Volcanic activity worldwide 2 Jun 2021: Etna volcano, Fuego, Semeru, Reventador, Nyiragongo, Sangay,...

Etna (Sicily, Italy): The volcano produced yet another lava-fountaining episode or paroxysm from the New SE crater this morning. 3 days since the previous one, it followed the by now "usual pattern":
Volcanic tremor began to increase from around 8 am, followed by the onset of weak strombolian explosions at the New SE crater's saddle vent from around 9:45. This activity increased slowly first, then very quickly reached the phase of lava fountains at 10:30 local time, generating an eruptive column that rose several kilometers and drifted east-southeast.
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Ash and small lapilli (up to 1.0-1.5 cm) was falling in the northern part of Zafferana Etnea and in Santa Venerina town.
The activity also produced a modest overflow of lava, which traveled southwest. During the phase of maximum intensity, the lava fountains reached heights of 300-400 m. Two vents were periodically active in the "saddle" area, as already observed during the eruptive episodes on 28 and 30 May 2021.

Suwanose-jima (Ryukyu Islands): (2 Jun) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.

Semeru (East Java, Indonesia): (1 Jun) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin 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 REPORTED TO FL140 AT 01/2316Z MOV SE OBS VA DTG:01/2340Z to 14000 ft (4300 m)

Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows: VA EMS CONT to 15000 ft (4600 m)

Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 15 kts in NW direction.
The full report is as follows: CONT VA EMS to 22000 ft (6700 m)

Reventador (Ecuador): 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: NEW VA EMS to 14000 ft (4300 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 .
The full report is as follows: continuous ash emissions to 25000 ft (7600 m)

Nevados de Chillán (Central Chile): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 25 kts in NE direction.
The full report is as follows: PUFF EMISSIONS to 14000 ft (4300 m)

Nyiragongo (DRCongo): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 5 kts in W direction.
The full report is as follows: ERUPTION AT 20210522/1630Z IS DECREASING OBS VA DTG:02/1500Z to 18000 ft (5500 m)

Volcano Activity Summary for 2 Jun 2021: