Recent Bulletin Reports

• Fernandina  |  Brief fissure eruption sends lava flow down the SW flank in early September 2017
• Aira  |  Explosions gradually decrease in frequency during 2015-2016
• Tungurahua  |  Ash emissions, explosions, and pyroclastic flows 26 February-16 March 2016; no further activity through 2017
• Galeras  |  Eruption with ash plumes May 2012-January 2014; steam emissions through 2017
• Agung  |  New eruption after 54 years; extensive pre-eruption seismicity precedes ash emission on 21 November 2017
• Bezymianny  |  Eruption continues with ash plumes and lava flows through December 2017
• Kanlaon  |  Phreatic explosions on 9 December 2017 with ashfall and high seismicity
• Copahue  |  Ash emissions and incandescence during June-July 2017; ongoing degassing with sporadic ash
• Kirishimayama  |  Explosive eruption with ash plumes in October 2017
• Heard  |  Intermittent low-to-moderate thermal anomalies end in mid-November 2017
• Reventador  |  Large pyroclastic and lava flows during late June and late August 2017; continuing ash emissions and block avalanches throughout January-September 2017
• Lopevi  |  Episodes of unrest in January and September 2017; gas-and-steam plumes