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Aoba Vulkan
Shield volcano 1496 m / 4,908 ft
Vanuatu, -15.4°S / 167.83°E
Aktueller Status: normal / ruhend (1 con 5)
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Ausbrüche des Aoba:
2011
Typische Aktivität:
unspecified
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News & activity updates from Aoba (Ambae) volcano

Aoba volcano (Ambae, Vanuatu): possible activity observed

So, 14. Aug 2016, 18:54
18:54 PM | VON: T
Aoba volcano Aqua satellite image from today showing what is perhaps a steam plume stretching west
Aoba volcano Aqua satellite image from today showing what is perhaps a steam plume stretching west
Wellington VAAC received a pilot report of plumes of white steam and ash rising 1000 ft (300 m) above the active crater lake Voui this morning. This could suggest that perhaps some phreatic explosions have taken place, but it is far from certain whether the volcano (with almost no monitoring on ground) is about to erupt or not.
The remote location of the volcano's large caldera and its extremely difficult make direct observations very rare.
According to GeoHazard, "Aoba probably should be considered at present times as the most dangerous volcano of the archipelago, due to the presence of a large lake in the main crater."
Strong explosive eruptions have been frequent in the past, generating dangerous mud flows that left thick lahardeposits in the central part of Ambae island and up to the coastlines.

GeoHazard's description further states:
"In case of resumption of volcanic activity in the summit area, it will be wise to evacuate, in a first phase, the population of coastal villages of the central part of the island (in a 10 km radius area surrounding Lake Vui) towards the less hazardous NE and SW extremities of the island. If the eruption occurs near these extremities, or spreads along fractures from central vents towards these extremities (where explosive activity is also possible by magma-water interaction), then it might be necessary to evacuate part of the population to Santo or Maewo-Pentecost."
Vorherige Nachrichten
Fr, 8. Feb 2013, 08:16
Vanuatu's Geohazards agency indicated that minor phreatic activity has been occurring at Lombenben volcano on Aoba (Ambae) island. ... alles lesen
Mi, 26. Dez 2012, 09:24
A SO2 plume from Aoba (Ambae) volcano on Vanuatu was reported visible on satellite images on 24 Dec according to John Seach. No thermal hot spot is currently visible from the volcano. This suggests that the volcano is strongly degassing, but not erupting at the moment. ... alles lesen
Fr, 23. Dez 2005, 13:50
Eruptive activity at Manaro volcano continues, but has decreased significantly over the past week. Scientists are monitoring the eruption, hoping that it will soon be possible to lower the alert level and permit some 3000 residents that had been evacuated to return to their homes. ... alles lesen
Di, 13. Dez 2005, 03:43
Steam and ash erupting from a vent in Lake Vui on Mount Manaro volcano, on the Vanuatu island of Ambae Monday, Dec 12, 2005. (AP Photo/Morris Harrison)
The eruption at Manaro volcano continues at low levels with mainly phreatic activity. A cone is building up inside the lake forming a small island inside the lake. There are two active vents, one of which ejects water, rocks and mud and the other is producing a tall column of steam and gas (up to 8-10,000 feet). A group of New Zealandean volcanologists has recently visited the volcano and sent the following more detailed reports: ... alles lesen
Do, 8. Dez 2005, 11:53
The eruption at Mt. Manaro volcano on Vanuatu's island of Ambae, that had started on 27th of Nov. 2005, is continuing at low or decreasing levels (although drawing a lot of media attention, probably because little other significant volcanic events are occurring at the time). Ash and steam plume rose to a maximum of about 3 km (10,000 ft) height into the air as observed on Thursday 7 Dec. According to the optinion of monitoring volcanologists there are no indications at present that the eruption might escalate. The eruption is occurring from a vent in the middle of the crater lake Vui — before the eruption known as a picturesque blue lake; this is also the main reason for the intense production of steam. ... alles lesen
 

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