Recent Bulletin Reports

• Piton de la Fournaise  |  Eruptive episodes in February-March and June 2019; multiple fissures and lava flows
• Semeru  |  Decreased activity after October 2018
• Heard  |  Thermal hotspots continue during October 2018-March 2019 at the summit and on the upper flanks
• Dukono  |  Numerous ash explosions from October 2018 through March 2019
• Rincon de la Vieja  |  Occasional weak phreatic explosions continue through February 2019
• Turrialba  |  Frequent passive ash emissions continue through February 2019
• San Cristobal  |  Weak ash explosions in January and March 2019
• Semisopochnoi  |  Minor ash explosions during September and October 2018
• Asosan  |  Multiple brief ash emission events during April and May 2019; minor ashfall in adjacent villages
• Nyamuragira  |  Lava lake reappears in central crater in April 2018; activity tapers off during April 2019
• Tengger Caldera  |  New explosions with ash plumes from Bromo Cone mid-February-April 2019
• Karangetang  |  Activity at two craters with the N crater producing ash plumes, avalanches, pyroclastic flows, and lava flows that reached the ocean in February 2019