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Diaporama
Egon volcan
Stratovolcano 1703 m / 5,587 ft
Flores, Indonésie, -8.67°S / 122.45°E
Condition actuelle: normal / en sommeil (1 sur 5)| Reports
Egon livres
Eruptions du volcan Egon:
2005, 2004 (Mar-Sep), 2004 (Jan-Feb), 1888(?)-1892(?)
Style éruptif tipique:
Explosive. Strong fumarolic activity.
Derniers séismes proches
Derniers images satellite

 

Egon volcano news:

Sat, 6 Feb 2016, 11:17
Volcanic unrest has decreased at the volcano, making the likelihood of an impending eruption smaller. The volcano's alert level was lowered from 3 to 2 (on a scale of 1-4). ...plus [lire toutes]
Mon, 18 Jan 2016, 16:54
An eruption warning remains in place. Increased sulfur smells have been noted from the volcano which had been raised to second highest alert on 13 Jan. ...plus
Wed, 13 Jan 2016, 23:06
Following a further increase in seismic activity, an eruption warning for the volcano was issued this morning. Residents living at the feet of the volcano were asked to evacuate for safety reasons. ...plus [lire toutes]
Thu, 17 Dec 2015, 10:27
Seismic unrest has been detected at the volcano. On 15 Dec, VSI raised the alert level of the volcano from 1 to 2 ("waspada", watch), on a scale of 1-4. ...plus
Thu, 10 Feb 2005, 01:56

The following is an abbreviated report following a message posted on the Volcano Listserv (9 Feb. 2005) and a message from the Volcanological Survey of Indonesia who monitor the Indonesian volcanoes:

...plus [lire toutes]

Background

1703-m-high Gunung Egon volcano is one of the active volcanoes of Flores. After about a century of being dormant, the volcano came suddenly back to  live in 2004, triggering the evacuation of about 7000 people.


The barren, sparsely vegetated summit region has a 350-m-wide, 200-m-deep crater that sometimes contains a lake.  Other small crater lakes occur on the flanks of the cone. A lava dome forms the southern summit. Solfataric activity occurs on the crater wall and rim and on the upper southern flank.   Reports of historical eruptive activity prior to explosive eruptions in 2004 are inconclusive.  A column of "smoke" (ash?)was often observed above the summit during 1888-1891 and in 1892.  Strong "smoke" emission in 1907 reported in 1917 was considered by the Catalog of Active Volcanoes of the World (Neumann van Padang, 1951) to be an historical eruption, but it is likely that it had been confused with an eruption on the same date and time from Lewotobi Lakilaki volcano.


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Adapted from GVP, Smithsonian Institution


 

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