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Volcanic activity worldwide 27 Apr 2015: Karymsky volcano, Barren Island, Dukono, Sakurajima, Calbuco, Manam
Monday Apr 27, 2015 21:00 PM |
Ash plume from Sakurajima's explosion this morning
SO2 plume from Manam volcano today (NOAA)
Karymsky (Kamchatka): (27 Apr) 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): (27 Apr) 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): (27 Apr) 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): (27 Apr) 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): (27 Apr) 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): (27 Apr) 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.
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]
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]
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