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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)
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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.
Last earthquakes nearby
Ijen volcano tours
From Krakatau to Bali (16-days study and photo tour to Java, Indonesia)
Volcanoes of Java (17-days walking and trekking tour on Java)
Dream Come True - World Volcano Tour (4-week round-the-world trip to Hawaii - Vanuatu - New Zealand - Indonesia)
Volcanoes of East Java (4-5 days walking tour to Bromo, Semeru and Ijen)
Bromo, Semeru, Ijen (trekking tour to Semeru, Bromo, Ijen volcanoes (East Java))

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Ijen volcano (East Java, Indonesia) news & activity updates

Ijen volcano (East Java, Indonesia): weekly volcanic activity report 27 May-2 Jun 2020

Thursday Jun 04, 2020 08:03 AM | BY: MARTIN

Crater lake at Ijen volcano (image: @lubihph/twitter)
Crater lake at Ijen volcano (image: @lubihph/twitter)
PVMBG reported that on 29 May a gas explosion at Ijen generated a plume that rose 820-1,640 ft (250-500 m) above the surface of the lake.
According to news articles two sulfur miners heard the explosion from under the water at 12:30 local time, which created 3 m high waves in the lake. The miners ran but one tripped and fell into the lake. Search efforts were unsuccessful after three hours and, due to weather conditions and an increased amount of gas in the crater area, had to be suspended.
PVMBG noted that patterns of various types of earthquakes did not indicate increased activity during 17 January-29 May.
The temperature of the lake water fluctuated between 24.5 and 40.3 degrees Celsius. A lot of rain in the past few months increased the volume of the lake, possibly contributing to a disruption in the system, though these seasonal changes were within normal ranges at the volcano.
The Alert Level remained at 1 (on a scale of 1-4), and residents and visitors were advised to not approach the crater rim or descend to the crater floor.
Source: Smithsonian / USGS Weekly Volcanic Activity Report 27 May-2 Jun 2020
Previous news
Thursday, Oct 08, 2015
Access to the volcano's famous crater lake (and its sulfur mining area) has been temporarily closed by authorities. It seems that weak phreatic explosions occurred under the lake on 1 October, without causing damage or fatalities. read all
Wednesday, Dec 17, 2014
Impressions from our last expedition, which included a night-time visit at Ijen volcano to see the famous blue flames. ... read all
Thursday, Aug 14, 2014
Due to decreased volcanic seismicity the Alert Level for Ijen was lowered to 1 (on a scale of 1-4) on 11 August. ... read all
Wednesday, Aug 28, 2013
CVGHM reported that during 1 July-25 August diffuse white plumes rose 100-150 m above Ijen's crater, the lake water was light green, and seismicity decreased. read all
Wednesday, Apr 03, 2013
Authorities have decided to close access to Kawah Ijen. The decision was based on elevated seismic and degassing activity observed since 20 March. Gas plumes often reach more than 100 m in height. ... read all

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