Volcanic activity world-wide 30-31 October 2012: Tjörnes Fracture Zone, Poás, Popocatépetl, Fuego, Ambrym, Sakurajima, Mammoth Mountain
Wednesday Oct 31, 2012 18:57 PM | BY: T
The seismic swarm in the Tjörnes Fracture Zone north off Iceland continues into its 10th day and the frequency of quakes has even picked up again a bit. An warning for a possible larger earthquake remains in place.
3 small phreatic explosions occurred at Poas volcano in Costa Rica on Sunday 29 Oct.
Popocatépetl's activity remains fairly stable. The volcano continues to glow at night and produced 1-2 weak explosions per hour, sometimes with small ash plumes. A local news article mentioned light ash fall occurred in some nearby areas.
Fuego volcano continues with mild infrequent strombolian explosions and an active lava flow towards the Ash Canyon about 400 m long.
A strong SO2 plume can be seen from Ambrym volcano on Vanuatu on 30 Oct, where several lava lakes are quite active.
Sakurajima volcano had 2 moderately strong explosions on 29 and 30 Oct with ash plumes reaching 3-3.4 km altitude.
Mammoth Mountain in California experienced a deep seismic swarm during 29 Oct, accompanied by some measurable extension of the volcanic edifice.
Monday, Oct 29, 2012
The week starts with little significant volcano activity to report. Some updates include: ... [more]
Sunday, Oct 28, 2012
Friday, Oct 26, 2012
A modern witch hunt to find someone to blame for the 2009 Aquila (Italy) earthquake victims resulted in the highly disputable sentence of 7 scientists to 6 years in prison. The scientists were accused to have made false statements about the possibility of a large quake and misjudged the risk, and thus implicitly have caused the death of more than 300 people. ... [more]
Which are the world's most active volcanoes? ... [more]
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