Manam volcano (Papua New Guinea) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 December-28 December 2021 (Continuing Activity)
The Darwin VAAC reported that a large thermal anomaly over Manam was identified in satellite images during 21-22 December. A discrete ash plume rose to 3.4 km (11,000 ft) a.s.l. and drifted SE on 21 December.
Wed, 22 Dec 2021, 13:4313:43 PM | BY: VN
Ash plumes may have risen to 10.7 km (35,000 ft) a.s.l. during 0137-0300 on 22 December, though weather clouds and heavy rain obscured satellite views; the plumes were unconfirmed by ground observers. At 1200 on 22 December an ash plume rose to 4.9 km (16,000 ft) a.s.l., drifted E, and dissipated within four hours.
Source: Darwin Volcanic Ash Advisory Centre (VAAC)
From: Global Volcanism Program, 2021. Report on Manam. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 22 December-28 December 2021. Smithsonian Institution and US Geological Survey.
Tue, 21 Dec 2021, 22:45
Tue, 21 Dec 2021, 13:30
Manam Volcano Volcanic Ash Advisory: DISCRETE VA EMISSION TO FL110 OBS AT 21/1250 EXT SE to 11000 ft (3400 m)