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Volcanic activity world-wide 30 September 2012: El Hierro, Fuego, Popocatépetl, Santiaguito, Bagana, Karangetang, Sakurajima

Sunday Sep 30, 2012 14:47 PM | DOOR: T

Volcanically spoken, this has been a very calm Sunday so far with little changes to report.

El Hierro has been calming down over the past 2 days or so. There are still some quakes, but their number and magnitudes have been decreasing. It will be interesting to see whether new swarms occur in the near future.

Popocatépetl had 6 weak explosions during the 24 hour interval 28-29 Sep, and a steam plume is rising about 1.5 km above the crater.

Fuego volcano remains quite active with 16 explosions during 28-29 Sep, ash plumes of up to 900 m height and incandescent material reaching 200 m above the crater. Shock waves are felt in up to 15 km distance during the strongest bursts. Fine ash fall occurs in nearby areas.

Santiaguito has occasional ash explosions, such as one captured on the webcam yesterday morning. The block lava flows from the sides of the dome are either stagnating or only very weakly active judging from the latest INSIVUMEH reports.

An strong SO2 plume is visible at Bagana volcano (Bougainville Island, PNG) today, suggesting increased activity at the volcano.

A thermal anomaly at the summit of Karangetang volcano is visible on MODIS satellite images and a steam plume can be seen rising from the volcano. Otherwise, there are no current reports of eruptive activity.

Sakurajima volcano calmed down after having a record-number of explosions on 28 Sep, and only had a small and an intermediate explosion during the past days.

Recommended reading for both amusement (informed readers) or education (most journalists):
A Media Guide to Volcanoes
Vorig nieuws
Saturday, Sep 29, 2012
Fuego volcano has further increased its activity. In its latest report, INSIVUMEH counted 18 eruptions during 27-28 Sep, out of which 10 were moderately sized and produced ash plume up to 1 km height, and fountains of incandescent material of up to 200 m height, which generated avalanches on the upper crater flanks. ... [meer...]
Friday, Sep 28, 2012
Not much new volcano activity has occurred. Most volcanoes we regularly monitor have not shown significant changes. ... [meer...]
Thursday, Sep 27, 2012
A new explosion took place yesterday at Sumatra's Marapi volcano. Local media reported an ash cloud rising 1.5-2 km and that the eruption was the strongest so far in 2012. ... [meer...]
Wednesday, Sep 26, 2012
A stronger than average eruption occurred at Karymski volcano in Kamchatka last night at 20:41 GMT, producing an ash cloud reaching 22,000 ft (ca. 7 km) altitude. ... [meer...]
Tuesday, Sep 25, 2012
After a week of relatively low and infrequent explosions, Sakurajima volcano has stepped up its activity with 3 eruptions during the early hours of yesterday. The largest at 12:52 h local time produced an ash plume rising to 11,000 ft (3.4 km). ... [meer...]

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