Galunggung volcano (Western Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 23 May-29 May 2012 (New Activity / Unrest)

Wed, 23 May 2012, 06:00
06:00 AM | BY: VN
CVGHM reported that, since the Alert Level was raised on 12 February, seismic activity at Galunggung had drastically decreased through 27 May. During 27 April-27 May plants around the crater area looked green and lush, small fish were swimming in the water, and insects around the crater were active. Based on seismic data, crater lake water temperature and pH data, and visual observations, CVGHM lowered the Alert Level from 2 to 1 (on a scale of 1-4) on 28 May.

Source: Pusat Vulkanologi dan Mitigasi Bencana Geologi (PVMBG, also known as CVGHM)
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From: Global Volcanism Program, 2012. Report on Galunggung. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 23 May-29 May 2012. Smithsonian Institution and US Geological Survey.

Previous news

Mon, 13 Feb 2012, 16:01
The alert status of Galunggung volcano in West Java, Indonesia, was raised today (Mon 13 Feb 2012) due to an increase of its water temperature and a change in color. ... Read all
Wed, 8 Feb 2012, 06:00
On 13 February, CVGHM reported that from September 2011 to 8 February 2012 discolorations in the crater lake water at Galunggung were observed. In addition, a sudden increase in water temperature was measured, from 27 degrees Celsius on 5 February to 40 degrees on 8 February. Based on seismic data and crater lake observations, CVGHM raised the Alert Level from 1 to 2 (on a scale of 1-4) on 12 February and recommended staying at least 500 m away from the lake shore. ... Read all
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