Etna (Sicily, Italy): (8 Feb) A new lava flow began to erupt from a new vent at the southern base of the Bocca Nuova summit crater this evening. The National Institute of Geophysics and Volcanology in Catania (INGV) reported that this activity started from around 18:35 local time and that the vent is located at approx. 3000 m elevation below the saddle between Bocca Nuova and the SE crater.
Volcanic tremor has not shown significant increase, suggesting that the effusion rate is small. No explosive activity or ash emissions have been observed to accompany the activity.
No significant ground deformation has been detected, implying that no major volumes of magma have moved underground.
Kolumbo (Greece): (9 Feb) There’s no significant change it seems: earthquakes continue to be frequent, but also a slowly decreasing trend over the past 24 hours.
The last event above magnitude 5 was yesterday morning, since then, „only“ 10 quakes higher than magnitude 4 have occurred. The trend of decrease is best seen when looking at the combined energy over time (s. attached graphics).
Santorini (Cyclades, Greece): (9 Feb) There’s no significant change it seems: earthquakes continue to be frequent, but also a slowly decreasing trend over the past 24 hours.
The last event above magnitude 5 was yesterday morning, since then, „only“ 10 quakes higher than magnitude 4 have occurred. The trend of decrease is best seen when looking at the combined energy over time (s. attached graphics).
Sakurajima (Kyushu, Japan): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 45 kts in SE direction.
The full report is as follows: EXPLODED AT 20250209/1103Z OVER FL110 EXTD SE OBS VA DTG:09/1140Z to 12000 ft (3700 m)
Ibu (Halmahera, Indonesia): 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 .
The full report is as follows: VA TO FL070 REPORTED AT 09/1411Z MOV SE EST VA DTG:09/1620Z to 7000 ft (2100 m)
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION LAST REPORTED AT 09/1537Z EST VA DTG:09/1650Z
Dukono (Halmahera): (9 Feb) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 .
The full report is as follows: VA TO FL080 OBS AT 08/2340Z MOV SE OBS VA DTG:08/2340Z to 8000 ft (2400 m)
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 and is moving at 15 kts in NE direction.
The full report is as follows: NEW LGT VA EMS AND GAS OBS to 19000 ft (5800 m)
Santiaguito (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 and is moving at 10 kts in NW direction.
The full report is as follows: CONT LGT VA EMS OBS to 14000 ft (4300 m)
Nevado del Ruiz (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: NEW VA EMS OBS to 20000 ft (6100 m)
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMS
Volcano Activity Summary for 9 Feb 2025:
