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Volcanoes Today, 27 Apr 2015: Karymsky volcano, Barren Island, Dukono, Sakurajima, Calbuco, Manam

Monday Apr 27, 2015 10:00 AM |
Ash plume from Sakurajima's explosion this morning
Ash plume from Sakurajima's explosion this morning
SO2 plume from Manam volcano today (NOAA)
SO2 plume from Manam volcano today (NOAA)
Karymsky (Kamchatka): An explosion occurred this morning that was strong enough to produce an ash plume to approx. 10,000 ft (3 km) altitude (VAAC Tokyo).

Sakurajima (Kyushu, Japan): Strong activity continues from the volcano. This morning (14:24 local time), an explosion at the Showa crater sent a plume to 15,000 ft (4.5 km) altitude that drifted north.

Manam (Papua New Guinea): Eruptive activity is taking place at the volcano. VAAC Darwin reported an ash plume to 8,000 ft from the volcano this morning. A pronounced SO2 plume can be seen on satellite data as well.

Dukono (Halmahera): The volcano continues to produce significant ash emissions - a plume extending 20 nautical miles E was observed Saturday (Darwin VAAC).

Calbuco (Southern Chile and Argentina): Activity has been lower yesterday, but weak ash emissions continued at least intermittently.
Sernageomin reported decreasing levels of seismic activity yesterday, dominated by 283 volcanic-tectonic quakes mostly at 8 km depth, as well as weak volcanic tremor. It is unclear whether the eruptive phase is ending or heading towards a new phase of magmatic activity, with the possible scenario of new larger exposive and/or effusive (lava flows, lava dome emplacement) activity.
A main hazard at the moment is the occurrence of lahars, mudflows that are generated when rainwater mobilizes the abundant fresh ash deposits.

Barren Island (Indian Ocean): A pilot reported an ash plume rising to 10,000 ft from the volcano. Likely, eruptive activity which had produced a new lava flow in March is still going on or has resumed.
Previous news
Exlosion at Nakadake volcano (Aso volcano) this morning
Saturday, Apr 25, 2015
Aso (Kyushu): Mild to moderate strombolian explosions from the Nakadake crater have become continuous. ... [more]
Strombolian explosion at Turrialba this morning
Friday, Apr 24, 2015
Turrialba (Costa Rica): The ejection of incandescent lava in small strombolian-type explosions has been observed since 03:40 this morning at the volcano's crater. This means that new magma has now arrived at the crater. ... [more]
Sub-plinian eruption of Calbuco this morning (image: C.I.M.A.T / facebook)
Thursday, Apr 23, 2015
Calbuco (Southern Chile and Argentina): The 21 y-o mountaineer who was missing and feared victim of the eruption has survived and has been rescued, fortunately. Together with a small group of friends, he was on excursion on the mountain when the eruption occurred last night. ... [more]
Ash plume from Nevado del Ruiz Monday afternoon (INGEOMINAS)
Wednesday, Apr 22, 2015
Aso (Kyushu): Mild strombolian activity with low-level ash emissions continue from the Nakadake crater. ... [more]
Lava flow on Fuego early on 18 April 2015
Monday, Apr 20, 2015
Fuego (Guatemala): A more intense phase of activity with the effusion of a 2 km long lava flow on the southeastern slope into the Taniluya canyon occurred during 17-18 April. ... [more]

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