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Ijen volcano (East Java, Indonesia): activity calms down

Tue, 17 Apr 2012, 22:15 | BY: T
The crater lake Kawah Ijen on 7 April 2012 (photo: Andi / VolcanoDiscovery)
The crater lake Kawah Ijen on 7 April 2012 (photo: Andi / VolcanoDiscovery)
Ijen volcano in East Java has calmed down again, although its alert level is still at 3 (out of 4).
Our expedition leader Andi visited the volcano and the observatory and confirms that seismic activity and degassing from the lake have decreased during the past 2-3 weeks. However, PVMBG ( the Volcanological Survey of Indonesia) still keeps the status at level 3 ("eruption warning") and the crater is off-limits to tourists.

Previous news

Sun, 25 Mar 2012, 10:05

Ijen volcano (East Java, Indonesia) activity update: increased water temperature, strong degassing and steaming

CVGHM reported on 25 March that Ijen's lake water chemistry changed during 10 January-17 March, exhibiting a significant increase in carbon dioxide, especially after 5 February, and an increase in acidity. The lake surface temperature increased from 28.8 degrees Celsius on 3 March to 45.1 degrees Celsius on 17 March. The lake water temperature at a depth of 5 m also rose from 42.7 to 44.7 degrees Celsius on 3 and 17 March, respectively. Seismicity increased starting in March. The Alert Level remained at 2. ... Read all
Wed, 21 Mar 2012, 06:00

Ijen volcano (Eastern Java, Indonesia) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 March-27 March 2012 (New Activity / Unrest)

On 24 March, CVGHM reported that Ijen's lake water chemistry changed during 10 January-17 March, exhibiting a significant increase in carbon dioxide, especially after 5 February, and an increase in acidity. The lake surface temperature increased from 28.8 degrees Celsius on 3 March to 45.1 degrees Celsius on 17 March. The lake water temperature at a depth of 5 m also rose from 42.7 to 44.7 degrees Celsius on 3 and 17 March, respectively. ... Read all
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Ijen volcano
Stratovolcano 2799 m / 9,183 ft
East Java, Indonesia, -8.06°S / 114.24°E
Current status: normal or dormant (1 out of 5) Ijen volcano eruptions:
1796, 1817, 1917, 1936, 1952, 1993, 1994, 1999, 2000(?), 2002(?)
Typical eruption style
Explosive. Contains a large acid crater lake, intense fumarolic activity.
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