juneau, Alaska, about 750 miles from... |