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Diaporama
Actualités
Comparison of the crater lakes in June (l) and July (r) (VSI)
Monday, Jul 15, 2013
The alert level of the volcano has been placed back to green (normal) by the Indonesian Volcanological Survey. The increased evaporation and the change of color of two of the three crater lakes, that had prompted the raise in alert status in June, have returned to normal levels or been reverted in July, suggesting that the crisis of the volcano is over. ... [details]
Wednesday, Jun 05, 2013
VSI raised the alert level of the volcano on Flores, famous for its 3 differently colored crater lakes, from 1 to 2 ("normal" to "waspada", "watch") on a scaled of 1 to 4, after one of the 3 crater lakes turned from blue to white on 3 June. In addition, a strong smell of sulfur was noted by people from Pemo village a few kilometers south. ... [details]
 

Kelimutu volcan

Complex volcano 1639 m / 5,377 ft
Flores, Indonésie, -8.77°S / 121.82°E
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Kelimutu livres
Last update: 15 Jul 2013
Style éruptif tipique: Explosive
Eruptions du volcan Kelimutu: 1968, 1938, 1865 No recent earthquakes
HeureMag. / DepthDistanceLocation
Kelimutu (Keli Mutu) volcano in central Flores, Indonesia, is famous for its 3 colorful acid crater lakes, where different salts and oxides in suspension or solution give the lakes varying colors ranging from blue and dark green to intense red. In historic times, few small phreatic explosions have been the only activity at the volcano.
The scenic craters with their lakes are popular tourist destinations.

Introduction:

The western lake, Tiwi Ata Mbupu (Lake of Old People) is commonly blue. Tiwu Nua Muri Kooh Tai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched, or Enchanted Lake), which share a common crater wall, are commonly green- and red-colored, respectively, although lake colors vary periodically. During the dry season reduction processes let Ba, Cu, and As minerals precipitate, in the wet season, the oxidation and precipitation of iron minerals (ferric oxide: Fe2O3) produces intense red colors.
Active upwelling occurs at the two eastern lakes and is probably fed by subaqueous fumaroles.
Kelimutu volcano is flanked by the older cones of Kelido and Kelibara 3 km to the north and 2 km to the south, respectively.
(Source: GVP)

Kelimutu Photos:



1995 fatal accident & measurements of the lake
A Dutch tourist fell into Tiwu Nua Muri Kooh Tai lake and died. Rescue searchers climbed into the crater with ropes and oxygen gas masks. During their 5days unsuccessful rescue efforts, they also carried out interesting measurments of the lake. The pH of the lake was measured at 0.5, its temperature 37°C, and minor bubbling was observed at the surface. ...plus

1993 seismic unrest
Kelimutu showed increased seismic activity in February-April 1993, with 318 deep and 196 shallow earthquakes recorded.
(Source: GVP monthly activity reports)

1986 unrest - increased gas bubbling
...plus

Derniers images satellite

 

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