Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 10 August-16 August 2011 (New Activity / Unrest)
According to a news article, two eruptions from Marapi occurred on 9 August. The article also noted that the Alert Level remained at 2 (on a scale of 1-4).
mer., 10 août 2011, 06:0006:00 AM | AUTEUR : VN
Source: Metro TV News
From: Global Volcanism Program, 2011. Report on Marapi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 10 August-16 August 2011. Smithsonian Institution and US Geological Survey.
mer., 27 juil. 2011, 06:00
Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 July-2 August 2011 (New Activity / Unrest)
CVGHM reported increased seismicity from Marapi during 21 June-3 August. Observers noted that during June and July white plumes rose 15-75 m above the summit craters. On 1 August white plumes rose 15 m above the main crater; fog prevented observations the next day. ... Read all
mer., 20 juil. 2005, 06:00
Marapi volcano (Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 July-26 July 2005 (New Activity / Unrest)
DVGHM raised the Alert Level at Marapi from 1 to 2 on 18 July after the number of earthquakes increased dramatically during 8-14 July. During this period, the volcano's seismic network recorded 112 deep volcanic earthquakes. Normally, an average of 7 deep volcanic earthquakes occur in 1 week. ... Read all