Volcanic activity worldwide 26 Jan 2023: Popocatépetl volcano, Krakatau, Reventador, Sangay, Yasur,...

Suwanose-jima (Ryukyu Islands): (26 Jan) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20230126/0708Z FL050 EXTD NW OBS VA DTG:26/0700Z

Krakatau (Sunda Strait, Indonesia): (26 Jan) The explosive eruption at the volcano continues.
Two short-term lava fountaining episodes (so-called paroxysm) occurred from the cinder cone during the last night. The PVMBG surveillance cameras observed two intense glow events accompanied by emissions of incandescent, fluid lava at 1-hour time range intervals lasting 20 and 40 seconds, at 22:56 and 00:03 local time.
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Later on, in the early morning, three powerful vulcanian-sized eruptions took place from the cone, spewing vertical grey-to-black dense ash clouds to approx. 500-700 meters elevation.

Yasur (Tanna Island, Vanuatu): (26 Jan) The explosive activity at the volcano continues.
Intermittent small to moderate ash emissions and near-frequent minor-sized strombolian eruptions continue to be produced generating lava bombs from the crater.
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A satellite image from few days ago shows the ongoing glowing inner summit area and gas emissions hinting rise of fresh juvenile magma in the conduit.
The Volcanic Alert Level remains at Level 2. The public was reminded not to enter the restricted area within 600 m around the cone, defined by Danger Zone A on the hazard map.


Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows: VA EMS PSBL to 21000 ft (6400 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 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: VA EMS OBS to 19000 ft (5800 m)
...26 Jan:
The explosive eruption at the volcano continues.
The Servicio Geológico Colombiano (SGC) reported that an eruption took place at 07:10 AM local time on 23 January. The Volcanic Ash Advisory Center (VAAC) Washington detected an ash plume that rose to estimated 20,000 ft (6,100 m) altitude and drifted north direction.
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The seismic station registered continuous seismic activity (tremor and long-period/low-frequency earthquakes) hinting elevated fluid movements of gas, water and possibly magma under the surface.
A moderate ash fall has been reported in Manizales (Caldas).


Sangay (Ecuador): 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 .
The full report is as follows: FRQT TO CONS VA EMS. to 19000 ft (5800 m)

Reventador (Ecuador): 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 ash

Cotopaxi (Ecuador): (26 Jan) 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: VA OBSD MOVG WSW. to 20000 ft (6100 m)

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 and is moving at 15 kts in W direction.
The full report is as follows: PUFF EMISSIONS to 25000 ft (7600 m)

Lascar (Northern Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: SVO COLOR CHANGED