Recent Bulletin Reports

• Nyiragongo  |  Ongoing lava lake activity in the summit crater through September 2023
• Dempo  |  Weak explosions, some with ash, from the crater lake during July and August 2023
• Masaya  |  Thermal anomalies in the summit crater during February-July 2023
• Manam  |  Low thermal activity during January-June 2023
• Popocatepetl  |  Daily gas-and-ash emissions, ashfall, and explosions during April-July 2023
• Santa Maria  |  Frequent explosions, lava flows, ash plumes, and pyroclastic flows during April-July 2023
• Fagradalsfjall  |  New eruption consisted of lava flows and fountains during July-August 2023
• Fuego  |  Daily explosions, ash plumes, ashfall, and pyroclastic flows during April-July 2023
• Reventador  |  Daily explosions, gas-and-ash emissions, and block avalanches persisted during April-July 2023
• Ol Doinyo Lengai  |  Continued thermal activity at the summit crater during February-July 2023
• Cotopaxi  |  Ash emissions, ashfall, and occasional lahars during February-July 2023
• Nevado del Ruiz  |  Intermittent gas-and-ash plumes, ashfall events, and seismicity during February-July 2023
• Tofua  |  Thermal anomalies persisted in the Lofia crater during February-July 2023