Volcanic activity worldwide 20 Apr 2020: Fuego volcano, Klyuchevskoy, Popocatépetl, Semeru, Dukono,…

Klyuchevskoy (Kamchatka): (20 Apr) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 30 kts in SE direction. The full report is as follows: VA EMISSIONS CONTINUING OBS VA DTG:20/0520Z to 22000 ft (6700 m) Aso (central Kyushu, Japan): (20 Apr) The Japan…

Fuego volcano (Guatemala): ongoing strombolian activity

INSIVUMEH recorded weak to moderate strombolian-type explosions at regular intervals of 6 to 10 per hour that generated a grey ash plume which reached approx. 14,108 ft-15,420 ft (4,300 m-4,700 m) altitude. The plumes drifted towards the southwest direction. Ashfall was reported in several areas downwind including Santa Sofía (12 km SW), Morelia (9 km SW), Panimaché I and II (8 km SW).
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Aso volcano (central Kyushu, Japan): near-constant ash emissions

The Japan Meteorological Agency (JMA) reported that explosive activity from the active crater with near-constant grey-white plumes rose 3,280 ft (1,100 m) above the summit crater and drifted northeast. The seismic station records low internal tremor. The number of volcano-tectonic earthquakes continues at high levels. Sulfur dioxide (SO2) emissions reached to a 1200 tonnes/day. The warning…