Volcanic activity world-wide 30-31 October 2012 [1]

Source: VolcanoDiscovery.com [2] - By T, 10/31/12

Main seismic lineaments of the Tjörnes Fracture Zone

The seismic swarm in the Tjörnes Fracture Zone [3] 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 [4] in Costa Rica on Sunday 29 Oct.

Popocatépetl [5]'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 [6] 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 [7] on 30 Oct, where several lava lakes are quite active.

Sakurajima volcano [8] had 2 moderately strong explosions on 29 and 30 Oct with ash plumes reaching 3-3.4 km altitude.

Mammoth Mountain [9] in California experienced a deep seismic swarm during 29 Oct, accompanied by some measurable extension of the volcanic edifice.