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Volcanic activity worldwide 23 Jun 2015: Sinabung volcano, Nishino-shima
Tue, 23 Jun 2015, 21:00
21:00 PM |
Landsat 8 infrared image of Nishinoshima on 21 June 2015 showing the active areas (vent and lava delta)
Nishino-shima (Volcano Islands, Japan)
Pyroclastic flow at Sinabung 22 June 2015 evening (photo: Mbah Lëwå / facebook)
: The eruption on the island continues with apparently relatively steady lava effusion that feeds active flows reaching and enlarging the SE corner of the island, which has now 2.7 square kilometer of surface.
Mild strombolian activity and strong degassing occurs at the main vent, where a nice cinder cone has grown. The lava mostly flows through tubes, where it is hidden, to reach the active lava delta on the SE tip of the island. A smaller part seems also to feed/inflate inland surface lava flows in an area NE of the cone.Sinabung (Sumatra, Indonesia)
: A series of larger pyroclastic flows occurred yesterday, reaching lengths of up to 4.5 km and producing ash plumes that rose up to approx. 4 km.
Most likely, the now relatively large dome is currently again a phase of increased destabilization and more of such dangerous pyroclastic flows (hot block and ash flows) can be expected.
Zhupanovsky (Kamchatka, Russia)
: A small ash emission from the volcano was reported on Saturday. Based on satellite imagery, an ash plume rose to 24,000 ft (7.2 km) altitude and drifted north (Tokyo VAAC). ... read all
: (16 Jun
) A small eruption occurred at the volcano this morning around 9am local time. ... read all
Sinabung (Sumatra, Indonesia)
: (14 Jun
) Pyroclastic flows caused by collapse of parts of the viscous dome on the volcano's summit have started to be more frequent and larger again. Yesterday, about ten flows were generated that descended both through the SE and the ENE channel, reaching up to 3 km distance. ... read all
: (12 Jun
) The Japan Meteorological Agency (JMA) raised the alert of the volcano from 1 to 2 (on a scale of 1-5), as the volcano has recently been showing growing signs of unrest - increased seismic activity and strongly elevated gas emissions. ... read all
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