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Volcanic activity world-wide 26 August 2012: Tungurahua, El Hierro, Popocatépetl, Batu Tara, Sakurajima, Iceland glacial floodSunday Aug 26, 2012 18:46 PM | BY: T
Tungurahua volcano's activity is relatively low. There are weak pulses of tremor associated with some small to medium explosions. Still, small pyroclastic flows continue to occur sporadically, the most recent one on 24 August at 15:33 on local time. IG has published an informative update and mentions that tilt meters still indicate significant inflation, and that deep tremor suggests new magma is rising. Therefore, the current low in activity might be only a temporary pause. Activity of Popocatépetl remains relatively low. About 1 weak steam explosion has been occurring per hour over the past day. Still, the volcano produces a large SO2 plume visible on yesterday's satellite image. The number of earthquakes at El Hierro remains elevated. Yesterday, 11 quakes, and today there have been 8 small events registered so far. Most of them are at about 10 km depth. Batu Tara (Sunda Islands, Indonesia) produced more ash clouds rising to 1.8 km altitude today (6,000 ft). Sakurajima volcano produced 3 relatively small explosions during the past 24 hours. Last not least, we forgot to mention a small glacier flood (jökulhlaup) from Vatnajökull glacier, which occurred 24-25 Aug. The flood was likely caused by hydrothermal activity in the Bárdarbunga volcano system, not by an eruption. Previous news |
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