Map of today's active volcanoesEtna (Sicily, Italy): The National Institute of Geophysics and Volcanology (INGV) in Catania reported that a new lava flow commenced at the volcano today.At about 18:00 local time, the lava formation began to descend from a new flank vent near Monte Simone at an altitude of 2,100 meters. The lava flow continues to descend towards the Valle del Bove caldera. At the time of this update, the lava flow front has been located south of Rocca Mussara. Le prime spettacolari immagini della nuova eruzione effusiva in corso a quota 2.000 metri all'interno della Valle del Bove dell'#Etna! La colata di lava ha raggiunto quota 1.500 m e al momento non minaccia alcuna area abitata. Video di Emilio Messina pic.twitter.com/J9JGm43G8D— Il Mondo dei Terremoti (@mondoterremoti) January 1, 2026 Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA LAST REPORTED AT 01/0709Z MOV SW EST VA DTG:01/0850ZSemeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in E direction.The full report is as follows: VA TO FL150 LAST REPORTED AT 31/1137Z MOV ENE to 15000 ft (4600 m)Dukono (Halmahera): (1 Jan) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 and is moving at 05 kts in S direction.The full report is as follows: VA TO FL070 OBS AT 31/2320Z OBS VA DTG:31/2320Z to 7000 ft (2100 m)Aoba (Vanuatu): Volcanic Ash Advisory Center Wellington (VAAC) issued the following report: NO EVIDENC OF ASH OBS VA DTG:01/2016ZPopocatépetl (Central Mexico): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS NOT OBSSantiaguito (Guatemala): Mild explosive activity continues from the volcano. The Volcanic Ash Advisory Center (VAAC) Washington reported intermittent emissions of volcanic ash plumes.The full report is as follows: sporadic emissions of volcanic ashFuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .The full report is as follows: VA EMS OBS to 14000 ft (4300 m)Puracé (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS ONGOINGReventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LIKELY VA EMS