Aira volcano (Kyushu, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 13 September-19 September 2017 (Continuing Activity)
JMA reported that during 4-11 September there were 52 events detected at Showa Crater (at Aira Caldera's Sakurajima volcano), seven of which were explosive and ejected material as far as 500 m. Ash plumes rose as high as 2.4 km above the crater rim. Crater incandescence was observed most nights.
Wed, 13 Sep 2017, 06:0006:00 AM | BY: VN
The Alert Level remained at 3 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
From: Global Volcanism Program, 2017. Report on Aira. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 13 September-19 September 2017. Smithsonian Institution and US Geological Survey.
Tue, 12 Sep 2017, 19:15
Sakurajima volcano Volcanic Ash Advisory: ERUPTED AT 20170912/1851Z FL080 EXTD E OBS VA DTG: 12/1840Z
Mon, 11 Sep 2017, 22:45
Sakurajima volcano Volcanic Ash Advisory: EXPLODED AT 20170911/2226Z OVER FL050 EXTD NE OBS VA DTG: 11/2220Z