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Volcanoes Today, 1 Dec 2015: Santiaguito volcano, Colima, Awu, Turrialba, Momotombo, Zhupanovsky, Copahue

Tuesday Dec 01, 2015 19:00 PM |
Eruption plume from Zhupanovsky volcano yesterday (image: Ирина Юркова / facebook)
Eruption plume from Zhupanovsky volcano yesterday (image: Ирина Юркова / facebook)
Awu's 2004 lava dome (image: PVMBG)
Awu's 2004 lava dome (image: PVMBG)
Explosion from Colima volcano on 25 Nov (image: Hernando Rivera)
Explosion from Colima volcano on 25 Nov (image: Hernando Rivera)
Explosion from Santiaguito this morning (image: Sismos en Guatemala ‏@SismosGuate / twitter)
Explosion from Santiaguito this morning (image: Sismos en Guatemala ‏@SismosGuate / twitter)
Eruption of Momotombo volcano this morning (from TN8 Nicaragua video)
Eruption of Momotombo volcano this morning (from TN8 Nicaragua video)
Ash emission from Turrialba this morning (OVSICORI-UNA)
Ash emission from Turrialba this morning (OVSICORI-UNA)
Copahue this morning
Copahue this morning
Zhupanovsky (Kamchatka, Russia): After its re-awakening 3 days ago, a strong explosion occurred from the volcano yesterday at 13:50 local time and produced a plume that rose to approx. 30,000 ft (9 km) altitude and drifted SE. It was clearly visible even from the capital Petropavlovsk.
Whether it was a phreatic (no magma involved), or phreato-magmatic or even magmatic eruption remains unclear at the moment. The aviation color code of the volcano was raised to orange.

Awu (North Sulawesi & Sangihe Islands): Last week, PVMBG raised the alert level of Indonesia's northernmost known active volcano a notch, as small signs of new unrest had been detected recently: mostly, this is an increase in shallow seismic activity since the summer and more pronounced since the middle of November.
On the other hand, gas measurements still show low values for SO2 and CO2, typical magmatic gasses of deeper origin. An eruption is currently not expected in the near future, but increased vigilance about the volcano is in place.
... [read more]

Colima (Western Mexico): Intermittent explosions of small to moderate, sometimes large size continue to occur at the volcano. Attached image from 25 Nov shows a moderately large event.

Santiaguito (Guatemala): A phase of elevated activity has started at the volcano since 29 November. The largest event so far occurred this morning at 07:07 local time, when a strong explosion produced an ash plume that rose approx. 2-3 km and (probably) a small pyroclastic flow. Ash fall occurred in nearby villages and towns including San Marcos Palajunoj, and Finca La Florida.
During the preceding days, several smaller, but significantly larger than average explosions occurred from the Caliente lava dome, which on average had only been producing 2-3 small explosions per day before.
... [read more]

Momotombo (Nicaragua): A series of at least 4 small explosions occurred at the volcano this morning, at 07:49, 08:17, 08:42, and 08:55 local time. The eruptions, in particular the last and largest one, produced steam and ash plumes that rose up to approx. 1 km from the summit.
Light ash fall was observed in the community of El Papalonal and near the Momotombo geothermal plant to the SW of the volcano.
... [read more]

Turrialba (Costa Rica): A small eruption occurred from the volcano's western crater this morning at 06:38 local time.

Copahue (Chile/Argentina): Activity at the volcano continues to slowly increase. Over the past days, continuous explosive activity at the summit vent has been producing a plume of dark ash that reached 1-2 km height and drifted into easterly directions.
Glow is often visible at the crater during the night:
... [read more]
Previous news
Lava flows from Fuego volcano this morning
Monday, Nov 30, 2015
Zao (Honshu): (30 Nov) Signs of unrest have been reported from the volcano. According to a news article, new episodes of volcanic tremor were detected under the volcano recently, believed to be signs of increased internal fluid movements. ... [more]
Ash emission from Telica this morning
Saturday, Nov 28, 2015
Batu Tara (Sunda Islands, Indonesia): (28 Nov) We just returned from a 3-days expedition to the island during 23-26 Nov: the volcano's activity was overall at similar levels as during the previous visits between 2012-June this year, but highly variable from day to day: ... [more]
Thermal anomaly on the eastern side of the New SE crater (INGV Monte Cagliato thermal webcam)
Wednesday, Nov 25, 2015
Etna (Sicily, Italy): Since this afternoon there is a change visible in Etna's activity. Weak strombolian activity has started from the New SE crater. The activity probably started earlier today, but due to bad weather it was not observed before. ... [more]
Explosion from Nishinoshima's active main vent on 17 Nov (Japan Coast Guard)
Saturday, Nov 21, 2015
Karymsky (Kamchatka): (21 Nov) Ash plumes from the volcano drifting east at estimated 23,000 ft (7 km) altitude were reported by VAAC Tokyo yesterday. ... [more]
Glow from Etna's Voragine during a small strombolian explosion
Wednesday, Nov 18, 2015
Etna (Sicily, Italy): Strombolian activity continues in the Voragine. Hot fumaroles are visible at the New SE crater. ... [more]

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