Volcano Discovery Wednesday Mar 06, 2013 17:54 PM
Lava fountains during lst night's paroxysm
Strombolian activity in Etna's Voragine crater
Popocatépetl this morning (CENAPRED webcam)
Etna (Sicily, Italy): Another paroxysm occurred from the New SE crater during the night. Following a period of increasing strombolian activity, large lava fountains were rising from vent in the saddle between the old and new SE crater as well its summit vent.
Shiveluch (Kamchatka): Several (3 or 4) relatively larg collapses of the lava dome occurred today between between 05:00 and 06:30 (GMT). The events triggered pyroclastic flows which traveled through the valley between the active dome and a relict flank of an older dome to the east. The largest flow reached about 4 km distance.
Ash plumes from the flows rose to an altitude of 14,000 ft (4.3 km) and drifted east.
Sakurajima (Kyushu, Japan): The volcano remains quite productive, with no less than 5 vulcanian explosions recorded yesterday by Tokyo VAAC. The largest produced a plume rising to 10,000 ft (3 km) altitude.
Tangkubanparahu (West Java): Eruptive activity has started in the form of intermittent ash explosions from the crater since 4 March. So far, the explosions were small and phreatic in origin (no fresh magma involved, caused by overheated groundwater), according to Surono, head of the Center for Volcanology and Geological Hazard Mitigation (PVMBG) in Bandung.
Explosions continued yesterday and today with an increasing trend. One today lasted 8 minutes and produced an ash plume several hundred meters high, which caused some panic among people near the crater.
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