The activity of AMBRYM volcano during the observation period from 07 August to 15 August 2012 was exceptionally wonderful because at the time of the ascent to the Marum crater, all the conditions (weather, wind, activity) were optimal for good observation of the boiling lava lake, which has a diameter of about 100 m. Multiple degassing fountains in the lake generated huge lava bubbles projecting fragments of incandescent lava to the first terrace. [less]
Lava lake of Ambrym volcano (Marum crater, photo: Ulla Lohmann)
7-days summarizing image of Ambrym and other Vanuatu Islands, showing the hot spot at Ambrym (MODVOLC)
Ambrym (Vanuatu) is showing signs of activity. After a longer period of silence on Modvolc, a strong thermal signal is again visible at Marum and Benbow craters on the MODIS Global Hot Spot monitoring tool from the University of Hawaii (ModVolc). ...more
It is difficult to obtain reliable information about the lava lakes of Ambrym during cyclone season (November until March). Often, large clouds cover the island, which makes visual observations hard. Also, our local contacts rarely climb the volcano during cyclone season. [less]
As our expedition leader Yasmin reports from our ongoing expedition on Vanuatu, exceptionally good weather conditions allowed to observe 4 active lava lakes that are at the moment present on Ambrym volcano: the largest is located in Marum's Mbuwelesu crater at a depth of ca. 400m and has a diameter of around 40 m. The 3 other lava lakes are in the pit crater Niri Mbuwelesu and inside the two pits inside Benbow crater. ...more
On 8 and 10 August, strong explosions probably occurred at Ambrym volcano. The Wellington Ash Advisory noted ash-and-steam plumes from Ambrym that rose to an altitude 6.1 km (20,000 ft) a.s.l. and drifted W and NW.
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