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Glowing avalanche at Sinabung volcano yesterday night (image: Endro Lewa / facebook)
No significant changes have occurred in the ongoing effusive-explosive eruption of the volcano. The slow lava dome growth continues to feed a prominent lava lobe on the upper ESE flank that sheds glowing avalanches.
Occasional larger collapses of this lava lobe produce more violent pyroclastic flows.
In addition, the volcano continues to produce explosions, caused by trapped, pressurized gasses contained in the magma from the upper conduit or the dome itself. These vertical explosions have been occurring at rates of one per day on average recently. This morning, an ash plume rose to 15,000 ft (4.5 km) altitude, i.e. approx. 2 km above the summit.
Courtesy of volcanodiscovery.com
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