Suwanosejima volcano (Ryukyu Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 November-1 December 2020 (Continuing Activity)
JMA reported nighttime incandescence and intermittent eruptive activity at Suwanosejima's Ontake Crater during 20-27 November. A total of 34 explosions were recorded, ejecting bombs up to 700 m away from the crater and producing gray-and-white plumes that rose 1.4 km above the crater rim. The Tokyo VAAC noted that ash plumes drifted S and SE.
Wed, 25 Nov 2020, 06:0006:00 AM | BY: VN
Ashfall was reported in Toshima village (4 km SSW). Crater incandescence was visible from the morning of 20 November through 22 November. The Alert Level remained at 2 (on a 5-level scale).
Sources: Japan Meteorological Agency (JMA), Tokyo Volcanic Ash Advisory Center (VAAC)
From: Global Volcanism Program, 2020. Report on Suwanosejima. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 25 November-1 December 2020. Smithsonian Institution and US Geological Survey.
Tue, 24 Nov 2020, 22:00
Suwanose-jima Volcano Volcanic Ash Advisory: ERUPTED AT 20201124/2141Z OVER FL060 EXTD S OBS VA DTG: 24/2130Z
Tue, 24 Nov 2020, 15:30
Suwanose-jima Volcano Volcanic Ash Advisory: EXPLODED AT 20201124/1503Z FL060 EXTD S OBS VA DTG: 24/1500Z