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Volcanoes Today, 25 May 2015: Wolf volcano

Monday May 25, 2015 15:00 PM |
Ash plumes from Wolf volcano (VAAC Washington)
Ash plumes from Wolf volcano (VAAC Washington)
Image of Wolf volcano's eruption on 25 May 2015 (Ecuador TV / twitter)
Image of Wolf volcano's eruption on 25 May 2015 (Ecuador TV / twitter)
Wolf (Galápagos Islands, Ecuador): A large eruption might have started at the largest volcano of the Galapagos Islands - Volcán Wolf on the northern end of the archipelago's biggest island Isabela.
... [read more]
...25 May:
As day breaks on the archipelago, the first images start to emerge and media pick up on the spectacular eruption.
From images it seems that a large effusive-explosive eruption is occurring. Tall lava fountains produce an immense ash plume that rises to up to 45,000 ft (14 km) altitude, if the estimations by VAAC Washington are correct. At the same time, several lava flows descend from the vent(s), likely a fissure on the volcano.

The last eruption of Wolf volcano, a 1710 m tall shield volcano, was in 1982. That eruption, too, started with an explosive onset accompanied and followed by effusion of large lava flows from a 1 km long fissure.
Previous news
Small pyroclastic flow at Sinabung 21 May (photo: Leo Kennedy Adam / twitter)
Sunday, May 24, 2015
Shiveluch (Kamchatka): KVERT reported that during 8-15 May lava-dome extrusion onto Sheveluch’s N flank was accompanied by incandescence, hot block avalanches, and fumarolic activity. ... [more]
Saturday, May 23, 2015
Bulusan (Luzon Island, Philippines): (23 May) During 13-15 and 17-19 May PHIVOLCS reported that six or fewer volcanic earthquakes were recorded at Bulusan. Weak steam emissions were occasionally observed rising from the SW vent and from a vent on the upper NW flank; plumes drifted SW, WNW, or drifted downslope. ... [more]
Steam plume from Aso's Nakadake crater today
Friday, May 22, 2015
Aso (Kyushu): Overall, activity has decreased and incandescence has not been seen during the past nights. The current activity is dominated by strong steam and gas emissions from crater 1 and, to a lesser degree, from crater 2 in the northern end of Nakadake crater complex. ... [more]
Strong eruption from Sakurajima at 17:32 local time on 17 May, welcoming us on arrival
Wednesday, May 20, 2015
Sakurajima (Kyushu, Japan): (20 May) After a very busy 17 May, with several strong explosions sending ash plumes to up to 16,000 ft (4.5 km) altitude, the volcano has been relatively calm during 18 and most of 19 May. ... [more]
The lava lake today (USGS thermal webcam)
Monday, May 18, 2015
Batu Tara (Sunda Islands, Indonesia): Explosions (strombolian to small vulcanian style) continue at the volcano, sometimes strong enough to produce ash plumes visible on satellite images. ... [more]

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