Volcanic activity worldwide 15 Aug 2019: Etna volcano, Fuego, Karymsky, Popocatépetl, Dukono, Reven...

Etna (Sicily, Italy): Ash emissions occurred this morning from the northeast crater. It seems that the ash, brownish in color, was cold and composed of older material, likely from internal collapses in the crater (a portion of the crater rim had collapsed a few days ago).
There is currently no eruptive activity at the volcano involving fresh lava and monitoring signals do not suggest an immediate change likely; only a weak thermal anomaly continues to be present from the southeast crater complex.
Of course, this can change very quickly, particularly at a volcano as active as Etna.

Karymsky (Kamchatka): During the past days, the volcano has been very active, producing frequent explosive eruptions with ash emissions that rose up to 3-5 km above the crater.

Our group on the ongoing expedition to Kamchatka's volcanoes was lucky enough to observe this activity from close - they stayed 3 days and 3 nights near the volcano along with scientists from the Institute of Volcanology and Seismology of Petropavlovsk.
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Irina from our team reported: "On Aug 12 ... we flew to Karymsky. Had dinner. ... The next day everyone went to the volcano. Met a bear, he saw us and left. At that moment, the volcano erupted with a large ash emission, near-continuous puffs of ash lasting into the evening.
The next day, the group went to the lake, and there they also saw a bear, he walked along the shore, but he did not see them. After lunch, then bang, and the volcano produced an eruption column of about 3 km height. This phase lasted 3 hours. ...


Aso (central Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: POSS ACTIVITY CONT. VA CLD UNKNOWN AT 20190815/1800Z

Sangeang Api (Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 .
The full report is as follows: INTERMITTENT VA EMISSION TO FL100 MOV W/NW OBS VA DTG:15/1946Z to 10000 ft (3000 m)

Dukono (Halmahera): 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: CONTINUOUS VA EMISSION TO FL070 OBS VA DTG:15/1342Z to 7000 ft (2100 m)

Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18500 ft (5600 m) altitude or flight level 185 .
The full report is as follows: CONS VA EMS IN STLT MOV IN MULT DIRECTONS. to 18500 ft (5600 m)

Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSS VA EM 15/0921Z

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VONA RPRT OF VA AT 1305Z

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 24000 ft (7300 m) altitude or flight level 240 and is moving at 10 kts in SW direction.
The full report is as follows: continuous ash emissions to 24000 ft (7300 m)

Piton de la Fournaise (La Réunion): Early this morning, the eruption, which had started on 11 Aug, paused for a bit more than 4 hours and then resumed again at 08:30 local time.
Eruptive activity remained at the second (lower) fissure at approx. 1500 m altitude, but the output rate of magma is now low.
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Last evening, lava emission was taking place from two points on the fissure, feeding multiple lava flow branches that merged after approx. 500 m. Due to the comparably low emission rate, the flow front at between 600 and 650 m altitude had not progressed much and remained at approx. 2 km distance from the road.